to meet UL 1995 standards

is a high-performance 3/4 inch water pressure reducing valve designed for commercial and residential hydronic heating systems

damper activation

if your current unit specifies part 1177609 or is a 3/4 HP variable speed motor with a 1/2" shaft and CCW rotation

this assembly ensures linear heat transfer and stable temperature regulation under varying load conditions

Schneider Electric (Erie) VT2221G23A020 Valve Assembly 322838-753 to meet UL 1995 standardsThe Schneider Electric (Erie) VT2221G23A020 Valve Assembly is a heavy duty 2 way normally open zone valve engineered for precision fluid control in hydronic heating and cooling systems. Built around the industry standard Erie PopTop platform, this assembly features a 1 2" NPT threaded connection and a 1. 0 Cv flow coefficient, making it ideal for high head fan coil and baseboard applications. The unit operates on a 24Vac power supply and utilizes a