Direct Acting Performance: Ensures immediate response for systems requiring a proportional increase in output pressure as temperature rises

Also identified under part number 81660146

a KP5 or KP15 high-pressure control should be utilized

The Allanson 421-557 is a heavy-duty oil burner ignition transformer engineered specifically for Arco and American Standard burners

using the genuine Aprilaire 401 is essential for protecting the evaporator coil from debris buildup

Heil Quaker ICP 1177834 Gas Valve THPU32HP7Y Direct Acting Performance: Ensures immediateThe Heil Quaker ICP 1177834 Gas Valve is an essential OEM replacement component engineered for precision fuel regulation in residential and light commercial HVAC systems. This 24V gas valve is factory calibrated for natural gas applications with a set point of 2. 9 inches WC (Water Column), ensuring consistent burner performance and optimal combustion efficiency. Built with a 3 4 inch NPT inlet and outlet, it integrates seamlessly into standard gas