Hydrotherm BM-3318 Pilot Tube 321702-401 it features durable silver-cadmium oxide

it features durable silver-cadmium oxide contacts to prevent pitting and sticking under high inductive loads

This robust Robertshaw control valve is built for durability in demanding environments where precise pilot flame monitoring is non-negotiable for system safety

Engineered to function as a Single Pole Single Throw (SPST) switch

contractors can restore the air-to-fuel ratio accuracy essential for modern high-efficiency heating applications without the risk of mismatched aftermarket tolerances

This delay-on-make functionality ensures the system remains in a safe state and will not initiate the 10-second countdown until a stable 24VAC signal is restored

Hydrotherm BM-3318 Pilot Tube 321702-401 it features durable silver-cadmium oxideThe 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