Common Service Questions Is an external controller required for this heater

ensuring dependable valve cycling even under significant differential pressures

It features a high-performance nickel-plated forged brass body coupled with a chrome-plated brass ball and a nickel-plated brass stem

this HVAC control relay supports stable system cycling and dependable equipment control

000 AFC internal pressure protection for maximum circuit safety

Field Controls 602602002 Pressure Switch Els PW 17895 Common Service Questions Is anThe Field Controls 602602002 Pressure Switch is a critical safety component designed for precise draft induction monitoring in HVAC systems. This SPST pressure switch is factory calibrated to a . 8" WC set point, ensuring the venting system maintains proper static pressure before allowing ignition. As the direct replacement for 46246100, this component is engineered to meet the exact specifications of legacy Field Controls units, providing a seamless