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

Automated Test Feature for Quick Start-Up and Simplified Troubleshooting

Provides Intermediate Switching of a Line and Low Voltage Devices from a Line or Low Voltage Controller and is Typically Applied in Hydronic Heating Systems

Replaceable Socketed Relays

Two Troubleshooting LED

Replaceable Transformer Fuse

Push to Test Button

Low Voltage Contact Rating for PowerPile Applications

Long Life DC Relay Drive Control Technology

Two-Way On-Off Low Voltage Valves Consist of an Actuator and Valve Assembly for Controlling the Flow of Hot Water

Manual Opener (On All Models, Except Straight-Through, Normally Open Valves) for Valve Operation on Power Failure

Valve Returns to Automatic Position When Power is Restored

All Models May be Installed without Disassembling the Valve

Compact Construction for Easy Installation

Complete Powerhead May be Removed or Replaced without Breaking Plumbing Line Connections or Draining the System

Actuator Motor May be Replaced without Removing the Valve Body or Draining the System

Two Way On-Off Low Voltage Valves Consist of an Actuator and Valve Assembly for Controlling the Flow of Hot Water

Manual Opener (On All Models, Except Straight Through, Normally Open Valves) for Valve Operation on Power Failure

Valve Returns to Automatic Position When Power is Restored

All Models May be Installed without Disassembling the Valve

Compact Construction for Easy Installation

Complete Powerhead May be Removed or Replaced without Breaking Plumbing Line Connections or Draining the System

Actuator Motor May be Replaced without Removing the Valve Body or Draining the System

Provide Intermediate Switching of a Line Voltage Device from a Low Voltage Controller

Integral Transformer Provides Low Voltage Power For Control Circuit

Two Way On-Off Low Voltage Valves Consist of an Actuator and Valve Assembly for Controlling the Flow of Hot Water

Manual Opener (On All Models, Except Straight Through, Normally Open Valves) for Valve Operation on Power Failure

Valve Returns to Automatic Position When Power is Restored

All Models May be Installed without Disassembling the Valve

Compact Construction for Easy Installation

Complete Powerhead May be Removed or Replaced without Breaking Plumbing Line Connections or Draining the System

Actuator Motor May be Replaced without Removing the Valve Body or Draining the System

2-Way On-Off Low Voltage Valves Consist of an Actuator and Valve Assembly for Controlling the Flow of Hot Water

Manual Opener (On All Models, Except Straight-Through, Normally Open Valves) for Valve Operation on Power Failure

Valve Returns to Automatic Position when Power is Restored

All Models May be Installed without Disassembling the Valve

Compact Construction for Easy Installation

Complete Power Head May be Removed or Replaced without Breaking Plumbing Line Connections or Draining the System

Actuator Motor May be Replaced without Removing the Valve Body or Draining the System

Two-Way On-Off Low Voltage Valves Consist of an Actuator and Valve Assembly for Controlling the Flow of Hot Water

Manual Opener (On All Models, Except Straight-Through, Normally Open Valves) for Valve Operation on Power Failure

Valve Returns to Automatic Position When Power is Restored

All Models May be Installed without Disassembling the Valve

Compact Construction for Easy Installation

Complete Powerhead May be Removed or Replaced without Breaking Plumbing Line Connections or Draining the System

Actuator Motor May be Replaced without Removing the Valve Body or Draining the System