2-way normally closed modulating zone valve designed for demanding hydronic heating and cooling applications

which typically meets code requirements for vent limiting without additional external piping

it typically indicates scale buildup or internal failure

This HVAC combustion component is critical for maintaining the operational safety and efficiency of localized heating systems in commercial and telecommunications applications

Schneider Electric (Barber Colman) AV-496 Linkage Kit Refrigerant 2-way normally closed modulating zoneThe Schneider Electric (Barber Colman) AV 496 Linkage Kit is a critical hardware interface designed for the field assembly of MK 88xx and MK 89xx series actuators to large bore globe valves. This heavy duty kit provides the necessary mechanical coupling to adapt 100 sq. in. pneumatic actuators to 2 1 2" to 6" VB 9XXX series valve bodies. Engineered for precision in commercial HVAC and industrial process control, the AV 496 ensures high force linear