Gas fireplace venting for direct vent and B-vent units in Fullers
The vent is part of your fireplace's listing. Our pros repair it with listed parts, test the burn and leave you the record.
- Licensed & insured
- Locally run
- Family owned and operated
- Same-day service available
What our Fullers crew measures at the vent cap
These checks decide whether a vent run is right for your fireplace, and our Fullers crew writes each result down before any work.
- Vent type confirmed as direct vent or B-vent
- Run length compared with the maker's vent graph
- Finish repairs after access, priced line by line
- Your 10% discount for booking within 72 hours, listed on the estimate
What goes into a sound vent run in Fullers
Notes from our gas fireplace vent technicians in Fullers.
A sealed firebox that takes its air from outdoors
A direct-vent gas fireplace pulls every bit of its combustion air in from outdoors through the vent pipe, as one maker's manual puts it, and sends the exhaust back out the same route. On most units the pipe is two pipes in one, with exhaust in the smaller inner pipe and fresh air moving in the space around it.
Because the room's air plays no part in the fire, the glass front is part of the seal too. Our pros treat the cap, the pipe and the glass as one system and check all three before blaming any single part.
Two liners down an old masonry chimney
Some gas inserts vent through an existing masonry chimney using two flexible liners, one bringing fresh air down and one carrying exhaust up. In one maker's co-linear kit, that means a 3 inch intake liner, a 4 inch exhaust liner, an adapter on the appliance and a co-linear termination with flashing at the top.
The same instructions allow the co-linear part of the vent only inside a solid-fuel-burning fireplace and chimney. Our specialists confirm the chimney qualifies before recommending this route in Fullers.
Shrubs, vines and fences growing into the vent
Plants grow toward open wall space, and a sidewall cap is often surrounded by it. Bushes and fences are two of the obstructions one maker keeps at least 24 inches from the front of the termination hood.
Our pros check for vines on the cap itself, which can block its openings, and measure the space in front of it. We tell you how much trimming the manual asks for, and a quick check after each growing season keeps the cap clear.
Headaches or nausea near a gas fireplace
One direct-vent manual describes early carbon monoxide poisoning as feeling like the flu, with headaches, dizziness or nausea, and says those signs can mean the fireplace was not installed properly. If anyone feels this way while it runs, switch it off, move everyone out to fresh air and dial 911 from outside if anyone is unwell.
The same manual says some people are more affected than others, including pregnant women, people with heart or lung disease or anemia and those at high altitudes. The fireplace stays off until a technician has found the cause.
Two sets of instructions for one vent
Vent work usually involves two documents. One direct-vent manual tells the installer to read both the fireplace manual and the vent kit instructions before starting, and a B-vent fireplace manual points to the pipe maker's own installation instructions.
Our crew keeps both in hand. The fireplace manual sets the limits for the appliance, and the vent maker's instructions set how the pipe goes together. Where they differ, the stricter rule governs the repair.
Other work in Fullers
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What people in Fullers ask about fireplace vents
Quick answers from our gas fireplace vent team in Fullers. Anything else, just call.
How often should a gas fireplace vent be checked?
One direct-vent manual asks for the fireplace and venting system to be inspected before first use and at least once a year, with the outside cap checked regularly for debris. Our free inspection is a simple way to start.
What does a B-vent fireplace need from its vent?
Type B pipe listed to UL 441, a listed cap and enough height. The Florida fuel gas code asks for the vent to end at least 5 feet above the draft hood, and the manual adds limits on offsets, elbows and slope.
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