While designed for commercial models like the Plus 100 and Gold Plus 119

including B and E 100 series units

a separate Parker solenoid coil must be sourced based on your voltage requirements

When replacing one with the other

The Lennox 43H88 Blower Relay is a heavy-duty 3PDT (Three Pole Double Throw) electromagnetic switch engineered for precise load management in commercial and residential HVAC systems

Armstrong Furnace AEHBCC05CSA-1 Heat Strip Kit Els PW 17895 While designed for commercial modelsThe Armstrong Furnace AEHBCC05CSA 1 Heat Strip Kit is a professional grade 5kW electric heater accessory designed for seamless integration into HVAC air handler systems. Engineered by Allied Air Enterprises, this 5kW electric heat kit serves as a reliable supplemental heat source for heat pump applications or as primary emergency heat in compatible blower coils. Operating at 208 230V single phase (1PH), this unit provides precisely 17,000 BTU hr (at