Honeywell AQ25A42B
Honeywell AQ25A42B
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Honeywell Aquatrol Systems Programmable Relay Control Panel, 4 Zones, used with Zone Pumps or 2-Wire Valves

Model:

AQ25A42B

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Honeywell Aquatrol Systems Programmable Relay Control Panel, 4 Zones, used with Zone Pumps or 2-Wire Valves
Honeywell Aquatrol Systems Programmable Relay Control Panel, 4 Zones, used with Zone Pumps or 2-Wire Valves
Model: AQ25A42B
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Features

    Honeywell Aquatrol Systems Programmable Relay Control Panel, 4 Zones, used with Zone Pumps or 2-Wire Valves

    The Honeywell AQ25A42B Aquatrol Systems Programmable Relay Control Panel provides simplified, energy efficient control of single temperature, residential hydronic heating system. The AQ25A easily converts a single zone heating system into a room-by-room comfort control system or upgrade a basic, relay-logic zoning system to intelligent Zone of Greatest Demand control for increased energy efficiency with reduced boiler cycling. The AQ25A boiler controls can ensure ample supply of hot water for both space heating and priority generation of domestic hot water for bathing, dishes and laundry.

    Honeywell AQ25A42B Aquatrol Systems Programmable Relay Control Panel Features:
    • Use with AQ1000 2-wire dry contact communicating thermostats and most digital thermostats
    • 0-10 Vdc modulating output for driving a modulating/condensing boiler
    • Displays outdoor temperature on all AQ1000 Series thermostats when used with an AQ12C10 outdoor sensor
    • Intuitive programming interface and armchair programming (can be programmed at your desk and taken to the job site "ready-to-install")
    • Customizable control settings and schedules allow for greater level of control and comfort
    • Controls up to 2 stages of heat from a single thermostat
    • Central programming of zone set points and setbacks
    • Zoning Control for up to 4 zones as shipped, can be expanded to 16 and 64 zones
    • Zone synchronization through Zone of Greatest Demand Control
    • Domestic hot water priority and priority override protection
    • Line or low-voltage output for zoning equipment (pumps or valves)
    • Boiler short cycling protection
    • Boiler post purge
    • Freeze protection
    • Pump/valve exercise
    • Boiler shock prevention from cold water returning to boiler
    • Automated test and purge feature for quick start-up and simplified troubleshooting
    • Integral 38 VA transformer with self-resetting electronic fuse
    • 2 hour power supply to retrain day and time settings during power outage
    • Non-volatile EPROM memory retains program settings during power outage
    Honeywell AQ25A42B Aquatrol Systems Programmable Relay Control Panel Includes:
    • AQ12C10 outdoor sensor
    Honeywell AQ25A42B Aquatrol Systems Programmable Relay Control Panel Warranty:
    • Parts: 1 Year

Specifications

AQ25A42B
specs product image PID-33941
General Information
Product Line
Aquatrol
UPC
085267949422
Electrical Data
Voltage
120 Volts
Phase
1
Frequency
60 Hz
Dimensions
Product Height
8 Inches
Product Width
16 1/2 Inches
Product Length
3 3/8 Inches
Product Weight
8.5 Pounds
Certifications
UL Listed
Yes
CSA Listed
Yes
Warranty Information
Parts Warranty Learn More
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
1 Year

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Honeywell Aquatrol Systems Programmable Relay Control Panel, 4 Zones, used with Zone Pumps or 2-Wire Valves
Honeywell AQ25A42B
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