Lennox 27W13 Pressure Switch Els PW 17895 or 240V to a reliable

or 240V to a reliable 24V secondary output

The Berko 5813-2027-000 is a double-pole unit

When troubleshooting a furnace that is short-cycling or failing to initiate the burners

Always verify the voltage and fitting sizes before installation

ensuring the inducer motor maintains optimal static pressure before allowing the ignition sequence to proceed

Lennox 27W13 Pressure Switch Els PW 17895 or 240V to a reliableThe Lennox 27W13 High Pressure Switch (OEM Part #100087 08) is a critical safety component engineered for precise refrigerant pressure monitoring in high performance HVAC systems. This SPST normally closed (N. C.) switch is designed to protect the compressor and refrigeration circuit by interrupting operation when head pressure reaches 550 PSIG. To maintain system uptime without manual intervention, it features an auto reset function that re engages