Honeywell AQ25042B - Boiler Control Panel, 4 Zone, Expandable to 16 Zones

Boiler Control Panel, 4 Zone, Dip Switches, Used with AQ1000 2 Wire Thermostats, 30 Second Boiler Heat Post Purge, 24 Vac R-C Input, Low Voltage B-B Communication Bus Terminals, Low Voltage Zone Module Thermostat Input, 120-240 Vac ZR-ZC Contact Rating, Wire Clamp Screw Terminals, Expandable to 16 Zones

Features:

Zone Synchronization
Domestic Hot Water Priority and Priority Override
Boiler Post Purge
Boiler Short Cycling Protection
Freeze Protection
Pump/Valve Exercise
Auto Test
Auto Purge
Compatible with any Digital Thermostat
Intuitive Color Coded Wiring Terminals

Specifications:

Manufacturer: Honeywell
Manufacturer Part Number: AQ10X38
Product Type: Pump/Zone Valve Relay Control Panel
Type: 4-Zone
Switch Type: DIP
Input Supply Rating: 120VA @ 60Hz
Temperature Rating: 32 to 130 Degrees F (Panel), -58 to 230 Degrees F (Sensor)
Media Handled: Hot Water
R-C Output (On Transformer): 38VA @ 24VAC Class II
R-C Input (On Control and Zoning Module): 24VAC Class II
Humidity: 5% to 90% RH (Non-Condensing)
Electrical Connection Wire Clamp Screw Terminal, 2 x 14 AWG Each on Line Voltage Terminal
Dimensions: 10.95" x 17.55" x 5.8"
Weight: 7.11 lb.
Used For: AQ1000 2-Wire Thermostats