Lennox 34M77 Pressure Switch Els PW 17895 Each kit includes two porcelain

Each kit includes two porcelain wire nuts to simplify the splicing process for field service technicians

making it a reliable choice for HVAC pressure switch replacement in commercial and industrial combustion air systems

the V-9999-6002 is verified for use with both V-3802 and V-4000 series oval top pneumatic actuators

Key Benefits Enhanced Wiring Access: The unique 3-piece design allows for easier mounting and provides more room to work compared to standard compact boxes

Common Questions What are the signs of a failing DP2020B5039 contactor

Lennox 34M77 Pressure Switch Els PW 17895 Each kit includes two porcelainEnsure reliable sequence of operation with the Lennox 34M77 Pressure Switch, a critical safety component designed for heating and cooling systems. This OEM Lennox furnace pressure switch is engineered to monitor draft pressure and confirm proper inducer motor performance before allowing the ignition process to begin. Featuring a precise 1. 00"wc SPST (Single Pole Single Throw) configuration, this switch actuates at 1. 00" W. C. and resets at 1. 15" W.