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Hydrotherm gas boiler at InspectApedia.comHeating Boiler or Furnace Age Estimator

When there is no usable data tag or serial number

How to make a guess at heating boiler or furnace age when there is no obvious date or decodable serial number on the unit's data tag.

Page top photo: older HydroTherm boilers usually carry a data tag that includes a serial number but that number cannot be readily decoded to give the date or year of manufacture.

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Boiler or Furnace Age Determination from Surronding Contex & Clues

Older furnace subjected to flooding (C) Daniel FriedmanHere we list tips for making an intelligent guess at hvac equipment age when there is no direct age decoder available.

When there is no direct age decoder for a boiler based on its serial number we look at the surrounding and contextual clues including the items given below.

Hydrotherm HI-125 Series Boiler data tag (C) InspectApedia.com Soto

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On 2021-01-16 by anzaldi73

Hi do you know the age of my unit? Would you recommend we change it dont want to be stuck one winter. Thank you

[Click to enlarge any image]

Hydrotherm gas boiler data tag vs age (C) InspectApedia.com

On 2021-01-16 - by (mod) -

That looks like a Hydrotherm gas boiler data tag.

By calling-in the serial number the company can often give you the date: USA 413 564 5515 or Canada: 905 672 2991

 


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BOILER / FURNACE AGE GUESSER at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.


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Comments

Augie · Oct 6, 2024

Can anyone tell me how old this boiler is?

InspectApedia Publisher (mod) · Oct 7, 2024

@Augie,

As you may have read on this page, Hydrotherm, which is the brand of your heating boiler, does not make it easy to decode the age from the serial number. You'll see in the article that the options are to contact the manufacturer or sometimes to look at some of the surrounding clues such as the manufacturer's address on the data tag because that changed from time to time, or the number of THE ANSI standards to which the boiler complies as those can often be dated.

Complete details about what we know about Hydrotherm boilers are at

inspectapedia.com/heat/Hydrotherm-Age-Manuals-Contact.php

And of course we often can make a reasonable guess at boiler age by looking at contextual clues such as the building age and history and evidence of prior heating equipment.

Bottom line, no we can't give an exact year but we can and have listed a number of clues that can get us a pretty close guess at the age of your boiler.

 

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