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Resideo AQ25042B Hydronic Control Panel 4-Zone Boiler

Resideo

$423.95

OEM / cross-reference: AQ2504B2, AQ2504B4, AQ25A4B2, AQ25A4B4
Fits brands: Honeywell, Taco, Erie, Argo

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SKU:: AQ25042B
UPC:
Product Type:: Hydronic Control Panel
Subcategory:: Boiler Zoning Control
Application:: Residential
System Type:: Boiler, Hydronic Heating, Radiant Floor
Installation Type:: OEM Replacement
Voltage:: 24V AC
Voltage Class:: Low Voltage
Mounting Type:: Wall Mount
Temperature Range:: 32°F to 125°F
Fuel Type:: Natural Gas
Material:: Plastic Housing
Control Type:: Programmable

Description

The Resideo AQ25042B is a microprocessor-controlled hydronic boiler panel for single-temperature residential heating systems with up to 4 zones or 2 two-stage zones. It converts single-zone systems into room-by-room comfort control and upgrades relay-logic zoning with Zone of Greatest Demand synchronization. Features DHW priority, boiler short cycling protection, post purge, and compatibility with AQ1000 2-wire communicating thermostats or standard dry contact digital thermostats. Expandable to 16 zones with additional modules.