AQUATROL AQ251 Boiler Control, 10 kOhm NTC Thermistor at 77 deg F, LCD Display and 7 Button Key Pad, 4 Zones, 32 - 130 deg F, Boiler Output: 120 VAC, 5 A, 1/3 hp, 24 VAC, 0.5 A, 12 VA, 10 ft Lead Length, 2 x 14 AWG Wire, Wire Clamp Screw Terminal, 8 Inch H x 16-1/2 Inch W x 3-3/8 Inch D, For Use With: AQ12C10 Series Outdoor Sensor
- 0 to 10 VDC modulating output for driving a modulating/condensing boiler
- Displays outdoor temperature on all AQ1000 thermostats when used with the included AQ12C10 outdoor sensor
- Boiler short cycling protection, boiler post purge and boiler shock prevent from cold water returning to boiler
- Intuitive and accessible programming interface and central program of zone set points and setback
- Boiler short cycling protection, boiler post purge and boiler shock prevent from cold water returning to boiler
- Domestic hot water priority and priority override protection, as well as an automated test and purge feature
- Test and purge feature for quick startup and simplified troubleshooting
- -58 F to +230 F sensor temperature
Standard/Approvals: UL Listed, CSA Certified
Application: For Zoned Hydronic Systems
