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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Built to withstand the rigorous demands of industrial steam systems
this OEM conversion kit preserves terminal efficiency and flame stability
Superior Filtration: 20-micron internal filtration media protects sensitive components from solid contaminants
essential for low-pressure gas trains
This part is frequently found in Lochinvar Power-Fin heating boilers (1501-2001) and various A
Lennox 81W03 Control Board 30067439-890 Built to withstand the rigorousThe 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,