Gas Fireplace Damper Clip

Technician jonathan details what a damper clamp is why you need it and how to use it.

Gas fireplace damper clip.

In some jurisdictions it is a building code requirement that dampers be permanently open for gas fireplace logs. The damper stop clamp is installed on the chimney damper blade to prevent accidental full closure of the damper while the gas log set is burning in your fireplace it is required in many areas to keep the damper from closing all the way. If the damper is at the top of the flue and is opened and closed by a chain does it require a clip. To make sure the damper never gets completely closed on a gas log fireplace there is supposed to be a damper clip installed.

A damper does not need to be used to control a gas fireplace fire and it can be very dangerous to use a gas fireplace with a damper in the closed position. They produce more heat than vented gas fireplaces. Rectangular and circle shape dampers. It attaches to the damper blade in both metal box type fireplaces or brick masonry fireplaces.

This damper clip will prevent the damper from closing all the way and is supposed to prevent the exhaust gases from coming back in to the house. The damper stop clamp is installed on the chimney damper blade to prevent accidental full closure of the damper while the gas log set is burning in your fireplace it is required in many areas to keep the damper from closing all the way. The exception to the open damper rule is in a vent free gas insert. All gas log manufacturers require a clip on the damper to prevent co2 flumes from entering the house when the pilot goes out if you have gas logs.

The reason for this is that using the gas logs with the damper closed would put deadly carbon monoxide in the house. These units are designed to be clean burning and to produces low levels of waste gas so they do not need to be vented through the damper and out the chimney. Fireplace damper clamps are typically used for gas fireplace inserts or gas logs sets where it s required for the damper to be in fully open position at all times. It attaches to the damper blade in both metal box type fireplaces or brick masonry fireplaces.

Note that there are basically two types of damper shapes one is a round one or square shape found in manufactures fireplaces and the other is a rectangular metal blade found in site built brick stone masonry fireplaces. With old style wood fires the smoke will tell you the damper is closed.