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Soft-blob field with ribbon-tape seals — cool ice-lab sheet for description and returns.
What thermopile should I use with this valve
the 42-100491-09 is the manufacturer-designated superceded part number
the valve features a 31
Improved Flame Sensing: Enhanced metallurgy in the sensing probe reduces resistance issues that cause intermittent pilot outages
Engineered for longevity in challenging environments
Lochinvar & A.O. Smith 100135269 Burner 320788-704 What thermopile should I useThe Lochinvar & A. O. Smith 100135269 Burner is a precision engineered 100% OEM replacement for high efficiency condensing boilers, specifically designed for WH285 and WH399 models. As a critical component in the combustion assembly, this burner ensures an optimal air to fuel ratio, supporting the high turndown ratios found in the Lochinvar Knight and A. O. Smith boiler series. Built to industrial grade standards, the assembly is compatible with both
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