It is intended for signaling a BMS or DDC controller

using generic tubing can lead to kinking or poor fitment

and 800 valve actuators

2-position control solution designed for precision airflow and fluid regulation in commercial and residential HVACR environments

ensuring it meets strict ASME Section IV safety requirements

Heil Quaker ICP 1185591 Vent Elbow Kit 321702-401 It is intended for signalingThe Heil Quaker ICP 1185591 Vent Elbow Kit is a critical OEM replacement part designed for high efficiency gas furnaces and oil heating systems. Engineered specifically for International Comfort Products (ICP) equipment, this kit facilitates precise combustion air piping and exhaust redirection. It features a 3 1 2 inch inducer opening and a 2 1 2 inch pipe opening, ensuring a sealed, low resistance transition that maintains the static pressure