Easy Slide-In Installation

2.5 Volt Amp Allows for Many Dampers on One Zone

Quiet, Long Life Motor Automatically Shuts Itself Off in Full Open and Closed Positions

Gaskets Around Blade and Under Motor Housing for Low Internal Leakage and Very Low External Leakage

Range Stops with Easy Adjustment from Top of Motor

Easy to See and Reliable Mechanical Blade Position Indicator

Easy to Hook up with Conventional Thermostat Wire

Simple Manual Blade Positioning with Pushbutton Gear Release

Mechanical Visual Position Indicator for Damper Status

Solid Construction Using Extruded Aluminum Frame and Blades

Parallel Blade Design for Low Leakage Performance

Simple, Easy-to-Wire, Two Wire Installation

Fail-Safe, Normally Open Operation

Damper Can be Installed in any Orientation

Reliable, Strong, 24 Volt Spring Return Motor

Taping Flange and Non-Interfering Set Screw

High Temperature Outer Plastic for Hot Environments

Redesigned all Metal Drive Train Gears

Front Facing Display with LED Indication Light for Open and Close

Adjustable Damper Position Range Stops

Quiet Operation

Mechanical Visual Position Indicator for Damper Status

Solid Construction Using Extruded Aluminum Frame and Blades

Parallel Blade Design for Low Leakage Performance

Simple, Easy-to-Wire, Two Wire Installation

Fail-Safe, Normally Open Operation

Damper Can be Installed in any Orientation

Reliable, Strong, 24 Volt Spring Return Motor

Taping Flange and Non-Interfering Set Screw

High Temperature Outer Plastic for Hot Environments

Redesigned all Metal Drive Train Gears

Front Facing Display with LED Indication Light for Open and Close

Adjustable Damper Position Range Stops

Quiet Operation

Mechanical Visual Position Indicator for Damper Status

Solid Construction Using Extruded Aluminum Frame and Blades

Parallel Blade Design for Low Leakage Performance

Simple, Easy-to-Wire, Two Wire Installation

Fail-Safe, Normally Open Operation

Damper Can be Installed in any Orientation

Reliable, Strong, 24 Volt Spring Return Motor

Taping Flange and Non-Interfering Set Screw

High Temperature Outer Plastic for Hot Environments

Redesigned all Metal Drive Train Gears

Front Facing Display with LED Indication Light for Open and Close

Adjustable Damper Position Range Stops

Quiet Operation

Mechanical Visual Position Indicator for Damper Status

Solid Construction Using Extruded Aluminum Frame and Blades

Parallel Blade Design for Low Leakage Performance

Simple, Easy-to-Wire, Two Wire Installation

Fail-Safe, Normally Open Operation

Damper Can be Installed in any Orientation

Reliable, Strong, 24 Volt Spring Return Motor

Taping Flange and Non-Interfering Set Screw

High Temperature Outer Plastic for Hot Environments

Redesigned all Metal Drive Train Gears

Front Facing Display with LED Indication Light for Open and Close

Adjustable Damper Position Range Stops

Quiet Operation

Mechanical Visual Position Indicator for Damper Status

Solid Construction Using Extruded Aluminum Frame and Blades

Parallel Blade Design for Low Leakage Performance

Simple, Easy-to-Wire, Two Wire Installation

Fail-Safe, Normally Open Operation

Damper Can be Installed in any Orientation

Reliable, Strong, 24 Volt Spring Return Motor

Taping Flange and Non-Interfering Set Screw

High Temperature Outer Plastic for Hot Environments

Redesigned all Metal Drive Train Gears

Front Facing Display with LED Indication Light for Open and Close

Adjustable Damper Position Range Stops

Quiet Operation

Mechanical Visual Position Indicator for Damper Status

Solid Construction Using Extruded Aluminum Frame and Blades

Parallel Blade Design for Low Leakage Performance

Simple, Easy-to-Wire, Two Wire Installation

Fail-Safe, Normally Open Operation

Damper Can be Installed in any Orientation

Reliable, Strong, 24 Volt Spring Return Motor

Taping Flange and Non-Interfering Set Screw

High Temperature Outer Plastic for Hot Environments

Redesigned all Metal Drive Train Gears

Front Facing Display with LED Indication Light for Open and Close

Adjustable Damper Position Range Stops

Quiet Operation

Mechanical Visual Position Indicator for Damper Status

Solid Construction Using Extruded Aluminum Frame and Blades

Parallel Blade Design for Low Leakage Performance

Simple, Easy-to-Wire, Two Wire Installation

Fail-Safe, Normally Open Operation

Damper Can be Installed in any Orientation

Reliable, Strong, 24 Volt Spring Return Motor

Taping Flange and Non-Interfering Set Screw

High Temperature Outer Plastic for Hot Environments

Redesigned all Metal Drive Train Gears

Front Facing Display with LED Indication Light for Open and Close

Adjustable Damper Position Range Stops

Quiet Operation

Mechanical Visual Position Indicator for Damper Status

Solid Construction Using Extruded Aluminum Frame and Blades

Parallel Blade Design for Low Leakage Performance

Simple, Easy-to-Wire, Two Wire Installation

Fail-Safe, Normally Open Operation

Damper Can be Installed in any Orientation

Reliable, Strong, 24 Volt Spring Return Motor

Taping Flange and Non-Interfering Set Screw

High Temperature Outer Plastic for Hot Environments

Redesigned all Metal Drive Train Gears

Front Facing Display with LED Indication Light for Open and Close

Adjustable Damper Position Range Stops

Quiet Operation

Mechanical Visual Position Indicator for Damper Status

Solid Construction Using Extruded Aluminum Frame and Blades

Parallel Blade Design for Low Leakage Performance

Simple, Easy-to-Wire, Two Wire Installation

Fail-Safe, Normally Open Operation

Damper Can be Installed in any Orientation

Reliable, Strong, 24 Volt Spring Return Motor

Taping Flange and Non-Interfering Set Screw

High Temperature Outer Plastic for Hot Environments

Redesigned all Metal Drive Train Gears

Front Facing Display with LED Indication Light for Open and Close

Adjustable Damper Position Range Stops

Quiet Operation

Mechanical Visual Position Indicator for Damper Status

Solid Construction Using Extruded Aluminum Frame and Blades

Parallel Blade Design for Low Leakage Performance

Simple, Easy-to-Wire, Two Wire Installation

Fail-Safe, Normally Open Operation

Damper Can be Installed in any Orientation

Reliable, Strong, 24 Volt Spring Return Motor

Taping Flange and Non-Interfering Set Screw

High Temperature Outer Plastic for Hot Environments

Redesigned all Metal Drive Train Gears

Front Facing Display with LED Indication Light for Open and Close

Adjustable Damper Position Range Stops

Quiet Operation

Mechanical Visual Position Indicator for Damper Status

Solid Construction Using Extruded Aluminum Frame and Blades

Parallel Blade Design for Low Leakage Performance

Simple, Easy-to-Wire, Two Wire Installation

Fail-Safe, Normally Open Operation

Damper Can be Installed in any Orientation

Reliable, Strong, 24 Volt Spring Return Motor

Taping Flange and Non-Interfering Set Screw

High Temperature Outer Plastic for Hot Environments

Redesigned all Metal Drive Train Gears

Front Facing Display with LED Indication Light for Open and Close

Adjustable Damper Position Range Stops

Quiet Operation