this is a Direct Spark Ignition (DSI) control designed to spark directly to the main burner

As a genuine York replacement fuse

Optimized Steam Efficiency: Rapidly discharges non-condensable gases and air

Always verify the specific lug size on the unit to ensure your lead wire meets NEC requirements for the intended load

Knob Setpoint Adjustment

Heatcraft Refrigeration 5708L Limit 321042-401 this is a Direct SparkThe Heatcraft Refrigeration 5708L is a field proven 2 wire temperature limit switch engineered for high precision thermal monitoring in commercial refrigeration and HVAC systems. Designed with a specific 40? F close and 75? F open setpoint, this SPST limit control provides essential circuit interruption to protect compressors and heaters from out of tolerance operating conditions. As a genuine OEM replacement part, the 5708L ensures seamless