Common symptoms of a faulty 3S500031-1 expansion valve include poor cooling performance

Ensure the white or orange sense wire is connected to the SENSE terminal using the provided 3/16-inch Q

Loud arcing is often caused by a broken or grounded ionizing wire touching the collector plates

and accidental contact that can lead to catastrophic motor failure or blade damage

Ensure the high-voltage wire is securely seated on the electrode terminal

Lennox 43L21 Turbulatory Assembly 319852-301 Common symptoms of a faultyThe Lennox 43L21 Turbulator Assembly is a critical OEM replacement part designed to optimize thermal performance within the heat exchanger of Lennox gas furnaces and unit heaters. Engineered from heat resistant Pyrolite, this 8 inch by 1. 8 inch technical component is strategically placed within the heat exchanger tubes to disrupt laminar flow. By inducing a consistent swirling pattern in the flue gases, the turbulator assembly effectively eliminates