Question about Elements of Design DS491 1/2" Inlet Copper Pipe Application, hidden access

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What is a Vent?

What is a vent, and what does it do for the plumbing system?

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If you look on your roof, you will see pipes sticking out of the roof aprox 12" high. For every pipe that goes down, one needs to go up. The obvious reason we have vents is that sewer gases need to be vented outside of the dwelling. Not so obvious is what happens if they are not included in the waste and vent design. Imagine yourself at McDonalds drinking a soda from a straw. If you put your thumb over the straw, you can pull liquid up from the cup.

Posted on Aug 27, 2008

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Cracked Selkirk METALBESTOS gas vent pipe on 80% efficiency furnace (Trane XE80)


I would check with a local furnace company that installs Tranes and ask if they sell to the public, if so buy it.

Oct 12, 2012 | Selkirk METALBESTOS 104082 ROUND GAS VENT...

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I have a 3 ft stainless double wall chimney that is going thru a ceiling/roof in my garage. there were no instructions on installation. how is this secured? Pls thx Jer


You can use metal strapping with short self-tapping sheet metal screws also where it penetrates roof a metal collar on inside should be used and a roof collar approved for B-wall vent pipe to keep water from leaking inside on outside on the roof.You can penetrate outside of B-wall vent pipe with short screws to secure the pipe just don't penetrate both pipes.this outside pipe is just a insulator to keep heat from transferring through pipe.

May 01, 2011 | Selkirk METALBESTOS 104082 ROUND GAS VENT...

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When I turn the water on it comes out of the spout and out of the vent cover are there repair kits for these. I took the vent cover off and the water is coming through the bushing that is threaded down in...


I am guessing that the vent cover you are refering to is the vacuum breaker cap on the top of the faucet. The vacuum breaker is there to prevent water from being sucked back into the system. If that is what you are refering to then yes they do make parts for them, but you will need to know the manufacturers name and possibly the model, then start calling or surfing around. Hope this helps.

May 10, 2010 | Frost Free Sillcock, 12"

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I have to install a 3' x 1-1/2'' tee in a 3'' vertical ABS plumbing stack. I will use a 3'' flexible coupling to connect the pipes below the new tee. My question is - When I reconnect the vertical 3''...


That should be ok . but if you can use 2 ferncoes(flexible couplings made of rubber &hose clamps) . then you can cut it to fit corectly. make shure not to pull pipe out of the boot on roof, could cause leak, asueming this is a 3" vent stack.

Oct 30, 2009 | Pipes, Fittings & Valves

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Dryer's vent hose Problem


Wait for the dryer to cool. Unplug the vent hose and inspect its entire length for snags in the pipe. Make sure the vent is not obstructed on the outside wall, and fit a flap or screen to keep out small animals. If your vent pipe is punctured or damaged, you should replace it.

Aug 27, 2008 | Elements of Design DS492 1/2" Inlet Copper...

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How to Install plumbing in the basement?


A sewer ejector pump is the answer. The waster line is run into the sump basin, pumped through a checkvalve into  the sewer line that grades with gravity.  A vent pipe needs to be run also, (you can't pump out without replacing the air, it's like trying to suck air out of a bottle) If you add a high water alarm, which is a good idea. It is run off of a separate electrical breaker (insurance) to let you know if the pump isn't working before it's flood time.  The check valve makes sure, that what you pump out, stays out. Otherwise the pump will keep cycling.

Aug 27, 2008 | West Brass WestBrass Faucet Master Large...

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Vent Pipe Question


In the majority of buildings, yes - it depends on the type of building and the building regulations. The purpose of the open vent pipe is to relieve any positive pressure in the drainage system. In buildings up to ten storeys high, one open vent is recommended to relieve the constant positive pressure build-up that can occur if the main sewer is blocked for some time. In higher buildings the positive pressure generated is in transient form, so each stack would need an open vent.

Aug 27, 2008 | Elements of Design 1/2 Inlet Copper Pipe...

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Vent Pipe Installation


More than 3 90° bends will disrupt airflow. We also do not recommend any horizontal lengths (no matter how short) or downward dips of the pipe. Fasten your pipe to the structure with the supplied brackets to prevent settling.

Aug 27, 2008 | West Brass WestBrass Faucet Master...

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