Lennox 60L23 Pressure Switch 318172-701 30°F differential limit switch engineered

30°F differential limit switch engineered to prevent overheating by precisely monitoring temperature and initiating system shutdown when necessary

ensuring that each of the five burners remains correctly positioned relative to the carryover tubes and heat exchanger inlets

float-operated mechanical low water cut off designed for superior reliability in both hot water and steam boiler applications

Function: Non-Fan Cycle Controller

Common Questions Is the BLW0535 a direct replacement for my furnace model

Lennox 60L23 Pressure Switch 318172-701 30°F differential limit switch engineeredThe Lennox 60L23 Pressure Switch is a critical safety component designed for specific Lennox furnace and air handler applications. This differential pressure switch features a fixed setpoint of . 49" WC (water column), ensuring the inducer motor is moving sufficient combustion air before the ignition sequence begins. Engineered for durability in high cycle environments, this SPST (Single Pole Single Throw) switch utilizes a 1 4" barb connection for