Honeywell L8148A1009?


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Old 05-12-24, 06:57 AM
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Honeywell L8148A1009?

Have an older oil-fired boiler that's been having some intermittent issues. Would like to replace the aquastat/relay. It's marked on the unit (paper tag) as L8148A1009. When I go to purchase, all I can find is L8148A1017. Can anyone tell me what the difference is between the "1009" and the "1017"? Will the "1017" work with my system or can I find a replacement for the currently installed "1009"?

Any information/advice is appreciated!
 
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Old 05-12-24, 09:34 AM
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Hi there -

I replaced my L8124A1122 years ago and had the same question (I think there is a post here from a few years ago about that).

I think this is the cross-reference (link below) I used. I replaced mine with the Honeywell L7224U1002 you will see on the cross reference. If you look you will see the L8148A1009 and also the L8148A1017 can be replaced with the L7224U1002. But if you don't want Honeywell there are probably other manufactures that would have a replacement. Not sure though.

The first L7224U1002 I had failed after a few years (can't remember why). Bought another and it's been fine.

I don't think anyone could really figure out what those last 4 digits mean. Maybe they are the rev number or rev date combo or something like that.

63-9661.pdf (resideo.com)


 
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Old 05-13-24, 05:39 AM
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The 1017 is a direct replacement for the 1009.
 
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Old 05-13-24, 06:18 AM
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Thanks for the feedack! Much appreciated!!
 
 

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