AQ252 Aquatrol® Boiler Universal Injection/Mixing Boiler Reset Controls

• Simplified, energy-efficient outdoor temperature compensated control of single-temperature, residential hydronic heating systems
• Works with AQ1000 2-wire communicating thermostats or most digital drycontact thermostats
• Controls (1) boiler and (1)mixing (either variable speed injection or floating valve mixing) loop in a hydronic zoning system
• Converts a single zone heating system into a room-by-room comfort control system, or upgrades a basic, relay-logic zoning system to intelligent zone of greatest demand control with outdoor reset for increased energy efficiency with reduced boiler cycling
• Zoning Control for up to (4) zones as shipped; can be expanded to a total of (16) zones with AQ255 or AQ257 expansion zoning panels and up to (64) zones when used with AQ254 Add-A-Temp panels