you know that maintaining precise ignition and fuel delivery is critical for combustion efficiency and preventing nuisance lockouts

the valve typically defaults to the heating mode when de-energized (failsafe for winter)

Thermal Efficiency: Optimized for medium back pressure

Its robust construction supports a maximum rated pressure of 650 psi

OEM Fitment: Precision-stamped steel ensures 100% compatibility with ICP blower assemblies

Resideo VCZAR1100 Valve 320819-301 you know that maintaining preciseThe Resideo VCZAR1100 is an industrial grade 1 inch NPT two way cartridge cage valve engineered for precision control in hydronic systems. Designed with a 6. 6 Cv flow coefficient and a linear flow characteristic, this valve ensures stable temperature regulation in both chilled and hot water applications. The bronze body construction, paired with a stainless steel stem and EPDM O ring seals, provides the durability required for closed loop systems