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120 VAC, 12 A, 1-Zone, Switching Relay

Front Diagnostic Lights

Switchable Priority

Built-In Priority Protection

Simplified Wiring

Premium Sealed Relays

Compact Design

Fuse Protected

100 Percent Factory Tested

Isolated End Switch

Contractor Friendly PC Board Layout

Universal Thermostat Compatibility

24 Volt Power Output for Hard Wired Thermostats

Field Replaceable Transformer

UL Approved

Made in USA

Item#:
65427
Manufacturer Item:
SR501-4
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120 VAC, 15 A, 2-Zone, Switching Relay with Priority

Front Diagnostic Lights

Switchable Priority

Built-In Priority Protection

Simplified Wiring

Premium Sealed Relays

Compact Design

Fuse Protected

100 Percent Factory Tested

Isolated End Switch

Contractor Friendly PC Board Layout

Universal Thermostat Compatibility

24 Volt Power Output for Hard Wired Thermostats

Field Replaceable Transformer

UL Approved

Made in USA

Item#:
65428
Manufacturer Item:
SR502-4
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120 VAC, 15 A, 3-Zone, Expandable Switching Relay with Priority

Front Diagnostic Lights

Switchable Priority

Built-In Priority Protection

Simplified Wiring

Premium Sealed Relays

Compact Design

Fuse Protected

100 Percent Factory Tested

Isolated End Switch

Contractor Friendly PC Board Layout

Universal Thermostat Compatibility

24 Volt Power Output for Hard Wired Thermostats

Field Replaceable Transformer

Add-On Power Control Plug

Built-In Post Purge and Pump Exercise Functions

Switchable Primary Circulator Output

Two Boiler Contacts, Utilizes Full Functionality of Mod-Con Boilers

Expandable to 20 Zoning Panels

Interface with EXP Zone Valve Controls

UL Approved

Made in USA

Item#:
65429
Manufacturer Item:
SR503-EXP-4
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120 VAC, 20 A, 4-Zone, Expandable, Switching Relay with Priority

Front Diagnostic Lights

Switchable Priority

Built-in Priority Protection

Simplified Wiring

Premium Sealed Relays

Compact Design

Fuse Protected

100% Factory Tested

Isolated End Switch

Contractor Friendly PC Board Layout

Universal Thermostat Compatibility

24 Volt Power Output for hard wired thermostats

Field Replaceable Transformer

Item#:
65450
Manufacturer Item:
SR504-EXP-4
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120 VAC, 20 A, 6-Zone, Expandable, Switching Relay with Priority

Front Diagnostic Lights

Switchable Priority

Built-in Priority Protection

Simplified Wiring

Premium Sealed Relays

Compact Design

Fuse Protected

100% Factory Tested

Isolated End Switch

Contractor Friendly PC Board Layout

Universal Thermostat Compatibility

24 Volt Power Output for hard wired thermostats

Field Replaceable Transformer

Item#:
65453
Manufacturer Item:
SR506-EXP-4
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13" x 3-3/8" x 8", 120 VAC 60 Hz, 4-Zone, Panel for Boiler Control

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

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16-1/2" x 3-3/8" x 8", 120 VAC at 60 Hz, 4-Zone, Mixing Injection, Hydronic Zoning Boiler Reset Control Panel

LCD Screen, Customizable Control Setting, Ability to Display Outdoor Temperature on Thermostat, Programmable Auxiliary Relay to Add System Versatility

Outdoor Reset or Load Reset, 0 to 10 Volt DC Output to Run Modulating Boiler, Support for 1 A/C Compressor and up to 64 Zones of Cooling

The Ability to Control 2-Temperatures with Injection Pump or Mixing Valve

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5-1/8" x 2-1/8" x 6-3/4", 120 VAC 60 Hz 1-Phase, 15 A Load, 1-Zone, Switching Relay for Hydronic Pro Zoning System

Familiar Setup-If you Know How to Install an Existing Panel, You can Install Ours Too, We Offer the Same Board Layout and Matching Functionality as Competitive Product

Status Panel -LED Panel is Visible and Functional Whether the Cover is on or off Which Gives the Installer the Ability to Quickly Troubleshoot the System Saving Time and Effort

Flex Panel Mounting - Gravity Centered Hang Hole Makes Quick Work of Mounting

Hinged Door and Quarter Turn Access Screw - Quarter Turn Access and Hinge Off Front Cover Make Access Quick and Easy While Still Providing Safety

Simple Layout Cover - Control Board is Covered to Reduce Visual Clutter and Provide a Surface on Which to Print Full Color Terminal Labels. Easy-to-Understand Labels Coded to Wire Colors will Increase Installation Speed and Decrease Errors

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11-3/4" x 2-1/8" x 8-3/4", 120 VAC 60 Hz 1-Phase, 15 A Load, 3-Zone, Switching Relay for Hydronic Pro Zoning System

Familiar Setup-If you Know How to Install an Existing Panel, You can Install Ours Too, We Offer the Same Board Layout and Matching Functionality as Competitive Product

Status Panel -LED Panel is Visible and Functional Whether the Cover is on or off Which Gives the Installer the Ability to Quickly Troubleshoot the System Saving Time and Effort

Flex Panel Mounting - Gravity Centered Hang Hole Makes Quick Work of Mounting

Hinged Door and Quarter Turn Access Screw - Quarter Turn Access and Hinge Off Front Cover Make Access Quick and Easy While Still Providing Safety

Simple Layout Cover - Control Board is Covered to Reduce Visual Clutter and Provide a Surface on Which to Print Full Color Terminal Labels. Easy-to-Understand Labels Coded to Wire Colors will Increase Installation Speed and Decrease Errors

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11-3/4" x 2-1/8" x 8-3/4", 120 VAC 60 Hz 1-Phase, 20 A Load, 6-Zone, Switching Relay for Hydronic Pro Zoning System

Familiar Setup-If you Know How to Install an Existing Panel, You can Install Ours Too, We Offer the Same Board Layout and Matching Functionality as Competitive Product

Status Panel -LED Panel is Visible and Functional Whether the Cover is on or off Which Gives the Installer the Ability to Quickly Troubleshoot the System Saving Time and Effort

Flex Panel Mounting - Gravity Centered Hang Hole Makes Quick Work of Mounting

Hinged Door and Quarter Turn Access Screw - Quarter Turn Access and Hinge Off Front Cover Make Access Quick and Easy While Still Providing Safety

Simple Layout Cover - Control Board is Covered to Reduce Visual Clutter and Provide a Surface on Which to Print Full Color Terminal Labels. Easy-to-Understand Labels Coded to Wire Colors will Increase Installation Speed and Decrease Errors

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10-1/4" x 2-1/8" x 7-1/2", 120 VAC 60 Hz 1-Phase, 1 A, 3-Zone, Valve Controller for Hydronic Pro Zoning System

Familiar Setup-If you Know How to Install an Existing Panel, You can Install Ours Too, We Offer the Same Board Layout and Matching Functionality as Competitive Product

Status Panel -LED Panel is Visible and Functional Whether the Cover is on or off Which Gives the Installer the Ability to Quickly Troubleshoot the System Saving Time and Effort

Flex Panel Mounting - Gravity Centered Hang Hole Makes Quick Work of Mounting

Hinged Door and Quarter Turn Access Screw - Quarter Turn Access and Hinge Off Front Cover Make Access Quick and Easy While Still Providing Safety

Simple Layout Cover - Control Board is Covered to Reduce Visual Clutter and Provide a Surface on Which to Print Full Color Terminal Labels. Easy-to-Understand Labels Coded to Wire Colors will Increase Installation Speed and Decrease Errors

Item#:
73867
Manufacturer Item:
HPZC103/U
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11-3/4" x 2-1/8" x 7-1/2", 120 VAC 60 Hz 1-Phase, 1.8 A, 6-Zone, Valve Controller for Hydronic Pro Zoning System

Familiar Setup-If you Know How to Install an Existing Panel, You can Install Ours Too, We Offer the Same Board Layout and Matching Functionality as Competitive Product

Status Panel -LED Panel is Visible and Functional Whether the Cover is on or off Which Gives the Installer the Ability to Quickly Troubleshoot the System Saving Time and Effort

Flex Panel Mounting - Gravity Centered Hang Hole Makes Quick Work of Mounting

Hinged Door and Quarter Turn Access Screw - Quarter Turn Access and Hinge Off Front Cover Make Access Quick and Easy While Still Providing Safety

Simple Layout Cover - Control Board is Covered to Reduce Visual Clutter and Provide a Surface on Which to Print Full Color Terminal Labels. Easy-to-Understand Labels Coded to Wire Colors will Increase Installation Speed and Decrease Errors

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10-1/4" x 2-1/8" x 7-1/2", 120 VAC 60 Hz 1-Phase, 4-Zone, Valve Controller

Compatible with most thermostats, including power-stealing and electromechanical models

C-terminal available for every thermostat connection

The LED panel is visible and functional whether the cover is on or off, saving troubleshooting time

The gravity centered hang hole speeds mounting and the included DIN rail mounting system offers an additional option

Easy-to understand labels coded to wire colors increase installation speed and decrease the risk of errors

The covered control board reduces visual clutter and provides a surface for clear, plain language labeling

Item#:
73869
Manufacturer Item:
HPZC104/U
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120 VAC 60 Hz 1-Phase, Quick Screw Terminal, 4-Zone, Switching Relay

Compatible with most thermostats, including power-stealing and electromechanical models

C-terminal available for every thermostat connection

The LED panel is visible and functional whether the cover is on or off, saving troubleshooting time

The gravity centered hang hole speeds mounting and the included DIN rail mounting system offers an additional option

Easy-to understand labels coded to wire colors increase installation speed and decrease the risk of errors

The covered control board reduces visual clutter and provides a surface for clear, plain language labeling

Item#:
73870
Manufacturer Item:
HPSR104/U
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