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or a clogged 1/4" vacuum port on the inducer housing
Robust flame sensing logic with 3 attempts before lockout ensures system reliability in variable conditions
This relief valve is rated for a maximum fluid temperature of 250°F (121°C)
Built for high-efficiency heating systems
York 022-03902-000 Check Valve Freon or a clogged 1/4" vacuumThe York 022 03902 000 Check Valve is a precision engineered 1 4" Flare Check Valve designed for high performance HVACR refrigeration systems. This heavy duty refrigerant backflow preventer features a robust brass body specifically rated for centrifugal liquid chillers and residential cooling units. By ensuring unidirectional flow, this component prevents compressor slugging and high pressure liquid migration during the off cycle, which is critical
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