York 022-08870-000 Relief Valve L99H008 If your compressor won't engage

If your compressor won't engage despite receiving 24V at the coil

Industrial Build: Utilizes flame-retardant ABS plastic for the enclosure

This board replaces legacy part number 624786 and is engineered for high-performance furnace control board replacement in residential applications

Simplified Installation: Standard 3/4" NPT threads allow for secure condensate drain line connections

A distinct pressure-balanced design utilizes synthetic rubber diaphragms to isolate the range spring from the process fluid

York 022-08870-000 Relief Valve L99H008 If your compressor won't engageThe York 022 08870 000 Relief Valve is a precision engineered OEM replacement part designed for high pressure air applications within commercial and industrial cooling systems. This 3 8 inch NPT relief valve is factory calibrated to a 330 PSI pressure setting, providing a critical safety boundary by discharging excess pressure to protect the structural integrity of your compressor or receiver tank. Constructed from high durability brass, the 022 08870