Lennox 58H23 Relay R-134A or if the HVAC control

or if the HVAC control board fails to sense a flame despite a clean sensor probe

Key Benefits: Direct OEM Replacement: Replaces the 031593-10 with exact fit-and-function compatibility

This pressure switch is FM approved and UL listed

For technicians servicing central air conditioner or heat pump units

Lennox 58H23 Relay R-134A or if the HVAC controlThe Lennox 58H23 Relay is a specialized HVAC part engineered for precise electrical load management in residential and light commercial systems. This enclosed relay features a Single Pole Double Throw (SPDT) configuration, making it a critical component for switching alternate loads such as fan speed control, auxiliary device management, or heating stage transitions. Optimized for 120V relay applications, it manages circuit continuity across multiple