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Efficient Maintenance: Direct replacement design simplifies the reassembly process during chiller tube cleaning or inspections
it is vital for reversing the flow of discharge gas from the compressor to either the indoor or outdoor coil
Compatible with boiler control modules requiring 15A electrical ratings for sequence interlocks
Key Benefits for Technicians: Proven Mechanical Interlock: High-sensitivity internal air pressure switch ensures the appliance only fires once combustion air flow is established
Operating on a 240V
Resideo AP4508 Pressure Switch 319847-401 Efficient Maintenance: Direct replacement designThe Resideo AP4508 Pressure Switch is an industrial grade differential air pressure switch designed for precision monitoring in HVAC and pneumatic systems. Engineered with a Single Pole Double Throw (SPDT) switch configuration, this component provides versatile control logic for high limit or proof of flow applications. It features a broad operating range from 0. 17" 0. 05" water column to 5" water column, allowing technicians to fine tune setpoints