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Key Benefits for Technicians Precise Flow Control: Rated for 150
Automatic LWCO Activation: Immediately enables low water cut-off protection once the sensor is fully inserted
Verification of the existing RJ-11 data cable integrity is recommended to ensure reliable signaling between the wall-mount controller and the rooftop power module
The 10-foot capillary tube offers significant installation flexibility for remote sensing bulb placement
Common Questions Can this valve be used for high-pressure water systems
Lennox 47L19 Limit Switch 318973-401 Key Benefits for Technicians PreciseThe Lennox 47L19 Limit Switch is a critical OEM replacement part designed for precise thermal regulation in residential and commercial furnaces. As an auto reset limit switch, this 36T series disc style component operates on a normally closed circuit, ensuring the burner assembly remains functional only within safe operating parameters. When the internal plenum temperature reaches the 185F high limit threshold, the switch opens, breaking the circuit