While the 42-1 is the primary casting for the 42S series

A diagnostic check with a multimeter should show continuity across the leads under normal static pressure

Universal Versatility: Optimized for 5/16" diameter pushrods

The Maxitrol RV47AL-3/8 is a professional-grade gas appliance pressure regulator engineered for main burner and pilot load applications

providing the exact electrical and mechanical specs required for Carrier

Heil Quaker ICP 1186443 Blower Wheel 318423-701 While the 42-1 is theAs a seasoned technician, you know that keeping the air moving reliably is non negotiable. The Heil Quaker ICP 1186443 Blower Motor Assembly is an authentic OEM replacement part designed specifically for International Comfort Products (ICP) equipment, including brands like Heil, Tempstar, Comfortmaker, and Arcoaire. This 1 HP, 115V, single phase blower motor is a high performance ECM 5. 0 Eon assembly, providing the consistent torque and CFM output