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Greenville, NC (252)752-9141
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New Bern, NC (252)638-1009
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Kinston, NC
(252)523-8255
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GVD Series Vent Damper
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Improves Gas Boiler Efficiency. Keeps Cold Air Out, Warm Air
In.
Ref: GVD Vent Damper
Product Description
The GVD Series Vent Damper works automatically to allow natural draft
during appliance operation while preventing residual appliance heat and
conditioned air from escaping during off cycles. It also prevents the
infiltration of cold air during down drafts. It’s made of stainless steel
and is available in 8 sizes, 4" through 10" and 12".
Safety Features
Dual safety switches allow the burner to fire only when the damper is in
the open position. This unit will not interfere with existing appliance
safety controls, when properly installed.
Operational Features
• Operates with all 24 VAC, 60hz intermittent ignition and standing pilot
ignition systems.
• Stainless steel construction provides superior corrosion resistance.
• Damper operation: power opens in 15 seconds, power closes in 15 seconds.
Power is off at damper motor when it is at rest.
• Hold open switch allows damper to be placed in an open position and taken
out of service to assist with trouble shooting appliance problems.
• Keyed wiring harness connector plug installs only one way, preventing
incorrect wiring connection.
| Dimensions
(inches) |
| Model |
Pipe Size |
Length |
Height |
Clearance |
Exposed Pipe |
|
A |
B |
C |
D |
E |
| GVD-4PL |
4 |
6 1/16 |
8 7/8 |
15/16 |
4 13/16 |
| GVD-5PL |
5 |
6 1/16 |
9 7/8 |
15/16 |
4 13/16 |
| GVD-6PL |
6 |
6 1/2 |
10 7/8 |
1 3/16 |
5 1/4 |
| GVD-7PL |
7 |
7 1/16 |
11 7/8 |
1 7/16 |
5 13/16 |
| GVD-8PL |
8 |
8 1/16 |
12 7/8 |
1 15/16 |
6 13/16 |
| GVD-9PL |
9 |
10 1/8 |
13 7/8 |
3 |
8 7/8 |
| GVD-10PL |
10 |
12 1/8 |
14 7/8 |
4 |
10 7/8 |
| GVD-12PL |
12 |
12 1/8 |
16 7/8 |
4 |
10 7/8 |
| All dimensions are in inches and are
approximate. Specifications subject to change. For the most
current specifications. |
How the GVD Works
The GVD Vent Damper is installed in the vent pipe, after the draft
hood, or barometric. During off cycles, it remains closed, preventing
air flow through the vent. When there is a call for heat, the motor is
energized, rotating the damper 90 degrees to an open position. Opening
and closing takes approximately 15 seconds. When the damper is fully
open, the burner is allowed to fire and flue gases pass freely through
the vent. When the thermostat is satisfied, the burner stops, and the
damper automatically closes. For service and trouble shooting, the
damper can be locked in the open position.
Electrical Specifications
• Minimum wiring requirements: 24 VAC • 18 gauge • 105şC
• Power requirements: 3 watts at 24 VAC, 60 Hz, when opening or
closing 
Improves Gas Boiler
Efficiency.
Keeps Cold Air Out, Warm Air In.
Call to order
1-252-523-8255
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Service Territory - Kinston, Deep Run, Pink Hill, Seven
Springs, Trenton, Comfort, Dover, Cove City, LaGrange, Snow Hill, Grifton, Ayden, Farmville, Bethel, Greenville,
Winterville, Grimesland, Simpson, Blackjack, Vanceboro, Oriental, New Bern, Emerald Isle, Atlantic Beach, Pine
knoll shores, James City, Havelock, Pollocksville, Goldsboro, Lenoir County, Wayne County, Pitt County, Craven
County, Pamlico County, Onslow County, Jacksonville, North Carolina, NC, Eastern North Carolina.
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