Sign In

Need Help? Call 860-621-7391 or Toll Free 1-800-982-6806

Need Help? Call 860-621-7391 or Toll Free 1-800-982-6806

Expand Navigation

Shop By Category
HVAC Equipment

Condensers

Heat Pumps

Evaporator Coils

Gas Furnaces

Fan Coils

Hydro Air Handlers

Oil Furnaces

Unit Heaters

Packaged Units

Mini Splits

Install Components
Duct & Fittings

Trunk Duct

Boots & Boxes

Take-Offs

Duct Fittings

Wall Stack

Oval Pipe & Fittings

Pipe, Elbows, and Fittings

Fiber Glass Take-Offs

Slip & Drive Material

Flat Sheets
Insulation & Flex

Flex

R4

R6

R8

Uninsulated

Mobile Home

Pipe Sleeves

View All

Bubble Wrap

Reflectix

Thermo MFG

View All

Knauf

Wrap

Liner

Duct Board

View All
Indoor Air Quality

Humidifiers

Flow Thru Humidifiers

Powered Humidifiers

Steam Humidifiers

View All

Filters

Fiber Glass

Pleated

Media Filters

Water Panels

Washable Filters

View All

Air Cleaners

Air Cleaner Filter Box

Electronic Air Cleaners

View All

Combustion Air, Power Venters and Draft Regulators

UV Lights

Dehumidifiers
Register & Grilles

Floor Grilles & Registers

Wall/Ceiling Grilles & Registers

Baseboard Grilles & Registers

Lay-in Diffusers

Filter Grilles

Spiral Diffusers
Zoning & Controls

Zone Panel

EWC Panels

Honeywell

View All

Zone Dampers

Bypass Dampers

Round Motorized Dampers

Rectangle Motorized Dampers

View All

Thermostat

Ecobee Thermostats

Honeywell Stats

PRO1

View All
Tools

Tool Bags

Service Tools

Sheetmetal Tools
Pipe & Fittings

ZoomLock MAX

Linesets

PVC

Copper

Gas Pipe
About Us
Contact Us

Navigation loading...

HVAC Equipment
Duct & Fittings
Insulation & Flex
- Flex
  - R4
  - R6
  - R8
  - Uninsulated
  - Mobile Home
  - Pipe Sleeves
- Bubble Wrap
  - Reflectix
  - Thermo MFG
- Knauf
  - Wrap
  - Liner
  - Duct Board
Indoor Air Quality
Register & Grilles
Zoning & Controls
Tools
Pipe & Fittings
- ZoomLock MAX
- Linesets
- PVC
- Copper
- Gas Pipe

HART & COOLEY BUTTERFLY DAMPER

Register & Grilles>Lay-in Diffusers>HART & COOLEY BUTTERFLY DAMPER

HART & COOLEY BUTTERFLY DAMPER

Product #: 3812-12

Description

HART & COOLEY BUTTERFLY DAMPER

EA

Add To Cart

Other Products to Consider…

EA

Add To Cart

Related Products Added

View Cart
Close

Account Login

Submit

Home
About Us
Contact Us
My Account

Friend Us On Facebook
Follow Us On Instagram

Inform e-Commerce - Developed by DDI System LLC