What is the minimum distance a direct vent termination can be from the service regulator vent outlet?
12 inches
The vent termination of a direct vent application must terminate at least 12 inches from any opening through which flue gases may enter a building (door, window, or gravity air inlet).
How far does a exhaust vent need to be away from a window?
The exhaust vent terminal should be at least three feet above the forced air inlet. Any door, window, or gravity air inlet into a building must be at least 12-inches above the vent terminal.
How far does exhaust need to be from intake?
For all environmental air exhaust: 3 feet (914 mm) from property lines; 3 feet (914 mm) from operable openings into buildings for all occupancies other than Group U, and 10 feet (3048 mm) from mechanical air intakes. Such exhaust shall not be considered hazardous or noxious.
How far can a gas vent be from a window?
The vent terminal shall be at least 12-inches below, 12-inches horizontally from, or 12-inches above, any door, window, or gravity air inlet into a building.
What is the minimum access clearance on the burner side for a direct vent water heater?
It is recommended that a minimum clearance of four (4) inches (10.2 cm) be provided on the side of the water heater for servicing and maintenance of the combination temperature and pressure relief valve.
How close can a flue be to a window?
30-60cm
Distance from windows and doors
The exact distance will depend on the size of your home but, generally, the regulations prevent a boiler flue from being situated within 30-60cm of a window or door. This is to prevent harmful gases from exiting the flue and then re-entering the property through an open door or window.
How close can a flue be to a gas pipe?
Typically this is around 30-60cm if it’s to the side or above the opening, and a bit more if it’s below. This is because the waste generated by combustion can include dangerous gasses like carbon monoxide, so you don’t want that waste gas too close to an opening where it might re-enter the home.
Where can a direct vent fireplace be installed?
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What is the code for venting a gas fireplace?
A gas vent shall terminate in accordance with one of the following: 1. Gas vents that are 12 inches (305 mm) or less in size and located not less than 8 feet (2438 mm) from a vertical wall or similar obstruction shall terminate above the roof in accordance with Figure 503.6. 5.
Are direct vent fireplaces safe?
Direct Vent gas fireplaces can be operated safely without the use of electricity. A direct vent fireplace has a completely sealed combustion chamber which allows it to vent directly out a side wall or through the ceiling of your home.
Can a direct-vent fireplace heat a room?
Direct vent gas fireplaces and inserts come in a broad range of sizes, efficiently producing heat almost anywhere in the home. Given the venting flexibility, wide range of styles and the fact that a chimney is not required for installation, direct vent appliances are well-suited to just about any type of home and room.
Is direct vent better than B vent?
Direct-vent appliances are typically higher in efficiency than b-vent appliances and put out a lot of heat even with a low flame setting. Cons: Direct fireplaces have a sealed glass front and typically a smaller flame than a b-vent fireplace or a vent-free fireplace.
How efficient are direct vent fireplaces?
A direct vent gas fireplace would typically have an efficiency of around 70%, which would be similar to our forms of wood burning stove. A ventless gas fireplace can provide a similar efficiency rating as an electric fireplace of up to 100%.
Do direct vent fireplaces need a hearth?
However, natural vent gas fireplaces often require a hearth while direct vent and ventless versions may not, depending on the manufacturer requirements and local building codes and regulations.
Can a direct-vent fireplace be installed on an interior wall?
Direct Vent gas fireplaces require outside air for combustion and exhaust – that’s why they are so often installed on outside walls of homes. But what if that perfect spot for a fireplace is on an interior wall? No problem!
What is code for a fireplace hearth?
Per California fireplace hearth dimensions code as published on UpCodes, if the firebox, or the opening of the fireplace, is less than 6 feet square, then the requirement is that the hearth must stick out at least 16 inches to the front and 8 inches on either side of the opening.
