Watts 0590723 Air Vent Valve R-410A making it the primary Resideo

making it the primary Resideo humidifier replacement for legacy units like the 32000429-001

Durable Construction: High-tensile cast iron and a powder-coated finish provide high resistance to wear and environmental corrosion

it provides exact gas metering that aftermarket universal alternatives often fail to replicate

A grounded electrical outlet must be installed within reach of the provided power supply cord

Engineered for vertical orientation

Watts 0590723 Air Vent Valve R-410A making it the primary ResideoThe Watts 0590723 (also known as the FV 4M1 3 4) is a high performance automatic air vent valve engineered for demanding commercial and residential hydronic heating systems. Designed to purge trapped air from hot or cold water distribution lines, this 3 4 inch NPT air vent features a rugged brass body and cover capable of handling system pressures up to 150 psi and operating temperatures reaching 240F. Its high temperature resistant polyethylene float