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The sensor utilizes a sampling tube to monitor air quality effectively
For technicians servicing central air conditioner or heat pump units
it contains a 45 oz initial charge of POE (Polyolester) oil
or if the HVAC control board fails to sense a flame despite a clean sensor probe
Lennox 58H23 Relay R-134A The sensor utilizes a samplingThe 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
