Honeywell Home AQ25042B/U Boiler Control Panel, DIP Switch User Interface, 4 Zones, 24 VAC 0.5 A 12 VA Boiler Output

BrandHoneywell Home
MFR Part NoAQ25042B/U
TSCO Part Number420073

Features

  • Use with AQ1000 two-wire communicating thermostats or most dry contact digital thermostats
  • Offers zoning control for up to four zones and controls up to two stages of heat from a single thermostat
  • Can expand up to 16 zones with AQ255 or AQ257 or up to 64 zones with AQ254 Add-A-Temp panels
  • Line or low voltage output for zoning equipment including pumps or valves
  • Features zone synchronization through the zone or greatest demand control
  • Includes domestic hot water priority override protection and boiler short cycling protection
  • Automated test feature for quick start-up and simplified troubleshooting