Improved Safety: Maintains a secure barrier between flue gases and the living space to prevent carbon monoxide leakage

or a "hunting" system where the suction pressure fluctuates wildly as the valve fails to stabilize the refrigerant flow

using a non-OEM part with an incorrect WC rating can lead to improper combustion or safety hazards

making it an ideal choice for air handling unit (AHU) and terminal unit applications

using an OEM replacement helps restore original drainage efficiency

Heil Quaker ICP 1178406 TXV Valve 321042-401 Improved Safety: Maintains a secureThe Heil Quaker ICP 1178406 TXV Valve is a high capacity, precision engineered thermostatic expansion valve designed for demanding R410A refrigerant applications. Rated for 6 ton cooling capacity, this OEM component is essential for maintaining accurate superheat at the evaporator outlet, shielding the compressor from liquid slugging while maximizing heat transfer efficiency. Built for compatibility with ICP family brands including Heil, Tempstar, and