The ball bearing design and Open Drip Proof (ODP) enclosure provide the necessary durability for vertical or horizontal mounting configurations in ventilated furnace compartments

Field technicians rely on this module to ensure reliable flame sensing and safe startup sequences in commercial water heating applications

Key Benefits: Space-Efficient Design: The narrow width chassis allows for high-density mounting in congested electrical cabinets

When should the 40154B008 limit switch be replaced

While the 1720-004 uses the TS11J safety valve body

Lennox 10M23 Service Valve 321894-708 The ball bearing design andThe Lennox 10M23 Service Valve is a critical OEM replacement part designed for technicians performing HVAC repair and maintenance on high performance residential cooling systems. This 3 8 inch service valve facilitates precise refrigerant flow control and allows for system isolation during leak testing or component swaps without a full charge recovery. Built for compatibility with the Lennox 14ACX and XC13 series, the 10M23 features a robust, leak