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Honeywell Aquatrol AQ25142B/U Boiler Reset Controller, Supply/Return Sensor, DIP Switch User Interface, 4 Zones, 24 VAC 0.5 A 12 VA Boiler Output, Import
HONEYWELL AQ25142B BOILER RESET CONTROLLER WITH DHW PRIORITY FOR 4 ZONES OF PUMPS OR 2-WIRE VALVES
Hydronic Boiler Control
}
Brand: 
Honeywell Aquatrol AQ25142B/U Boiler Reset Controller, Supply/Return Sensor, DIP Switch User Interface, 4 Zones, 24 VAC 0.5 A 12 VA Boiler Output, Import
3167033
MFG #: AQ25142B
Product ID:3167033
Famous Supply
- Dimensions: 8 in H x 16-1/2 in W x 3-3/8 in D
- Electrical Connections: Wire-Clamp Screw Terminal
- Power Rating: 38 va
- Wire Size: 2 x 14 AWG
- Sensor Type: Supply/Return
- User Interface: DIP Switch
- Number of Zones: 4
- Boiler Output: 24 VAC 0.5 A 12 VA
- Domestic/Import: Import
Honeywell AQ251 AQUATROL boiler reset controls for single temperature, residential hydronic heating systems, provide energy-efficient outdoor-temperature compensated control to convert single zone heating system or upgrade relay-logic zoning systems.
- Features
- Standards & Approvals
- Application
| 5 to 90% RH non-condensing operating humidity |
| 24 VAC class II (input on control and zoning modules) R-C input |
| Intuitive and accessible programming interface and central program of zone set points and setback |
| Zoning control for up to four zones and can be up to 64 zones using expansion panels |
| 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 start-up and simplified troubleshooting |
| 38 VA and 24 VAC Class II R-C output |
| AQ1000 series 2-wire communicating thermostats and most digital thermostats thermostat compatibility |
| 7 day, up to 2 setback periods/day setback program |
| Pumps or 2-wire valves zoning devices controlled |
| Supply: OFF, 120 to 225 F max boiler control temperature |
| 80 to 210 deg F boiler design temperature |
| -60 to 32 deg F Outdoor low design control temperature |
| 80 to 180 deg F return min control temperature |
| OFF, 10 sec to 30 min(factory default is 30 sec) boiler heat post purge |
| 30 sec per 2 weeks of space heating inactivity pump/valve exercise |
| Demand input: Heat demand (thermostat R-W) auxiliary demand and DHW demand external dry contacts connection only |
| B-B communication bus terminals: low voltage, Class II, 2-wire polarity-insensitive, digital communicating link to other control or zoning modules |
| Zone module thermostat input: low voltage, Class II, 2-wire polarity-insensitive, digital communicating with power link to AQ1000 series thermostat |
| CSA C/US Certified to CSA and UL Standards File #LR76030 |
| Boiler Reset Control For Hydronic Zoning System |