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Technical (0)
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Sales (3)
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| Resideo Hydronic Heating Solutions Brochure (English) | 07/2021 | 4674780 kb |
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| Resideo Hydronic Heating Solutions Brochure (French) | 07/2021 | 4456147 kb |
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| Aquatrol Hydronic Controls | 10/2001 | 1642369 kb |
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Install (2)
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| Product Data for AQ250 Series Hydronic Control Panels (English) | 05/2025 | 1673070 kb |
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| “Add-A-Temperature” Expansion Control Panel | 10/2009 | 1680267 kb |
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| Application | Expanded zone control and mixed loop temperature control in hydronic zoning systems | Mixed loop target temperature is reset by either outdoor temperature or calculated system load based on indoor temperature feedback |
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| Product Features | Add-on control panel to the main (AQ250, AQ25A, AQ251, AQ252) control panel | Each of the 16 zones connected to it are assigned to the system's primary or secondary loop | Up to 3 AQ254 panels can be added to the main control panel | Controlled mixed loop temperature by a variable speed injection pump or motorized mixing valve connected to the AQ254 | Intuitive and accessible programming interface and central program of zone set points and setback | Customizable mixing control settings provide greater control and comfort | Features zone synchronization through Zone of Greatest Demand control |
| Approvals and Standards | CSA C/US Certified to CSA and UL Standards, File No. LR76030 |
| Dip Switches | No |
| Input Power Voltage | 120 V |
| Mixing Valve Floating Output | 24 V AC Rated Dry Contacts |
| Output Rating | Auxiliary Pump: Dry contact output, 120 V AC/250 V AC 5 A/ 1/3 HP |
| Compatible With | AQ1000 Series 2-wire thermostats | Most digital thermostats |
| Warranty | 2 Years |
| Color | Black | Red | Green |
| Product Depth | 3.38 in | 8.5 cm |
| Product Height | 8 | 20.3 |
| Product Weight | 3.9 | 1.8 |
| Product Width | 9.5 | 24 |
| No overview is available for this product. |
Accessories (0)
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Replacement Parts (0)
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Direct Replacement (1)
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s-aq25400b-u | Aquatrol Add-a-Temperature Expansion Control Panel, is used for expanded zone control and mixed loop temperature control in a Hydronic Zoning System | Sign In to View Pricing |
Functional Replacement (0)
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Universal Replacement (0)
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