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My chimney is falling down and I want to replace it with a standard galvanized pipe. Is a 6" pipe good enough to run from basement to above roof?

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No
the chimney needs to be big enough to carry away combustion products, if the brick chimney has a 10inch square to carry the smoke (100sqin) 28.3sqin for a 6inch round chimney wont do it
needs to withstand combustion heat, mild steel gal wont.
building codes specify what you can use in your region and diameter / house size rules
Selkirk style chimneys sell and are so priced for the reason

Posted on Jul 10, 2008

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Posted on Jan 02, 2017

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Why is water coming out of my furnace exhaust pipe?


When natural gas or propane burns, water vapor is given off within the flu gasses so a bit of condensation in, off and around the flu discharge is quite normal. If it is a high efficiency furnace with the pvc flu pipe, they must be pitched properly BACK TO the furnace so the moisture will drain backwards and out a drain tap at the bottom of the riser. That style of furnace will have TWO drains...one up high for the air conditioner coil and one about 16" up from the bottom of the furnace off of the 'condensing coil' that the flue gasses pass through to extract a much greater amount of heat from the burned gas.

Many flu pipes are installed incorrectly which causes water to drip outside instead of back to the furnace and this usually results in huge icicles hanging off of them in the winter and eventually the partial blockage causes the flu's pressure switch to open.

If you have regular galvanized flu pipe, you have less than a 90% high efficiency furnace and the resultant flu gas temperature is much higher with a much greater quantity of water vapor in it. A little condensation is somewhat normal on the top of the flu cap as the hot moisture laden vapor comes in contact with the cold and dry outside air. If the moisture is all over the galvanized flu pipe in the basement, you are possibly venting into an oversized and unlined masonry chimney. IF that's the case, the chimney should really be lined with a flexible liner and properly connected to the furnace and water heater (if gas fired) with the proper connections and configuration.

Mar 25, 2015 | Heating & Cooling

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Why does my blazeking wood burning stove get creasote in the fire box and how do i get it out?


Hi Darlene,
Creosote consists of combustion byproducts,[smoke] that gradually builds up in the stove & chimney.MOISTURE in the wood,and slow burning greatly increase build-up. 1/4 '' of creosote is considered a hazard. Consult a professional chimney sweep,then burn only 'seasoned' dry hardwood,and when you start or re-kindle the fire,burn it hot enough to thoroughly heat the flue; this will draw the smoke up the chimney faster,decreasing the time build-up can occur. Stay Warm!

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I'm installing a wood stove insert with a 6" flu. Can I use a 5" or 5.5" chimney liner and be ok? Thanks in advance. Jacob Ullucci


If the stove exhaust pipe is 6", you need to have a minimum of 6" all the way up your chimney. If you use a smaller pipe you will limit your flow, which causes excess cooling and crystalizing of smoke creating more creosote, and more of a chance for chimney fire. The perfect solution would be to run a 6" liner down your chimney, and connect it right to the top of your insert. Make sure you install a top plate at the top of the chimney to insure pieces don't fall outside the liner. Lastly install a stainless steel cap to keep any animals out.

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I boughta vermont castings model # 2610 cast iron radiance franklin stove it came w/pipes .............is it a direct vent or a b vent..reason why i am asking is he gave me a "t" pipe w/ screen...


It the opening on the stove is on top of the stove, it's a 'B' vent. If the opening is in the back of the stove it's a "Direct Vent". However, some models have a connection on the back that's facing up,. A 90 degree elbow can be used to convert it to a horizontal run to enter an existing chimney, but then it must elbow up to connect to the pipe that is required to line the chimney. You should not just stop the pipe above the damper. It needs to run all the way to the top of the chimney, then have flashing seal the chimney's clay liner and a termination cap on the top.

here is a link to the Owners Manual/Installation Instructions for a Model 2600. It installs the same way as the 2610. http://homeappliance.manualsonline.com/mdownloads/62b85343-a800-4898-85a1-3d6d3c524259.pdf

Hope this helps you sort things out and do a proper installation.

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I have a 3 year old ge smartwater gas water heater. in our ontario winters, the gravity vented unit spills exhaust into the basement because the pipe and chimney get too cold after the heater is off for...


Id try raising the chimney until you can get the smoke from a piece of paper to get sucked up under the draft hood. I believe theres a different problem then a cold pipe.raising the chim.might not be the answer.

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I have a hotpoint hot water heater it's about 6 years old. When I turn the hot water on it runs very slowly the water pressure is very low and it's like this throughout the house how do I fix this problem...


You have clog in the water line.
Since all hot water pipes are involved, clog is probably near water heater.

Buy pressure gauge at hardware store that threads onto hose connection.
Brady BTG 100 at Amazon
Picture of gauge

Check outdoor pressure for baseline pressure in your home.
Turn off electricity to hot water heater for an hour or two so there is not scalding water.
Open drain valve on water heater to see if water heater is clogged with sediment.
http://waterheatertimer.org/Water-heater-will-not-drain.html

Put pressure gauge on drain valve and compare with outside pressure.
Open hot water spigot on bathtub and see if tank pressure drops ... if tank pressure drops significantly with bathtub spigot on, then clog is on incoming cold water before tank, and could be on outgoing hot water pipes too.
If tank pressure stays about the same, then clog is on outgoing hot water pipes.

Clog can be sediment caught in cold water shut off valve located above tank. Open and close valve and test pressure again. Take apart incoming cold water pipes above tank and check for sediment. Replace valve. Look at condition of cold water nipple on top of tank.

Sediment caught at hot water elbow near tank.
Sediment can fill up old pipes. Take apart hot water pipes above water heater and see condition.
Look at condition of hot water nipple on top of tank.
You may have to take apart pipes up to first or second elbow.

Pipes can decay at joint where copper pipe connects to galvanized pipe. Check for copper to galvanized connections on cold or hot pipes and replace section of galvanized pipe. Copper pipe will probably be good, the galvanized pipe will deteriorate. Replace copper-to-galvanized joint with 3/4" non-conducting union from hardware store

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1 Answer

How much clearance do i need to leave on top of the water heater between the insulation and the chimmney? is the insulation fireproof?


Gas or electric?

1) Electric heater can be completely covered with insulation except TP valve. Set electric heater on insulated surface. Insulate pipes completely right down to tank.

2) Gas heater is different.
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Here's photo with gas water heater insulation tips:
http://waterheatertimer.org/images/Insulate-gas-water-heater.jpg
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

3) Tankless gas. No insulation on box. No pipe insulation within 12". No insulation near vent pipe.

4) How much clearance between heater and chimney?? Not sure what that means. Is that the water heater vent stack? Or where vent stack goes into chimney stack? No insulation on gas flue pipes. Or within 6 inches of 3-4" water heater vent pipes

5) Is insulation fireproof? Everything burns if it's hot enough. If you throw insulation into backyard fire, paper and foil will burn away and insulation kind of falls apart in the heat. Fiberglass insulation cannot be set on fire with a match. Foam pipe insulation will burn.

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Smoke coming in my fireplace


try cracking a window so the vacum sucks the ajr up

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