External Indicator Lights

Simplified Wiring

Compact Design

Extra Set of Dry Contacts

Universal Thermostat Compatibility

Sturdy Screw Connections

Made in USA

Extremely reliable design: Clutch-protected drive train, durable synchronous motor

Easy to install and service: Compact design with snap-on actuator with a convenient in-line push button. Removable bottom cap allows for easy in-pipe service

Application versatility: Hot water, chilled water and low-pressure steam

Lead-Free

Up to 93% less energy usage

Universal Installation Orientation

Usable on Condensing Chilled Water Installations

12 valves on one 40 Volt Amp transformer

Multi-Function LED

Quick Connect Wiring

Pushbutton actuator replacement

Easy wire quick connections Manual override button

Positional indicator

Protect floors and ceilings from water damage

Pre-Drilled for 1 Inch Drain

Field-adjustable dwell-feed cycles

Multi-color LED status indicator

Hard-stop limit to minimize chances of flooding the boiler

Compatible with all electronic and mechanical

Low Water Cut Offs

Removable strainer (replace after cleaning)

Lead-Free

Simple to install with a straight in-line full flow design

Integral patented air release mechanism

Simple to install with a straight in-line full flow design

Integral patented air release mechanism

Simple to install with a straight in-line full flow design

Integral patented air release mechanism

Simple to install with a straight in-line full flow design

Integral patented air release mechanism

Simple to install with a straight in-line full flow design

Integral patented air release mechanism

Simple to install with a straight in-line full flow design

Integral patented air release mechanism

No bypass, isolating valves or replacement filters to clog and reduce flow

Dirt can be flushed while the system is in full operation

Quiet operation

Minimum pressure drop

always constant

Increased component life

Reduced oxygen-based corrosion and pump cavitation

Provides optimum heat transfer

Optional removable head for bundle inspection

No bypass, isolating valves or replacement filters to clog and reduce flow

Dirt can be flushed while the system is in full operation

Quiet operation

Minimum pressure drop

always constant

Increased component life

Reduced oxygen-based corrosion and pump cavitation

Provides optimum heat transfer

Optional removable head for bundle inspection

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

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

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

Low Seat Leakage Rating, Less than 0.05 Percent

Spring Loaded, Self-Adjusting Packing

Constant Total Flow Throughout Full Stem Travel

Accurate Positioning to Ensure State-Of-The-Art Temperature Control

Valves Utilize Direct Mounting, Electric or Pneumatic Valve Actuators

Q5001 Linkage with Modutrol Motor

Repack and Rebuild Kits Available for Field Servicing

Low Seat Leakage Rating, Less than 0.05 Percent

Spring Loaded, Self-Adjusting Packing

Constant Total Flow Throughout Full Stem Travel

Accurate Positioning to Ensure State-Of-The-Art Temperature Control

Valves Utilize Direct Mounting, Electric or Pneumatic Valve Actuators

Q5001 Linkage with Modutrol Motor

Repack and Rebuild Kits Available for Field Servicing

Direct and Reverse Acting

High Pressure Steam Models with Stainless Steel Trim

Spring-Loaded, Self-Adjusting Packing

Stainless Steel Stem Prevents Corrosion

Valve Designs Provide Equal Percentage Characteristics of Flow for Close Control of Water and Linear Characteristic of Flow for Close Control of Steam or Chilled Water

Direct and Reverse Acting

High Pressure Steam Models with Stainless Steel Trim

Spring-Loaded, Self-Adjusting Packing

Stainless Steel Stem Prevents Corrosion

Valve Designs Provide Equal Percentage Characteristics of Flow for Close Control of Water and Linear Characteristic of Flow for Close Control of Steam or Chilled Water

Designed with the Higher Capacity Normally Required by North American Heating System

Valve Seat Disc, Which is Made of Resilient Material (EPDM), Ensures Tight Shutoff on Steam or Hot Water System

All Working Parts are Replaceable Using Service Tool While Valve Remains in Service, In-line, Under Pressure

Valves Normally Open without Control Mounted

Designed with the Higher Capacity

Precise and Automatic Control of Room Temperature in Two-Pipe Systems by Modulating the Flow of Hot Water or Steam Through High Capacity Heating Unit

Normally Open without Control Mounted

Designed with the Higher Capacity

Precise and Automatic Control of Room Temperature in 2-Pipe Systems by Modulating the Flow of Hot Water or Steam Through High Capacity Heating Unit

Normally Open without Control Mounted

The pump is of the canned rotor type, i.e. pump and motor form an integral unit without shaft seal and with only two gaskets for sealing The bearings are lubricated by the pumped liquid

Lead-Free

The pump is of the canned rotor type, i.e. pump and motor form an integral unit without shaft seal and with only two gaskets for sealing The bearings are lubricated by the pumped liquid

The pump is of the canned rotor type, i.e. pump and motor form an integral unit without shaft seal and with only two gaskets for sealing The bearings are lubricated by the pumped liquid

The pump is of the canned rotor type, i.e. pump and motor form an integral unit without shaft seal and with only two gaskets for sealing The bearings are lubricated by the pumped liquid

The pump is of the canned rotor type, i.e. pump and motor form an integral unit without shaft seal and with only two gaskets for sealing The bearings are lubricated by the pumped liquid

Pump and motor form an integral unit without shaft seal and with only two gaskets for sealing

The bearings are lubricated by the pumped liquid Ceramic shaft and radial bearings, Carbon axial bearing, Stainless steel rotor can and bearing plate