Product Description The VU844A1003/U Actuator Fan Coil Valve Actuators is used in conjunction with the VU54S2024/U (Hi Pressure Valve 1" inch Sweat 3W), for controlling the flow of hot or chilled water in commercial HVAC equipment such as fan coil...

Product DescriptionThe VU844A1003/U Actuator Fan Coil Valve Actuators is used in conjunction with the VU54S2016/U (Hi Presasure Valve 3/4" inch Sweat 3W), for controlling the flow of hot or chilled water in commercial HVAC equipment such as fan coil units,...

Product DescriptionThe Honeywell AT140 general purpose transformers power 24 Vac circuits. Although typically used in heating/cooling control systems, they can be used in any application that doesn't exceed the load ratings.Typical ApplicationsThese controllers are used in heating/cooling control systems. Performance...

Product DescriptionThe RA889A Switching Relay with 24 V controller provides intermediate switching of line- and low-voltage devices from a line- or low-voltage controller and is typically applied in Hydronic heating systems.Typical ApplicationsHydronic heating systems; Provide intermediate SPDT and SPST switching...

Product DescriptionThe Honeywell V8043A1029 two-way on-off low voltage valves consist of an actuator and valve assembly for controlling the flow of hot water.Typical ApplicationsHydronic control - Valve designed for cycling (not constantly powered on) applications. Use this valve in closed...

The VU843 Fan Coil Valve Actuators are used in conjunction with the VU52, VU53 and VU54 valves for controlling the flow of hot or chilled water in commercial HVAC equipment such as fan coil units, terminal reheat coils and convectors....

Product DescriptionHoneywell Tradeline T4398A1021 In-Line Thermostat is a high performance electric heat thermostat that provides precise line voltage control of resistive-rated electric heating equipment.Typical ApplicationsElectric baseboards, convectors and fan forced heaters (resistive rated loads)Performance Data Dimensions (in.): 4 1/2 in....

Product DescriptionThermostats provide 24 Vac control of heating. The Honeywell T822K1018 Low-Volt Thermostat is designed for HEAT ONLY Systems.Typical ApplicationsHydronic Heating SystemsPerformance Data Mercury Free Dimensions (in.): 4 3/4 in. high x 2 7/8 in. wide x 1 3/8 in....

Overview Aquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. Features Totally enclosed Micro Switch™ snap-acting switches operate on temperature rise to setpoint....

Honeywell VU54S2024/U 1" Three-Way Fan Coil Sweat Valve. The VU54 high pressure zone valves are used to control the flow of hot or chilled water in commercial HVAC equipment such as fan coil units, terminal reheat coils and convectors. IMPORTANT...