Commercial Products
Dampers and Accessories
Complete Accessory Program

We complete our mechanical draft systems with a wide range of accessories including dampers, connectors and adapters to ensure your chimney and boiler exhaust systems work together seamlessly. That is one of the advantages of working with a single manufacturer. No need to deal with multiple suppliers hoping everything will go together properly in the field.

MDF Modulating Over-Draft Damper—used to maintain draft in an individual or common chimney with excessive draft
MDF

Modulating Damper used to maintain draft in an individual or common chimney with excessive draft.

ADF Automatic Damper - Flanged—closes the appliance connector when the appliance is shut off
ADF

The Automatic Damper serves as a vent damper that closes the appliance connector, when the appliance is shut off. For chimneys with 1/2" flanged connections.

ADM Automatic Damper - Slip Fittings—closes the appliance connector when the appliance is shut off
ADM

The Automatic Damper is an energy-saving device that closes the appliance connector, when the appliance is shut off. For chimneys with slip connections.

BBF Balancing Baffle - Flanged—fixed position damper used to balance draft in a boiler connector
BBF

Fixed Position Damper used to balance draft in a boiler connector. For chimneys using 1/2" flanged connections.

BBM Balancing Baffle - Slip Fittings—fixed position famper used to balance draft in a boiler connector
BBM

Fixed Position Damper used to balance draft in a boiler connector. For chimneys using slip connections.

SCA Steel Chimney Adapter—provides support for the installation of an RSV chimney fan on a round steel chimney
SCA

Adapter used to provide support for the installation of an RSV chimney fan on a round steel chimney. CAN NOT be used with PowerStack Models.

PLX Plenum Box—provides support for the installation of multiple RSV chimney fans
PLX

Multi-Fan Adapter/Plenum used to provide support for the installation of multiple RSV chimney fans.

RCF Roof Curb—self-flashing type of roof curb and cap designed for use with GSV and EFV models on flat roofs
RCF

The RCF is a self-flashing type of roof curb and cap designed for use with GSV and EFV models on flat roofs.

BDR-F Barometric Damper Regulator - Flanged
BDR-F

The BDR-F Barometric Draft Regulator is a single acting draft control damper made in 316L stainless steel used to provide precise draft regulation on gas or oil fired appliances in commercial and industrial applications.

BDR-M Barometric Draft Regulator with Slip Fittings
BDR-M

The BDR-M Barometric Draft Regulator is a single acting draft control damper made in 316L stainless steel used to provide precise draft regulation on gas or oil fired appliances in commercial and industrial applications.

BDR-C Barometric Draft Regulator fpr EPSC/EPSC+ Special Gas Vent
BDR-C

The BDR-C Barometric Draft Regulator is a single acting draft control damper made in 316L stainless steel for EPSC/EPSC+ special gas vent used to provide precise draft regulation on gas or oil fired appliances in commercial and industrial applications.