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Difference between obsolete X1019R replaced by 90532 tankless coil Peerless WBV03

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MarineEngineer
MarineEngineer Member Posts: 2
edited August 2023 in Domestic Hot Water
I need to replace the tankless coil on my WBV03 water heater. The relief valve is popping periodically. I changed the relief valve and am still having the issue. My next guess is its the coil.

Currently installed is the x1019r type. I searched for replacements online and found one old coil, x1019R, for about $325 and the new coil, 90532, for $425. I'm trying to understand why I should pay about $100 more for the new coil. I know parts change all the time, sometimes the change is worth it due to correcting errors/flaws in the previous design. I can't find any information or service bulletins as to why x1019r was replaced with 90532. Does anyone here know why this coil changed? Thanks for your input.

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  • Robert O'Brien
    Robert O'Brien Member Posts: 3,541
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    They're generic, probably different suppliers.
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  • STEVEusaPA
    STEVEusaPA Member Posts: 6,505
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    You could be guessing wrong. How about the boiler supply valve? Flooded expansion tank, ruptured bladder tank?
    You said one coil is old (cheaper) and the other is new (more money). Maybe call them and ask them.

    There was an error rendering this rich post.

    ScottSecorHVACNUTSuperTechRobert O'Brien