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

This board is utilized across various Carrier

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

Smith industrial water heating units

The Fasco D189 is a single-speed motor

Carrier 326643-703 Burner 321894-709 This general purpose pressure switchThe 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