Check for continuity across the terminals when the system is under proper gas pressure

using this genuine HVAC manifold part eliminates the guesswork associated with aftermarket alternatives

What color are the lead wires for identification

or 35 psig steam applications

this condensate trap is a direct replacement for various Knight XL and Warrior series boilers

Heil Quaker ICP 30138000318 Control Board 320734-701 Check for continuity across theThe Heil Quaker ICP 30138000318 Control Board is an essential OEM replacement furnace part engineered for high performance management of residential and commercial heating cycles. This integrated logic board serves as the central processing unit for your HVAC system, regulating critical furnace ignition control, inducer motor timing, and blower speed protocols to ensure consistent climate output. Designed for a 24V AC input, this HVAC circuit board