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providing the precise amperage draw required for modern integrated furnace controls to detect successful ignition and maintain safe operation
When these pool heater limit switches fail
Always verify the valve body and power assembly ratings before swapping cages for different refrigerants
9% pure wrot copper (UNS C12200) for excellent corrosion resistance
Lochinvar & A.O. Smith 100166256 Pressure Switch Els PW 17895 providing the precise amperage drawThe Lochinvar & A. O. Smith 100166256 Pressure Switch is a critical safety and operational component designed for high performance hydronic systems and commercial water heaters. This SPDT Pressure Switch (Single Pole Double Throw) functions as a direct OEM replacement part for the now obsolete PRS3406, PRS2406, and 100166157 models. Engineered with a precision 1 4" barb connection, it monitors system pressure within a 1 5 PSI range, ensuring the
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