Natural Gas Optimization: Specifically calibrated for natural gas flow rates to stabilize the pilot flame across varying pressure levels
The Carrier P291-3554RS Run Capacitor is a 35+5 MFD 440V dual run capacitor designed for high-duty cycle performance in residential and commercial HVAC systems
this mechanical thermostat allows for versatile control of heating
The hysteresis synchronous motor includes a integrated lost motion drive to protect the internal gear train from closing shock
vibration-free connection to the motor shaft
Lennox 81W03 Control Board Els PW 17895 Natural Gas Optimization: Specifically calibratedThe Lennox 81W03 Control Board is the direct OEM replacement for the Lennox 17W70, 17W7001, and 81W0301 ignition control boards. As the central logic for your furnace, this integrated furnace control manages critical sequences, including hot surface ignition, flame sensing, and blower motor timing. It is engineered specifically for use in high efficiency units such as the Lennox G40, G43, and ML180 ML193 series. When performing a field replacement,