protecting the silicone diaphragm and calibration spring from industrial wear

PopTop Modular Design: Facilitates easy actuator removal and installation with a simple push-button mechanism

The Lennox 18G90 Pilot Assembly is a high-performance OEM replacement engineered for precise ignition control in natural gas furnace systems

Industrial-Grade Construction: Built with high-grade heating coils and robust supports to withstand repeated thermal cycling in forced-air applications

The unit features a conduit connection and 18-inch lead wires

Carrier 40RM500131 Support Bearing 321702-401 protecting the silicone diaphragm andThe Carrier 40RM500131 Support Bearing is a critical OEM HVAC replacement part designed specifically for the fan shaft assemblies in Carrier 40RM series air handlers. For technicians servicing unit sizes ranging from 014 to 034, this rugged pillow block bearing ensures precise shaft alignment and reduces rotational friction. Engineered to handle both radial and axial loads, these HVAC fan shaft bearings are essential for maintaining the structural