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Each kit includes two porcelain wire nuts to simplify the splicing process for field service technicians
38" WC rating is standard
This kit bypasses the need for full coil replacements by providing the professional-grade materials required to seal punctures and fix corrosion-related failures in York HVAC systems
Precision Thermal Safety: Fixed 150°F open and 120°F close (L150-30) ratings provide furnace high-limit protection
making it a reliable choice for HVAC pressure switch replacement in commercial and industrial combustion air systems
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.