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Life expectancy of an Envirotron or Envi-ro-Temp water heater:
This article describes how to read the data tag and de-code its numbers to determine the age of an Envirotron water heater. We show typical water heater data tag model and serial number formats and note where in that information the year or week or month and year are encoded.
How to De-Code the Data Tag on an Envirotron or Envi-ro-Temp Water Heater - Age Determination
Envirotron - Envi-ro-Temp Water Heater Age Decoding Guide
Query: (Nov 7, 2011) Jackie said: I need warranty information also. Product #0726021 Serial #0214115365 model #GIF4034T3NV . It's an Envirotemp water heater. Need to know if it's still under warranty.
Reply: Year 2002, week 14
Envirotemp water heaters are produced by American Water Heaters - you can contact them at americanwaterheater.com to ask for a copy of the warranty for your unit. Your unit was made in the 14th week of 2002.
The year is encoded in the first two digits of the serial number.
Query: (Mar 29, 2013) Anonymous said: how old is an Envi-ro-temp water heater
Model#mhe2e30hs035v Serial # 9812126163 Product# 0820183 Thank you, Cheryl Satterwhite
The year of manufacture of your particular Enviro-Temp water heater is encoded in the first two digits or 1998. Details:
If we assume that your Envi-ro-temp water heater is an Envirotron product I can give this information from CDA's technical reference cited in our References section:
Envirotron went out of business around 1980 - which would your heater at least 33 years old. The current incarnation of the Envirotron name is a company that provides "green technology education and resources" and has their own website with that name.
There is also Solatherm-Envirotron, 1983
Solar Hot Water System for a Newspaper Building: Final Report
Solatherm Envirotron, 1981 [book about 151 pages)
This company published a number of solar water heater studies and documents.
Also see products manufactured under the name Atlascare Tel: 905-829-1296.
Is your water heater a solar unit?
In any event, because the year of manufacture was typically coded in the first two digits, from the serial number serial # 9812126163 I would bet your heater was made in year 98, month 12, or December 1998.
Use the CONTACT US link at page top or bottom to send me some photos of the heater and closeups of its labels and I can research further.
Reader Question: warranty period on an Envirotemp water heater
(Nov 7, 2011) Jackie said:
I need warrany information also. Product #0726021 Serial #0214115365 model #GIF4034T3NV . It's an envirotemp water heater. Need to know if it's stil under warranty.
Jackie, Your Envirotemp water heater is produced by American Water Heaters - you can contact them at americanwaterheater [dot] com to ask for a copy of the warranty for your unit. Your unit was made in the 14th week of 2002.
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Scott C. LeMarr has provided his file of keys to decode Water Heater Age from the data provided on the manufacturer's equipment labels. Mr. LeMarr is
a professional home inspector, Certified Professional Inspector/President,
MASTER Indoor Environmental Specialist (MIES).
Vice President of Wisconsin NACHI. He and his company, Honest Home Inspections, LLC. can be reached at
262-424-5587 or by email to email@example.com
Carson Dunlop, Associates, Toronto, have provided us with (and we recommend)
Carson Dunlop Weldon & Associates' Technical Reference Guide to manufacturer's model and serial number information for heating and cooling equipment ($69.00 U.S.). Technical Reference Guide, Carson Dunlop Weldon & Associates, Ltd., 120 Carlton St. Suite 407, Toronto, Ontario, M5A 4K2 Canada, ISBN 1-895585-90-2 165pp.
G.E. Water Heater warranties and other water heater information can be found online at geappliances.com
Lochnivar or some vendors of Lochnivar water heaters provide an online copy of its water heater warranty (01/26/2009)
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