The Damper is Installed in a Duct that Delivers Air to the Return or a Dump Zone

The Damper Automatically Open and Close to Maintain a Desired Static Pressure

Energy Star® Rated

Energy Star® Rated

Energy Star® Rated

Blade Closes Off Tightly against Gasket for Minimal Leakage

Fail-Safe, Normally Open Operation

Simple, Easy-to-Wire, 2-Wire Installation

Blade Closes Off Tightly against Gasket for Minimal Leakage

Fail-Safe, Normally Open Operation

Simple, Easy-to-Wire, 2-Wire Installation

Blade Closes Off Tightly against Gasket for Minimal Leakage

Fail-Safe, Normally Open Operation

Simple, Easy-to-Wire, 2-Wire Installation

Adjustable Closed Position Range Stops

Male (Crimped) and Female (Uncrimped) Ends to Connect to any Rigid or Flexible Round Duct

Rated to Operate up to 1 Inch WC

Blade Closes Off Tightly against Gasket for Minimal Leakage

Fail-Safe, Normally Open Operation

Simple, Easy to Wire, 2-Wire (M1 and M6) Installation

Blade Closes Off Tightly against Gasket for Minimal Leakage

Fail-Safe, Normally Open Operation

Simple, Easy-to-Wire, 2-Wire Installation

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

Shipped as Power Closed/Spring Return Open Damper

Can be Field-Converted to Power Open/Spring Return Closed Damper

Blade Closes Off Tightly against Gasket for Minimal Leakage

Robust Push Terminal

Common Sense LEDs

Clean, Professional Installation

Smaller Footprint

Variable Speed Fan Control

Robust Push Terminals

Common Sense LEDs

Clean, Professional Installation

Smaller Footprint

Variable Speed Fan Control

Advanced Dual-Fuel Operation

RedLINK Enabled for up to 4 Wireless Zones When Used with THM4000R1000 Wireless Adapter

Intuitive Installer Setup with Easy-to-Follow, Digital Display Uses Real Language to Guide Installer through Configuration Robust Push Terminals

Common Sense LEDs

Clean, Professional Installation

Smaller Footprint

Variable Speed Fan Control

Universal Application for any HVAC System Using Conventional Thermostat Wiring

Standard Checkout Procedure Ensures Correct Operation before Leaving the Job