This unit is functionally identical to HKN-0505 and HKN-505

This millivolt gas valve sensor includes an integrated mica washer to provide superior insulation and prevent shorting under high-stress conditions

Maintenance Efficiency: A threaded bonnet design allows for quick inspection and internal cleaning without removing the entire valve body from the line

maintaining consistent system flow ratings

Quiet Operation: Factory-balancing of the 904681 blower assembly minimizes resonant vibration within the furnace cabinet

York 022-11704-000 Valve 321042-401 This unit is functionally identicalThe York 022 11704 000 is an OEM pressure relief valve engineered for critical overpressure protection in commercial HVAC and industrial refrigeration systems. This heavy duty safety device is designed with a 3 8" MPT inlet and a 1 2" outlet, factory set to trip at 400 PSIG. Built to withstand demanding chiller environments, the 022 11704 000 provides a reliable mechanical fail safe to protect compressors and heat exchangers from catastrophic pressure