ASCO 304-392 Rebuild Kit 30067439-890 serving as the final stage

serving as the final stage in the purification process

Field technicians typically utilize this component within 4HK series electric heat kits and specific York furnace models to ensure HVAC high limit protection and system reliability

Precise Pressure Management: Factory-set at 125 PSI with a stainless steel spring for repeatable pop-action and blowdown

For field conversions

ASCO 304-392 Rebuild Kit 30067439-890 serving as the final stageThe ASCO 304 392 Rebuild Kit is a comprehensive solenoid valve repair kit designed to restore the peak performance of your HVACR systems. Specifically engineered for use with normally closed valves, such as the ASCO 8220G025 and 8220G027 AC series, this OEM quality package includes all necessary internal wear components to prevent system failure. By replacing critical parts like O rings, diaphragms, and the core tube assembly, you can effectively