Honeywell AQ2511B0 1027524

Honeywell Aquatrol Boiler Reset Control, 7.4 A Full Load, 44.4 A Locked Rotor, 120 V, 60 Hz Power Supply, NTC Thermistor Sensor, User Interface: LCD Display and 7 Button Key Pad, 1 -Zone, 120 - 255 deg F (Boiler), -60 - 32 deg F (Outdoor Low Design) Control, 24 VAC, 0.5 A, 12 V-A Boiler Output, 120 - 250 VAC, 5 A, 1/3 hp Auxiliary Pump Contact, 10 ft L Lead, 2 x 14 AWG Wire, Wire Clamp Screw Terminal Connection, 13 in W x 8 in H x 3-3/8 in D

• Displays outdoor temperature on all AQ1000 thermostats when used with the included AQ12C10 outdoor sensor
• Customizable control settings allow for greater control and comfort, domestic hot water priority and priority override protection, as well as an automated test and purge feature
• Intuitive and accessible programming interface and central program of zone setpoints and setback programming
• Zoning control for up to four-zones and can be up to 64-zones using expansion panels, test and purge feature for quick start-up and simplified troubleshooting
• Boiler short cycling protection, boiler post-purge and boiler shock prevent from cold water returning to boiler
• 10 sec to 30 min off boiler heat post-purge
• 30 sec per 2 weeks of space heating inactivity pump or valve exercise
• Heat demand (thermostat R-W), auxiliary demand and DHW demand, external dry contacts connection only
• Low voltage, Class II, two-wire polarity-insensitive, digital communicating link to other control or zoning modules
• 0 - 10 VDC modulating output for driving a modulating/condensing boiler