York S1-373-27943-001 Kit 318973-401 eliminating the need for mounting

eliminating the need for mounting hole modification

this model is specifically rated for 480V AC

reducing labor time during gas regulator maintenance and ensuring the internal relief valve (IRV) or low-pressure cut-off (LPCO) mechanisms function within factory tolerances

Factory-set at 150 PSI

This unit is the manufacturer-specified replacement for part numbers HK05YZ002 and HK05YZ002WIP

York S1-373-27943-001 Kit 318973-401 eliminating the need for mountingEnsure precise combustion performance with the York S1 373 27943 001 Burner Alignment Bracket Kit. This essential OEM replacement part is engineered to maintain strict burner tube positioning relative to the heat exchanger inlets, preventing flame impingement and premature component fatigue. In high efficiency York residential gas furnaces, even a slight misalignment can disrupt the flame rectification signal or cause uneven heating across the primary