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

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

5W power consumption reduces the load on the 24V transformer while providing reliable

System Reliability: Protects internal components by reducing the time a motor stays in high-amp startup mode

simplifying installation in tight boiler rooms or industrial manifold configurations

Lennox 27M18 Orifice 321142-301 Common Questions What are theThe 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