ensure the 1" NPT vent is properly piped to a safe atmosphere to maintain the integrity of the overpressure protection system

Constructed with a rugged brass body and high-integrity copper connections

Broad Compatibility: Approved for use with a wide range of refrigerants including R32

While structurally similar

034-inch burner orifices and the S145 low gas inlet pressure switch to ensure proper manifold pressure and safety lockout thresholds are maintained

Resideo VR8305M2102/B Gas Valve 319847-401 ensure the 1" NPT ventThe Resideo VR8305M2102 B is a high capacity, 3 4 inch redundant combination gas valve engineered for intermittent pilot ignition systems in residential and light commercial HVAC applications. This dual seat valve manages natural gas flow with precision, responding to 24V thermostat demands to provide stable burner operation for gas furnaces and boilers. Designed with a dual safety shutoff mechanism, the unit provides internal redundancy to prevent