Lennox 60L23 Pressure Switch 318172-701 Common Questions Is the BLW0535

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

fails to start despite receiving a 24V signal

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

Function: Non-Fan Cycle Controller

For high-performance HVAC equipment protection

Lennox 60L23 Pressure Switch 318172-701 Common Questions Is the BLW0535The 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