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Always match the OEM Lennox 20J83 specs
ensuring consistent main burner light-off even in demanding cold-start conditions
but should be verified before installation
This HVAC brass adapter handles vacuum and working pressures up to 5
Converting a system to liquid propane requires a specific conversion kit with differently sized orifices and regulator springs
Schneider Electric (Barber Colman) N800-9424 Diaphragm Els PW 17895 Always match the OEM LennoxThe Schneider Electric (Barber Colman) N800 9424 Diaphragm is a precision engineered replacement component purpose built for the 2474 Series of pneumatic actuators. This 2474 series diaphragm is technically identical to the legacy 21 842 part number, providing a drop in solution for service technicians maintaining Barber Colman M574 actuator assemblies. As a veteran grade HVAC replacement part, it ensures the structural integrity of the pressure