HONEYWELL Honeywell AQ25A44B programmable relay boiler control panel for 4 zones of valves with end switches
HONEYWELL Honeywell AQ25A44B programmable relay boiler control panel for 4 zones of valves with end switches

Honeywell AQ25A44B programmable relay boiler control panel for 4 zones of valves with end switches

HONEYWELL
Brand: HONEYWELL
SKU: AQ25A44B
Availability: In Stock

Ships same day if ordered by 12 pm
$208.70
$208.70
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Description

Product Description

The Honeywell AQ25A44B is a programmable relay boiler control panel designed for sign-temperature residential hydronic heating systems, providing simplified, energy-efficient control. It manages low voltage control modules, zone thermostats, and zone valves with end switches, handling line voltage outputs for boiler pumps, domestic hot water (DHW) pumps, and auxiliary functions. This control panel supports up to four zones, expandable to 64 zones with additional panels, and includes an integral 38 VA transformer.

  • Displays outdoor temperature on all Aq1000 series thermostats when used with an aq12c10 outdoor sensor.
  • Intuitive and accessible programming interface for zone set points and setback programming.
  • Zoning control for up to four zones, expandable to 64 zones with additional panels.

Product Highlights

This programmable boiler control panel offers comprehensive management for hydronic heating systems, featuring multi-zone control, customizable settings, and domestic hot water priority.

Product Information

Standard Information

  • Brand: HONEYWELL
  • Manufacturer Part Number: AQ25A44B
  • Country of Origin: United States
Technical Specifications
Manufacturer
Honeywell
Brand
Honeywell
Product Type
CONTROLLER
MPN
AQ25A44B
Boiler High Limit
Range: 120°F to 225°F (49°C to 107°C), Factory Default: 190°F (88°C)
Boiler Low Limit
Range: 60°F to 180°F (15°C to 82°C), Factory Default: 150°F
Boiler Differential
Range: 2°F to 41°F (1°C to 23°C) / AUTO, Factory Default: AUTO
Warm Weather Shut Down
Range: 35°F to 100°F (2°C to 38°C), Factory Default: 70°F (21°C)
Minimum Return Temperature
Range: – – / 80°F to 180°F (27°C to 82°C), Factory Default: 140°F (60°C)
Boiler Cycles Per Hour
Range: 2 to 6, Factory Default: 4
Boiler Fire Delay
Range: 0 seconds to 3 minutes (in 5 second increments), Factory Default: 10 seconds
Boiler Purge Time
Range: OFF, 10 seconds to 30 minutes (in 10 second increments), Factory Default: 30 seconds
Boiler Exercise
Range: YES / NO, Factory Default: YES
Boiler Freeze Protection
Range: YES / NO, Factory Default: YES
Boiler 10V Modulation Select
Range: 0-10V / 2-10V, Factory Default: 0-10V
Boiler Usage
Range: NONE / BOILER, Factory Default: NONE
DHW Enable/Disable
Range: ENABLE / DISABLE, Factory Default: ENABLE
DHW Priority
Range: YES / NO, Factory Default: NO
DHW Priority Override
Range: YES / NO, Factory Default: YES
DHW Device
Range: PUMP / VALVE, Factory Default: PUMP
DHW Valve Open Time
Range: 0 – 230 seconds (in 5 second increments), Factory Default: 15 seconds
DHW Purge
Range: YES / NO, Factory Default: YES
DHW Sensor
Range: YES / NO, Factory Default: NO
DHW Setpoint
Range: 60°F to 160°F (16°C to 71°C), Factory Default: 140°F (60°C)
DHW Differential
Range: 5°F to 40°F (2.5°C to 22°C), Factory Default: 20°F (-7°C)
DHW Vacancy
Range: [41°F + DHW DIFF] to 160°F ([5°C + DHW DIFF] to 71°C), Factory Default: 45°F (7°C)
Zoning Heat Demand Priority
Range: YES / NO, Factory Default: NO
Zoning Priority Override
Range: YES / NO, Factory Default: NO
Zoning Valves Time To Open
Range: 5 – 230 seconds, Factory Default: 15 seconds
Auxiliary Input (optional)
Range: SETBACK / VACANCY / EM. SHUT / NONE, Factory Default: SETBACK
Auxiliary Output (optional)
Range: BOILER / SETBACK / ZONE OP. / ALARM / AUX.IN / DHW IN / HEAT IN / HT DMND / COOL / NONE, Factory Default: BOILER
Auxiliary Pump (optional)
Range: BOILER / GROUP / OCC / BYPASS / FAN / NONE / AUX.IN / DHW IN / HEAT IN / HT DMND, Factory Default: BOILER
A/C Cycles Per Hour
Range: 2 / 3 / 4 / 5 / 6, Factory Default: 4
A/C Minimum Off Time
Range: 2 to 10 minutes, Factory Default: 5M
A/C Cool Weather Shut Down
Range: 32°F to 100°F (0°C to 38°C), Factory Default: 65°F (18°C)
A/C Fan Mode
Range: AUTO / ON, Factory Default: AUTO
A/C Equipment Configuration
Range: A-1 to D-16, Factory Default: A-1
A/C Unit
Range: NONE / 1, Factory Default: 1
A/C Cooling
Range: ENABLE / DISABLE, Factory Default: ENABLE
HONEYWELL Honeywell AQ25A44B programmable relay boiler control panel for 4 zones of valves with end switches

HONEYWELL

Honeywell AQ25A44B programmable relay boiler control panel for 4 zones of valves with end switches

$208.70
HONEYWELL Honeywell AQ25A44B programmable relay boiler control panel for 4 zones of valves with end switches

HONEYWELL

Honeywell AQ25A44B programmable relay boiler control panel for 4 zones of valves with end switches

$208.70

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