Resideo AQ25042B Control Panel
The Resideo AQ25042B Control Panel is a contractor-grade solution for managing single temperature residential hydronic heating systems. As part of the Aquatrol AQ2000 Series, this 4-zone boiler control panel provides zone synchronization through Zone of Greatest Demand logic, effectively upgrading legacy relay-logic zoning systems. It is designed for seamless operation with AQ1000 2-wire communicating thermostats via polarity-insensitive B-B communication bus terminals, but remains compatible with standard dry contact digital thermostats. The unit features DIP switch configuration for rapid field setup and includes an automated test feature to simplify troubleshooting and system commissioning. Built-in boiler short cycling protection and a 30-second boiler heat post purge enhance operational efficiency, while the ZR-ZC contact rating of 120-240 Vac supports both line voltage pumps and low voltage zone valves. The system is expandable to 16 zones with additional expansion zoning modules, ensuring scalability for complex hydronic zoning layouts.
Key Benefits- Zone Synchronization: Optimizes boiler firing cycles by coordinating calls for heat, reducing short cycling and thermal stress.
- Flexible Compatibility: Simplifies wiring with AQ1000 2-Wire Thermostats while maintaining low voltage thermostat input for global digital standards.
- Domestic Hot Water Priority: Integrated DHW priority override protection ensures consistent hot water supply during peak demand.
- Ease of Installation: Features wire clamp screw terminals and proactive boiler freeze protection in a factory pre-wired enclosure.
- Scalable Architecture: Native 4-zone control that easily expands using AQ255 or AQ257 panels for larger residential professional projects.
Is the Resideo AQ25042B compatible with both pumps and zone valves?
Yes. The AQ25042B is engineered to control either line voltage circulator pumps or 24 Vac zone valves without end switches. Ensure the correct voltage stickers are applied to the zoning module during installation to match your equipment.
Can I use non-communicating thermostats with this panel?
Absolutely. While optimized for AQ1000 communicating thermostats, the low voltage zone module supports most standard dry contact digital thermostats using conventional R-W wiring.
How does the 30-second post purge benefit the system?
The boiler heat post purge utilizes residual heat in the heat exchanger after the burner shuts down, pushing it into the active zones to maximize energy efficiency and prevent boiler shock.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $404.22
-65%$404.22
$141.48Resideo AQ25042B Control Panel
The Resideo AQ25042B Control Panel is a contractor-grade solution for managing single temperature residential hydronic heating systems. As part of the Aquatrol AQ2000 Series, this 4-zone boiler control panel provides zone synchronization through Zone of Greatest Demand logic, effectively upgrading legacy relay-logic zoning systems. It is designed for seamless operation with AQ1000 2-wire communicating thermostats via polarity-insensitive B-B communication bus terminals, but remains compatible with standard dry contact digital thermostats. The unit features DIP switch configuration for rapid field setup and includes an automated test feature to simplify troubleshooting and system commissioning. Built-in boiler short cycling protection and a 30-second boiler heat post purge enhance operational efficiency, while the ZR-ZC contact rating of 120-240 Vac supports both line voltage pumps and low voltage zone valves. The system is expandable to 16 zones with additional expansion zoning modules, ensuring scalability for complex hydronic zoning layouts.
Key Benefits- Zone Synchronization: Optimizes boiler firing cycles by coordinating calls for heat, reducing short cycling and thermal stress.
- Flexible Compatibility: Simplifies wiring with AQ1000 2-Wire Thermostats while maintaining low voltage thermostat input for global digital standards.
- Domestic Hot Water Priority: Integrated DHW priority override protection ensures consistent hot water supply during peak demand.
- Ease of Installation: Features wire clamp screw terminals and proactive boiler freeze protection in a factory pre-wired enclosure.
- Scalable Architecture: Native 4-zone control that easily expands using AQ255 or AQ257 panels for larger residential professional projects.
Is the Resideo AQ25042B compatible with both pumps and zone valves?
Yes. The AQ25042B is engineered to control either line voltage circulator pumps or 24 Vac zone valves without end switches. Ensure the correct voltage stickers are applied to the zoning module during installation to match your equipment.
Can I use non-communicating thermostats with this panel?
Absolutely. While optimized for AQ1000 communicating thermostats, the low voltage zone module supports most standard dry contact digital thermostats using conventional R-W wiring.
How does the 30-second post purge benefit the system?
The boiler heat post purge utilizes residual heat in the heat exchanger after the burner shuts down, pushing it into the active zones to maximize energy efficiency and prevent boiler shock.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Resideo AQ25042B Control Panel is a contractor-grade solution for managing single temperature residential hydronic heating systems. As part of the Aquatrol AQ2000 Series, this 4-zone boiler control panel provides zone synchronization through Zone of Greatest Demand logic, effectively upgrading legacy relay-logic zoning systems. It is designed for seamless operation with AQ1000 2-wire communicating thermostats via polarity-insensitive B-B communication bus terminals, but remains compatible with standard dry contact digital thermostats. The unit features DIP switch configuration for rapid field setup and includes an automated test feature to simplify troubleshooting and system commissioning. Built-in boiler short cycling protection and a 30-second boiler heat post purge enhance operational efficiency, while the ZR-ZC contact rating of 120-240 Vac supports both line voltage pumps and low voltage zone valves. The system is expandable to 16 zones with additional expansion zoning modules, ensuring scalability for complex hydronic zoning layouts.
Key Benefits- Zone Synchronization: Optimizes boiler firing cycles by coordinating calls for heat, reducing short cycling and thermal stress.
- Flexible Compatibility: Simplifies wiring with AQ1000 2-Wire Thermostats while maintaining low voltage thermostat input for global digital standards.
- Domestic Hot Water Priority: Integrated DHW priority override protection ensures consistent hot water supply during peak demand.
- Ease of Installation: Features wire clamp screw terminals and proactive boiler freeze protection in a factory pre-wired enclosure.
- Scalable Architecture: Native 4-zone control that easily expands using AQ255 or AQ257 panels for larger residential professional projects.
Is the Resideo AQ25042B compatible with both pumps and zone valves?
Yes. The AQ25042B is engineered to control either line voltage circulator pumps or 24 Vac zone valves without end switches. Ensure the correct voltage stickers are applied to the zoning module during installation to match your equipment.
Can I use non-communicating thermostats with this panel?
Absolutely. While optimized for AQ1000 communicating thermostats, the low voltage zone module supports most standard dry contact digital thermostats using conventional R-W wiring.
How does the 30-second post purge benefit the system?
The boiler heat post purge utilizes residual heat in the heat exchanger after the burner shuts down, pushing it into the active zones to maximize energy efficiency and prevent boiler shock.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
