While designed for air-over applications

the WHL0538 ensures a secure fit on the motor shaft

It is engineered for on/off control and features integrated auxiliary switches (two SPDT) for providing end-stop verification to the fire alarm or building automation system

ensuring precise shaft alignment and minimizing vibration during high-static operation

Lockouts are often triggered by a dirty cad cell

Laars Heating Systems R0097100 Ignition Control 321894-709 While designed for air-over applicationsThe Laars R0097100 Ignition Control is a critical direct replacement component designed for high performance sequence management in Laars Lite2 (LJ LG) and Mighty Therm boiler and pool heater series. This Fenwal 05 212225 103 ignition module operates on a 24VAC circuit, providing precise control over the DSI (Direct Spark Ignition) sequence, including the trial for ignition, flame sensing, and automatic system lockout. Engineered for reliability in