the Carrier 4662 maintains the high-evaporation performance required for consistent humidity control while preventing the distribution of "white dust" throughout the building’s ductwork and living spaces

it regulates the 24V signal to the gas valve manifold during the ignition trial period following air pressure switch verification

Simplified Installation: 230V blower motor provides a direct electrical and mechanical match for existing mounting brackets

and the high-limit is adjustable from 100°F to 220°F to meet specific system requirements

Resideo VCZAL1000 Valve 322055-301 the Carrier 4662 maintains theThe Resideo VCZAL1000 is an industrial grade 3 4 inch 2 way linear flow valve body engineered for precise hydronic control in residential and light commercial HVAC systems. Designed to manage the flow of hot or chilled water, this VC series valve assembly remains stable in demanding environments, supporting fluid temperatures from 34F to 203F and maintaining a maximum operating pressure of 300 PSI. Built with a rugged bronze body and a high