Pay in 4 interest-free payments of $28.42 Learn more
Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
Rated for 300 psi (21 bar) at 250°F
Key Benefits for Technicians: Proven Mechanical Interlock: High-sensitivity internal air pressure switch ensures the appliance only fires once combustion air flow is established
9-inch bolt spacing on the back of the frame
Efficient Maintenance: Direct replacement design simplifies the reassembly process during chiller tube cleaning or inspections
Rotating the adjustment screw allows you to advance or retard the output signal by ±10 psig depending on the specific sequencing needs of your control loop
Resideo AP4508 Pressure Switch 319847-401 Rated for 300 psi (21The Resideo AP4508 Pressure Switch is an industrial grade differential air pressure switch designed for precision monitoring in HVAC and pneumatic systems. Engineered with a Single Pole Double Throw (SPDT) switch configuration, this component provides versatile control logic for high limit or proof of flow applications. It features a broad operating range from 0. 17" 0. 05" water column to 5" water column, allowing technicians to fine tune setpoints
US$ 49.95
US$ 49.95
US$ 49.95
US$ 49.95
US$ 49.95
US$ 49.95
US$ 49.95
US$ 49.95
US$ 49.95
US$ 64.95
US$ 49.95