When your Lennox SL22KLV heat pump displays error code 117, it's a clear indication of a faulty pressure switch, a critical component responsible for monitoring system pressure levels and preventing … [Read more...]
Lennox XP25 Heat Pump Error 452: Low Pressure Switch Open Detected
You're facing a low pressure switch open error on your Lennox XP25 heat pump, indicated by error code 452. This error typically occurs during winterizing or air conditioning modes and signifies a … [Read more...]
