Air Flow Switch, .3-12" w.c. , Single Pole Single Throw, Compression Fittings

Boiler Control Panel, 4 Zone, Dip Switches, Used with AQ1000 2 Wire Thermostats, 30 Second Boiler Heat Post Purge, 24 Vac R-C Input, Low Voltage B-B Communication Bus Terminals, Low Voltage Zone Module Thermostat Input, 120-240 Vac ZR-ZC Contact Rating, Wire Clamp Screw Terminals, Expandable to 16 Zones

Aquatrol Zoning Panel, For 4 Zone Pumps or 2 Wire Valves, 32-130 Degree Panel Temperature Rating, R-C Input: 24 Vac, B-B Communication Bus Terminals and Zone Module Thermostat Input: Low Voltage, 2 Wire Polarity Insensitive, Digital Communicating with Power Link to AQ1000 Series Thermostat, Zone Output Contact Rating: 120/250 Vac 5A 1/3 HP, 5-90 % RH Non Condensing Operating Humidity Range

Aquatrol Zoning Panel, For 4 Zone Pumps or 2 Wire Valves, 32-130 Degree Panel Temperature Rating, R-C Input: 24 Vac, B-B Communication Bus Terminals and Zone Module Thermostat Input: Low Voltage, 2 Wire Polarity Insensitive, Digital Communicating with Power Link to AQ1000 Series Thermostat, Zone Output Contact Rating: 120/250 Vac .5A 12VA, 5-90 % RH Non Condensing Operating Humidity Range

Aquatrol Zoning Control used for Hydronic Zoning Systems, 4 Zones, DIP Switch User Interface, 32-130 Degree Panel Temperature Rating, 24 Vac Class II R-C Input, 120/250 Vac 0.5A 12 VA Zone Output Contact Rating, 5-90 % RH Non Condensing Operating Humidity Range

10" Automatic Round Damper with 24Vac, Two Position, Power Closed/Spring Return Open (Reversible) Actuator

12" Automatic Round Damper with 24Vac, Two Position, Power Closed/Spring Return Open (Reversible) Actuator

14" Automatic Round Damper with 24Vac, Two Position, Power Closed/Spring Return Open (Reversible) Actuator

16" Automatic Round Damper with 24Vac, Two Position, Power Closed/Spring Return Open (Reversible) Actuator

18" Automatic Round Damper with 24Vac, Two Position, Power Closed/Spring Return Open (Reversible) Actuator