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Life expectancy of a Hoyt water heater: this article describes how to read the data tag and de-code its numbers to determine the age of a Hoyt 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 a Hoyt Water Heater - Age Determination
Hi Test Hoyt Water Heater Age De-Coding Tips
Query: (Nov 5, 2012) Alexandra said: I am trying to find the age of my Hi Test Hoyt water heater. The Serial is SN A87RNH1373190, model A40HM
Reply: best guess 1987
Most likely the year is following that "A" and denotes 1987.
The Hoyt Water Heater company "... have been engaged in the business of manufacturing, selling, repairing and servicing water heaters in Los Angeles since 1911 under the trade name of Hoyt Heater Company and Hoyt Automatic Water Heater Company." - Hoyt Heater Co. v. Hoyt
68 Cal. App. 2d 523
Hoyt was subsequently purchased by American Water Heaters or the American Water Heater Group.
From Carson Dunlop Associates Technical Reference Guide, the most complete HVAC and water heater age decoding guide available, the first two digits of the serial give the year and the second the week of manufacture.
Adding to what my mom calls "a lot of 'who struck john'" confusion,
A.O. Smith owns GSW
which in turn owns American Water Heater Company (AWHC)
which in turn owns Polaris.
American Water Heater Group, 500 Princeton Rd., Johnson City TN 37601 Tel: 800-999-9591
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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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