Lennox 28G80 Limit Switch The Functional Devices RIBH1C Relay

The Functional Devices RIBH1C Relay is a heavy-duty enclosed pilot relay engineered for building automation and HVAC industrial control circuits

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The included mounting hardware supports both vertical and horizontal thermostat guard installation

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Does this relay manage the blower fan timing

Lennox 28G80 Limit Switch The Functional Devices RIBH1C RelayThe Lennox 28G80 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial HVAC systems. This genuine OEM replacement part is engineered to monitor heat exchanger temperatures, effectively preventing equipment damage by breaking the electrical circuit if internal temperatures exceed safety thresholds. As a 110 150F auto limit switch, it is calibrated to actuate at a 150F cutout and