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Engineered to function as a Single Pole Single Throw (SPST) switch
and automatically stops at its end positions
contractors can restore the air-to-fuel ratio accuracy essential for modern high-efficiency heating applications without the risk of mismatched aftermarket tolerances
This robust Robertshaw control valve is built for durability in demanding environments where precise pilot flame monitoring is non-negotiable for system safety
Hydrotherm BM-3318 Pilot Tube 321702-401 Engineered to function as aThe Hydrotherm BM 3318 Pilot Tube is a mission critical OEM replacement part designed for standing pilot assemblies in high efficiency Hydrotherm boilers and commercial heating units. Constructed from heavy duty brass or stainless steel, this 12 inch gas pilot line ensures a steady, regulated fuel flow to the pilot burner, maintaining the precise pilot flame signal required for reliable main burner ignition. Engineered to withstand high pressure