If the switch remains open (infinite resistance) while cool

and O-rings to return the valve to factory-spec pressure and flow efficiency

and Day & Night equipment

not a line pressure regulator for high-pressure systems

the 0386423 is designed strictly for non-potable hydronic heating systems

Heil Quaker ICP 1070680 Cross Lighter Els PW 17895 If the switch remains openThe Heil Quaker ICP 1070680 Cross Lighter is a critical ignition component designed for specific gas furnace burner assemblies. Engineered for Inter City Products (ICP) systems, this cross lighter facilitates the reliable transfer of the flame across individual burner tubes, ensuring consistent ignition and preventing delayed ignition conditions. Built to withstand high combustion temperatures, this genuine OEM heating part maintains the structural