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

acidic environment of a 90%+ AFUE furnace's collector box or inducer housing

extending the operational life of the connected motor and belt drive

Key Benefits for Contractors: OEM Reliability: Genuine Source 1 component ensures exact compatibility with York

extending the life of high-dollar components

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