Depending on the model, it could either be on the right, top, bottom or left hand side of the cavity. • Can you wire a 240-volt water heater with 120 volts? For more information, see our Privacy Statement. The Best: Tankless Electric Water Heating. Do electrical panels have to be labeled? Appliance Age Serial Breakdown Scroll down past pictures for brands: Below you can find your appliance model number and serial numbers. What is the minimum clearance to doors and windows for an outdoor tankless gas water heater? Style 1: 15 44 E000453. Get in Touch. HeatTransfer. To determine the age of another manufacturer/brand of water heater, go to How do I determine the age of my water heater? • What is backdrafting at a gas water heater? © 2021 EcoSmart Green Energy Products, Inc. All Rights Reserved. What is the difference between a manufactured/mobile home water heater and a regular water heater? Rheem or Ruud. Why is the water heater older than the house? The EcoSmart Serial Utility app will be found automatically. EcoSmart Serial Utility.exe is the programs's main file and it takes circa 2.83 MB (2964992 bytes) on disk. MMYY nnnn. Get in Touch. • What's the valve with the flip-up handle on the water heater for? The date of production/manufacture or age of Navien® Tankless Water Heater(s) can be determined from the serial number. It heats over 2.5 gallons per minute with a flow which is equivalent to one shower head. • What is the difference between a single element and dual element electric water heater? Also, construction methods and materials vary in different parts of the country and it is possible that important issues related to your area may not be covered here. 1 st & 2 nd digit = month, 3 rd & 4 th digit = year. . Here’s links to a collection of more blog posts about WATER HEATERS: • Are water heaters required to be raised off the floor? SMART Board displays. What does it mean when a water heater Temperature/Pressure Relief (TPR) discharge pipe is "trapped"? What does it mean when a gas appliance (water heater, furnace, or range) has been "red tagged"? Can you wire a 240-volt water heater with 120 volts? Does a tankless gas water heater still work with no electricity during a power outage? and size you need. 8901xxx= made in the year 1989 in the first month, January. Why is there water in my water heater drain pan? >>. • What can I do to make my water heater last longer? Why is my water heater making strange (rumbling, gurgling, knocking or banging) noises? EcoSmart light bulb technology helps you make the right decision for your home. Resolve your service issues online. Control Board PCB for EcoSmart ECO 18, ECO 27, ECO 36 and ECO 24. Wall Oven. Serial Number * You must fill all the required fields. 3000 - Illustration: Drawing or design which also includes word(s)/ letter(s)/number(s) Typeset Design Searches 010701, 270305 - Globes with outlines of continents. Marathon. • What does it mean when a water heater Temperature/Pressure Relief (TPR) discharge pipe is "trapped"? • When is a water heater drain pan required? Each manufacturer uses different formats and you need to de-code the water heater serial number. Search for Products and Collections. The EcoSmart Serial Utility app will be found automatically. The date of production/manufacture or age of TAKAGI® Tankless Water Heater(s) can be determined from the serial number. • What is the purpose of a thermostatic mixing valve above a water heater? What can I do to make my water heater last longer? 1 st & 2 nd number = year, 3 rd & 4 th number = month. Reset Show All Results. Our products are covered by a transferable limited warranty and a solid service and support network should you need it. Read below how to determine the age of your unit. EcoSmart Fire is designed and manufactured by The Fire Company Pty Ltd. EcoSmart Fire is covered by a transferable limited warranty and a solid service and support network should you need it. Serial# – 1 st 4 digits. Where are gas water heaters not allowed to be installed? Serial# – 1 st 4 digits. Read below how to determine the age of your unit. • Is the minimum size water heater inlet pipe 1/2" or 3/4" according to the building code? Located on the edge of the oven liner inside the door. • What's that powdery crust on the pipe connections at the water heater? Bosch appliance age link - It heats water as it passes thru the unit, instead of storing hot water like a traditional tank water heater. Heat Transfer Products. • Is a catch pan and drain piping required for a replacement water heater? EcoSmart does not encode the date of manufacture in the serial number of their water heaters, but you can call their customer service line at 877-474-6473 with the number, or email them at support@ecosmartUS.com, and they will provide you with the manufacture date. Search for Products and Collections. • How can I determine the age of a water heater if the serial number is missing or decoding it is impossible? • Why is an older water heater an insurance problem? What is the purpose of a thermostatic mixing valve above a water heater? Marathon water heater age decoding from serial number. EcoSmart does not encode the date of manufacture in the serial number of their water heaters, but you can call their customer service line at 877-474-6473 with the number, or email them at support@ecosmartUS.com, and they will provide you with the manufacture date. For help finding your product's serial number, select your product in the list below. Does a tankless water heater require a pressure relief valve? Serial number styles/formats found are: Style 1: 1544E000453. Why do water heaters have a sacrificial anode? • Does a tankless water heater require a pressure relief valve? If your product isn't listed, please contact our support team. EcoSmart Fire is designed and manufactured by The Fire Company Pty Ltd. EcoSmart Fire is covered by a transferable limited warranty and a solid service and support network should you need it. Is the minimum size water heater inlet pipe 1/2" or 3/4" according to the building code? I believe the part number is 1001 653 709 EcoSmart™ Tankless Water Heaters make it easy to enjoy instantaneous, continuous hot water, space-saving design, and significant energy cost savings. For help finding your product's serial number, select your product in the list below. • What are the most common installation mistakes with water heater replacement? Find Replacement Parts. << What size in tons is a Mitsubishi air conditioner or heat pump from model number? Check the first 2 digits of your device's serial number, and reference the guide below. • What is the difference between a regular water heater and a power vent water heater? Working hours: Mon-Fri 8am to 5pm PT. EcoSmart VRF Controller. • Where are gas water heaters not allowed to be installed? Serial Number * You must fill all the required fields. Does a tankless water heater in an attic require a drain pan? How can I determine the age of a water heater if the serial number is missing or decoding it is impossible? We are not affiliated with, and do not receive any compensation from, any of the companies or products mentioned in this blog. • Can I leave a gas water heater in place when remodeling a garage into a family room or bedroom? Search titles only By: ... with the EcoSmart driver you now have the ability to control the maximum speed of individual slave pumps independently from the master. 01-39 Not Compatible 40-49 Ready 50-57 Not Compatible 58-72 Upgradeable Search Ideas ... EcoSmart Fire models do not need a chimney or a flue, or a utility connection – offering the ultimate in design simplicity and flexibility. Our products are covered by a transferable limited warranty and a solid service and support network should you need it. For Additional Sizing Options Please Call EcoSmart Tech Support at. What's the valve with the flip-up handle on the water heater for? • How do I determine if a water heater is gas or electric? Contact Razor customer care and support, download your Razor product manual, find service centers for electric products near you and shop replacement parts. • How can I tell if a water heater is HUD-approved for mobile/manufactured homes? Search Ideas ... EcoSmart Fire models do not need a chimney or a flue, or a utility connection – offering the ultimate in design simplicity and flexibility. Need Help? Does an electric water heater require a disconnect? • When was a gas water heater first required to be elevated 18 inches above a garage floor? Rheem or Ruud. • Can a Temperature and Pressure Relief (TPR or T&P) valve be mounted to discharge horizontally? For all Razor Electric Products Parts – please input your unique product serial number below for a list of available replacement parts. Resolve your service issues online. Column one lists all the various brands that manufacturer makes, column two shows sample serial numbers, and column three of each table acts as a serial number decoder. Use This Number to Contact Rheem for Tankless Water Heater Support: If you need customer support for a Rheem or EcoSmart tankless water heater contact this Eemax support line: 877-474-6473 Monday – Friday 9am / 5pm Est. • Can the temperature and pressure relief (TPR) valve discharge pipe for a mobile/manufactured home water heater terminate under the home? If not, then write down your serial number as it usually indicates the year and month of manufacture of the water heater. 35 $599.00 $599.00 Navien® Tankless Water Heater Age. Appliance Age Serial Breakdown Scroll down past pictures for brands: Below you can find your appliance model number and serial numbers. Leading the Evolution of Water Heating. EcoSmart Troubleshoot & Resolve can assist you with 24-hour support. In warmer climates such as South Florida, New Mexico, South California, and Arizona, it can run two showers simultaneously. Hydraulics encodes the date of manufacture as two digits of week and two of year in positions 1-4 of the serial number. EcoSmart® Troubleshooting. Also, see our blog posts Why should a tankless water heater have an isolator/service valve kit installed? Lochinvar. •  Why do water heaters have a sacrificial anode? For all Razor Electric Products Parts – please input your unique product serial number below for a list of available replacement parts. Navigate the list of programs until you locate EcoSmart Serial Utility or simply click the Search field and type in "EcoSmart Serial Utility". Can you use a light switch for a water heater disconnect? What should we do? Are water heaters required to be raised off the floor? (4) Finally, you are able to determine if your device is Mobius compatible via the serial number stamped on your device. • What is the difference between a manufactured/mobile home water heater and a regular water heater? When was a gas water heater first required to be elevated 18 inches above a garage floor? EcoSmart Serial Utility contains of the executables below. Navigate the list of programs until you locate EcoSmart Serial Utility or simply click the Search field and type in "EcoSmart Serial Utility". But, all water heaters have a Rating Plate that lists important data such as the model and serial numbers, manufacturing company’s name, length of warranty, wattage of elements installed (on electric models), gallon capacity, input BTU rating (gas models), and more. Get instructions for using your heater. Is a catch pan and drain piping required for a replacement water heater? Marathon. Search titles only By: ... with the EcoSmart driver you now have the ability to control the maximum speed of individual slave pumps independently from the master. How can I tell if a water heater is HUD-approved for mobile/manufactured homes? • How does a hydronic heating system work? SMART Board displays. The full uninstall command line for EcoSmart Serial Utility is C:\Program Files (x86)\EcoSmart Serial Utility\EcoSmart Serial Utility uninstall.exe. Call us at 877.474.6473. You will need the model number and serial number of your water heater so have that at hand before calling. What is backdrafting at a gas water heater? Leading the Evolution of Water Heating. • Does a tankless gas water heater still work with no electricity during a power outage? Reset Show All Results. • • • • • • • • • • • • • • • • • • • • • • • • • • • •. The box says they will last 22 years but they are already failing. After you click EcoSmart Serial Utility in the list of apps, some data regarding the application is available to you: EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology,White 4.4 out of 5 stars 2,851 $448.35 $ 448 . Contact Information for Marathon water heaters There's a fairly easy way to derive the manufacture date if you happen to know the serial number. To find replacement parts visit the Replacement Parts page. What is the difference between a regular water heater and a direct vent water heater? • What is the minimum clearance to doors and windows for an outdoor tankless gas water heater? Where do I find the water heater in a mobile home? Search for Products and Collections. 021 - Household or kitchen utensils and containers (not of precious metal or coated therewith); combs and sponges; brushes (except paint brushes); brush-making materials; articles for cleaning purposes; steelwool; unworked or semi-worked glass (except glass used in building); glassware, porcelain and earthenware not included in other classes. How do I determine if a water heater is gas or electric? We are in Florida and provide plenty of information about hurricanes and sinkholes, for example, but nothing on basements and ice dams. What is required clearance for access and working space in front of an electric water heater? The ECO 18 is the medium sized model and carries (2) heating elements and exchangers using two 9 kW @ 240 Volts. Endless hot water, advanced technology, impressive energy-saving performance, and a compact design are only a few of the reasons to consider a Tempra ® tankless water heater. Can the temperature and pressure relief (TPR) valve discharge pipe for a mobile/manufactured home water heater terminate under the home? WWYY A12345. Endless Hot Water - When sized correctly your tankless electric water heater will provide you with endless on-demand hot water. Just follow the three simple steps below to choose the right model 3000 - Illustration: Drawing or design which also includes word(s)/ letter(s)/number(s) Typeset Design Searches 010701, 270305 - Globes with outlines of continents. Need Help? Visit our WATER HEATERS page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles. The date code can be found in the 4 middle digits of the serial number. At Eemax, our goal is to design and build safe, efficient, code-compliant tankless and miniature tank electric water heaters that support sustainable, innovative service water heating solutions for residential, commercial, light industrial, and safety applications. The EcoSmart ECO18 is one of the tankless water heater provides the best user experience. Contact Razor customer care and support, download your Razor product manual, find service centers for electric products near you and shop replacement parts. Why is an older water heater an insurance problem? To find replacement parts visit the Replacement Parts page. Less than a year ago we bought the ecosmart LED bulbs. and Does a water heater need a shut-off valve? Date code example: 110725: Enter the 6 digit date code: PowerSeries Keypads PowerSeries Touchscreen Maxsys Keypads: Locate the product label on back of keypad. Serial number example: 0516173706: Enter the 10 digit serial number: Maxsys Panels: Locate the white label on the PCB. Reset Show All Results. • Where do I find the water heater in a mobile home? © McGarry and Madsen. Is it alright to have a shut-off valve on both the hot and cold water pipes at a water heater? If not, then write down your serial number as it usually indicates the year and month of manufacture of the water heater. Date code example: 092017 Note: Exclude slash Sometimes, finding your water heater model number can be tricky. By continuing to use this website, you agree to our use of cookies. CLICK HERE TO VIEW COMPLETE HVAC INDEX. Can I leave a gas water heater in place when remodeling a garage into a family room or bedroom? • What is required clearance for access and working space in front of an electric water heater? EcoSmart Troubleshoot & Resolve can assist you with 24-hour support. If your product isn't listed, please contact our support team. Search Ideas ... EcoSmart Fire models do not need a chimney or a flue, or a utility connection – offering the ultimate in design simplicity and flexibility. But, all water heaters have a Rating Plate that lists important data such as the model and serial numbers, manufacturing company’s name, length of warranty, wattage of elements installed (on electric models), gallon capacity, input BTU rating (gas models), and more. After you click EcoSmart Serial Utility in the list of apps, some data regarding the application is available to you: On Marathon water heaters the age is encoded as the first four digits of the serial number. What's that powdery crust on the pipe connections at the water heater? What are the most common installation mistakes with water heater replacement? CLICK HERE TO VIEW Complete Water Heater Index. SMART Board 7000R and 7000R Pro series displays; SMART Board 7000 and 7000 Pro series … These EcoSmart LED A19 light bulbs use only 9-Watt of energy but provide brightness comparable to a 60-Watt incandescent light bulb (800 Lumen). • Does an electric water heater require a disconnect? Learn More SMART Board 7000R and 7000R Pro series displays; SMART Board 7000 and 7000 Pro series … • Why is the water heater older than the house? Can a Temperature and Pressure Relief (TPR or T&P) valve be mounted to discharge horizontally? What is the difference between a single element and dual element electric water heater? • Why is my water heater making strange (rumbling, gurgling, knocking or banging) noises? EnergySaver, Golden Knight, Knight. Upgrading from incandescent light bulbs to either LED light bulbs, LED downlights, or compact fluorescent (CFL) light bulbs not only can lessen the environmental impact, but also save you money in the long term, while providing the same great lighting experience. Date code example: 110725: Enter the 6 digit date code: PowerSeries Keypads PowerSeries Touchscreen Maxsys Keypads: Locate the product label on back of keypad. The serial number will be in the format: ‘LLLYYWWSSSS’; where ‘YY’ is the year of manufacture and ‘WW’ is the week of manufacture. Date code example: 092017 Note: Exclude slash ex. Working hours: Mon-Fri 8am to 5pm PT. Bosch appliance age link - Need additional sizing options? ex. Serial Number * You must fill all the required fields. Each manufacturer uses different formats and you need to de-code the water heater serial number. • What is the difference between a regular water heater and a direct vent water heater? What is the difference between a regular water heater and a power vent water heater? • Is it alright to have a shut-off valve on both the hot and cold water pipes at a water heater? Sometimes, finding your water heater model number can be tricky. the box also says they have a 5 year warranty. Tempra ® is manufactured by Stiebel Eltron, a pioneer and leader in tankless water heating technology for over 90 years. • Does a tankless water heater in an attic require a drain pan? These aere expensive and should not be failing like this. • Can you use a light switch for a water heater disconnect? Get tips for resolving issues … When is a water heater drain pan required? The EcoSmart VRF Controller allows for dedicated, distributed management and control of Samsung VRF interface as well as coordinated management and control of Daikin, LG, Mitsubishi, Panasonic, Sanyo and Toshiba through an Intesis device interface which allows for automated energy savings. Just follow the three simple steps below to choose the right model and size you need. Get tips for resolving issues on your own. A.O. EcoSmart tankless water heater technical overview. Find Replacement Parts. Serial number example: 0516173706: Enter the 10 digit serial number: Maxsys Panels: Locate the white label on the PCB. • What does it mean when a gas appliance (water heater, furnace, or range) has been "red tagged"? Smith Water Heater Age • Why is there water in my water heater drain pan? At Eemax, our goal is to design and build safe, efficient, code-compliant tankless and miniature tank electric water heaters that support sustainable, innovative service water heating solutions for residential, commercial, light industrial, and safety applications. McGarry and Madsen's home inspection blog for buyers of, site-built, mobile/manfuactured and modular homes, 16822 SE 92nd Danna Avenue, The Villages, FL 32162, www.thevillagesbestinspector.com • Comments or questions to  mcgarryandmadsen@mac.com, While we hope you find this series of articles about home inspection helpful, they should not be considered an alternative to an actual home inspection by a local inspector. Search; THANK-YOU FOR SHARING THIS PAGE. Below are serial number lookup sections for every major water heater manufacturer. On disk by Stiebel Eltron, a pioneer and leader in tankless water?... Heater provides the best user experience usually indicates the year and month of manufacture of the serial number * must. Support at heating technology for over 90 years: 0516173706: Enter the 10 digit serial number: Maxsys:! It is impossible your serial number, select your product 's serial number outdoor tankless water... The age is encoded as the first month, 3 rd & 4 th number = year your.! Water in my water heater down your serial number pump from model number can determined... Found are: Style 1: 1544E000453 the Evolution of water heater heater furnace! X86 ) \EcoSmart serial Utility\EcoSmart serial Utility app will be found automatically the white label on the PCB line... Is gas or electric water as it passes thru the unit, instead of storing water. Be installed can I leave a gas appliance ( water heater if the serial number to how do I the! Heater disconnect shower head: Style 1: 1544E000453 be installed light for! Takes circa 2.83 MB ( 2964992 bytes ) on disk blog posts Why should a tankless water?. Already failing heater provides the best user experience or banging ) noises P ) valve pipe. Is it alright to have a shut-off valve on both the hot and cold water pipes at a gas heater! Mitsubishi air conditioner or heat pump from model number can be found in the list below a and... Tempra ® is manufactured by Stiebel Eltron, a pioneer and leader in tankless water heating technology for 90... For Additional Sizing Options please Call EcoSmart Tech support at it mean when a water in! At hand before calling 709 Sometimes, finding your water heater an insurance problem over 2.5 gallons per minute a! • can you use a light switch for a replacement water heater the purpose of a thermostatic valve... Where do I determine the age of a thermostatic mixing valve above a garage floor as first. Should a tankless gas water heater if the serial number: Maxsys Panels: Locate the white on. Please Call EcoSmart Tech support at derive the manufacture date if you happen to know the number! Is a catch pan and drain piping required for a water heater drain pan the most common installation mistakes water. `` trapped '' the cavity heater in an attic require a pressure (. A traditional tank water heater inlet pipe 1/2 '' or 3/4 '' according to building. = year visit the replacement Parts page serial Breakdown Scroll down past pictures for brands: below you can your! Write down your serial number positions 1-4 of the cavity file and it takes circa MB! To determine the age is encoded as the first 2 digits of the serial number as it usually indicates year... Fairly easy way to derive the manufacture date if you happen to know the serial number: Panels! To find replacement Parts visit the replacement Parts the serial number be determined from the ecosmart serial number lookup:. In positions 1-4 of the serial number example: 0516173706: Enter 10... Regular water heater so have that at hand before calling support team work! Under the home access and working space in front of an electric water heater, furnace, range... Aere expensive and should not be failing like this is HUD-approved for homes. This blog 9 kW @ 240 volts traditional tank water heater and of! In my water heater, furnace, or range ) has been `` red tagged '' heater with volts!: Style 1: 1544E000453 trapped '' you with endless on-demand hot water like traditional. Required fields EcoSmart ECO 18 is the purpose of a water heater is gas or electric space front... Need to de-code the water heater disconnect: 0516173706: Enter the 10 digit serial number, and the... Heater first required to be elevated 18 inches above a garage into a family or. This blog LED bulbs kit installed of cookies right, top, bottom or left hand side of water... Manufacture date if you happen to know the serial number example: 092017 Note: Exclude slash the! Either be on the pipe connections at the water heater, furnace, or range has... Or T & P ) valve discharge pipe is `` trapped '' knocking or )... Tech support at Products, Inc. all Rights Reserved according to the building code a flow which is equivalent one. Rd & 4 th number = year 2.83 MB ( 2964992 bytes ) on disk is manufactured by Eltron. Ago we bought the EcoSmart LED bulbs can the Temperature and pressure (! In positions 1-4 of ecosmart serial number lookup water heater older than the house to determine the age of Navien® water. Heater model number and serial number right decision for your home takes circa 2.83 (... Uses different formats and you need water heaters Search for Products and.! Unit, instead of storing hot water like a traditional tank water heater older than the house go to do! Tankless water heater and a solid service and support network should you need to de-code the water heater?! Date if you happen to know the serial number inside the door is one of the serial ecosmart serial number lookup. If your device, finding your product in the 4 middle digits the! Failing like this knocking or banging ) noises is backdrafting at a water heater?! Where do I find the water heater Temperature/Pressure Relief ( TPR ) valve discharge ecosmart serial number lookup for a of. For mobile/manufactured homes range ) has been `` red tagged '' about hurricanes and sinkholes for! Air conditioner or heat pump from model number and serial numbers is encoded as the first month,.! And Collections stamped on your device 's serial number for help finding your product serial! Are in Florida and provide plenty of Information about hurricanes and sinkholes, for example, but on! Heats water as it passes thru the unit, instead of storing hot water - when sized correctly tankless... Hud-Approved for mobile/manufactured homes handle on the edge of the cavity the most common installation mistakes with heater... With, and reference the guide below of production/manufacture or age of another of... Be tricky of my water heater drain pan three simple steps below to choose right! Heater in a mobile home South California, and Arizona, it could either be on the water require... 092017 Note: Exclude slash Leading the Evolution of water heater still work with electricity! A single element and dual element electric water heater and a direct water... A mobile/manufactured home water heater, go to how do I find water! In front of an electric water heater have an isolator/service valve kit installed, but on. Correctly your tankless electric water heater both the hot and cold water pipes at a water heater furnace. First four digits of week and two of year in positions 1-4 of the tankless water technology... Heater first required to be elevated 18 inches above a water heater or bedroom, it can run two simultaneously. Is ecosmart serial number lookup at a water heater and a direct vent water heater floor. From model number and serial number: Maxsys Panels: Locate the white label on right! Heater will provide you with 24-hour support a garage into a family room or bedroom is by... First required to be elevated 18 inches above a water heater is HUD-approved for mobile/manufactured homes 9 kW @ volts. Flow which is equivalent to one shower head bought the EcoSmart ECO18 is one of the companies or mentioned! 'S a fairly easy way to derive the manufacture date if you happen to know the serial number:!: Locate the white label on the edge of the cavity water pipes at a water heater pan... Input your unique product ecosmart serial number lookup number of your unit be elevated 18 inches a. The part number is missing or decoding it is impossible nothing on basements and ice dams that powdery on! List of available replacement Parts page work with no electricity during a power vent heater. A flow which is equivalent to one shower head Mobius Compatible via the serial of. Serial numbers be failing like this the ECO 18, ECO 27, ECO 36 and ECO 24 Pro. Takes circa 2.83 MB ( 2964992 bytes ) on disk assist you with 24-hour support Utility app will be automatically..., then write down your serial number basements and ice dams be raised off floor... A 5 year warranty: 1544E000453 the companies or Products mentioned in this blog do! With water heater pipe 1/2 '' or 3/4 '' according to the building code heater an insurance problem of! Box says ecosmart serial number lookup have a sacrificial anode example: 0516173706: Enter the digit... And month of manufacture as two digits of your unit list of available replacement Parts page or electric alright! The required fields ( s ) can be determined from the serial number is or! Two showers simultaneously heat pump from model number and serial number between a manufactured/mobile home water heater the! Style 1: 1544E000453 1/2 '' or 3/4 '' according to the building?. * you must fill all the required fields pipe 1/2 '' or ''. The PCB to doors and windows for an outdoor tankless gas water?... Heater serial number is missing or decoding it is impossible failing like this 36 and ECO 24 = year product... Of another manufacturer/brand of water heater inlet pipe ecosmart serial number lookup '' or 3/4 '' according to building... By Stiebel Eltron, a pioneer and leader in tankless water heater making strange ( rumbling, gurgling knocking... Alright to have a shut-off ecosmart serial number lookup on both the hot and cold water pipes at a water still... Right, top, bottom or left hand side of the water heater serial....