Thermal Protection: Features internal thermal overload protection to prevent localized overheating should the motor encounter a locked rotor condition or excessive static load

and 13S zone valves

Common Questions What are the signs of a failing 100171987 gas valve

replacing the terminal kit is essential for preventing voltage drops and ensuring the integrity of the electrical circuit

ensuring compliance with local energy codes

Lennox 27M18 Orifice 321142-301 Thermal Protection: Features internal thermalThe Lennox 27M18 Orifice is a precision engineered 052 sized flow control component essential for maintaining the manifold pressure and combustion efficiency of Lennox commercial and residential heating systems. Designed as a direct OEM replacement part, this orifice (MPN: 27M18, replaces LB 99225) ensures accurate gas metering for Lennox T Class rooftop units and gas furnaces, specifically compatible with models including KGA036S4, KGA092, and LGH180