while longer runs may require 1/4" or 1/2" ID tubing to maintain signal integrity and avoid pressure lag

With an 1/8 HP motor rating and a 5 Amp contact capacity

This general purpose pressure switch is rated for 15 Amps at 125 VAC or 10 Amps at 250 VAC

this component is responsible for the initial transfer of thermal energy from the combustion process to the circulating air

Installation is streamlined via the barbed restrictor tee designed for 1/4" OD polytubing and an 1/8" FPT slave air connection

Carrier 326643-703 Burner 321894-709 while longer runs may requireThe Carrier 326643 703 Burner is a critical 4 inch inshot burner assembly designed for high efficiency gas furnaces. As a veteran grade OEM furnace replacement part, this component ensures precise fuel to air ratios, facilitating a stable and consistent flame pattern essential for optimal heat exchange. Engineered for Carrier, Bryant, and Payne residential and commercial heating units, this assembly features a compact profile, measuring approximately