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#1
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Venting options for relocated HW heater (w/pics)
I am renovating my basement and part of the project involves
relocating a HW heater. I was contemplating getting a tankless unit, but I decided to stay with a conventional unit. Here are some pics: http://picasaweb.google.com/mikerock...eat=directlink I would like to move it 3 feet to the left inside the furnace room to gain more space by the window. As you can see the 3" HW heater exhaust duct is to the right of the 6" furnace duct when it goes into the chimney. So relocating it to that spot was my first choice. But then I started contemplating possibly moving to the left of the furnace duct. This would free up some space in the furnace room. But the HW heater duct could not tie in to the existing duct in the chimney because of the height of the HW heater( 50 gallon tall model). Anotherwords I would have to go under the 6" duct, then back up, which I know you can't do. My question is can I tie in the HW heater duct to the existing 6" furnace duct, possibly using a Tee of some sort? For both options I have verified clearance for servicing/replacing HW heater or furnace. Also I am not keeping my old unit since its 8+ years old and a 40 Gallon model out of warranty, I am getting a new 50 gallon unit and roughing it in. |
#2
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Venting options for relocated HW heater (w/pics)
"Mikepier" wrote in message ... I am renovating my basement and part of the project involves relocating a HW heater. I was contemplating getting a tankless unit, but I decided to stay with a conventional unit. Here are some pics: http://picasaweb.google.com/mikerock...eat=directlink I would like to move it 3 feet to the left inside the furnace room to gain more space by the window. As you can see the 3" HW heater exhaust duct is to the right of the 6" furnace duct when it goes into the chimney. So relocating it to that spot was my first choice. But then I started contemplating possibly moving to the left of the furnace duct. This would free up some space in the furnace room. But the HW heater duct could not tie in to the existing duct in the chimney because of the height of the HW heater( 50 gallon tall model). Anotherwords I would have to go under the 6" duct, then back up, which I know you can't do. My question is can I tie in the HW heater duct to the existing 6" furnace duct, possibly using a Tee of some sort? For both options I have verified clearance for servicing/replacing HW heater or furnace. Also I am not keeping my old unit since its 8+ years old and a 40 Gallon model out of warranty, I am getting a new 50 gallon unit and roughing it in. Knock out the furnace cement around both stove pipes, open the hole as necessary, move the 6" pipe to the right side, and the 3" to the left, patch it back with furnace cement and your done |
#3
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Venting options for relocated HW heater (w/pics)
On Sun, 16 Jan 2011 17:56:14 -0800 (PST), Mikepier
wrote: I am renovating my basement and part of the project involves relocating a HW heater. I was contemplating getting a tankless unit, but I decided to stay with a conventional unit. Here are some pics: http://picasaweb.google.com/mikerock...eat=directlink I would like to move it 3 feet to the left inside the furnace room to gain more space by the window. As you can see the 3" HW heater exhaust duct is to the right of the 6" furnace duct when it goes into the chimney. So relocating it to that spot was my first choice. But then I started contemplating possibly moving to the left of the furnace duct. This would free up some space in the furnace room. But the HW heater duct could not tie in to the existing duct in the chimney because of the height of the HW heater( 50 gallon tall model). Anotherwords I would have to go under the 6" duct, then back up, which I know you can't do. My question is can I tie in the HW heater duct to the existing 6" furnace duct, possibly using a Tee of some sort? For both options I have verified clearance for servicing/replacing HW heater or furnace. Also I am not keeping my old unit since its 8+ years old and a 40 Gallon model out of warranty, I am getting a new 50 gallon unit and roughing it in. There's a few ways to do it, depending on codes and work involved. Even if you don't care about the code, it might bite you if you sell. You have the best look at the flue runs and can decide what's best. Knocking out the fire cement might direct you one way or another. I've seen some recommendations that the small flue should be above the big one - don't know if it's code anywhere. My HW vent is directly above the furnace vent. My last house they were side by side. Here's something about using a Y vent to exhaust both. http://www.ehow.com/how_7506103_vent...same-flue.html It mentions to check code. Personally I would knock out the fire cement and see what it would take to put the HW flue above the furnace flue, then decide. Seems that fits in with your tall HW tank. I would check the code first. .. BTW your unpainted basement walls look like mine, even that window. I've been wanting to paint the walls since I moved in 13 years ago to brighten things up. What paint did you use, and do you recommend it? --Vic |
#4
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Venting options for relocated HW heater (w/pics)
BTW your unpainted basement walls look like mine, even that window.
I've been wanting to paint the walls since I moved in 13 years ago to brighten things up. What paint did you use, and do you recommend it? Its not paint, it Throroseal. I buy the 5 gallon buckets of powder at HD. You mix with water and use a masonry brush. Leaves a nice stucco type of finish and seals the walls pretty good. I'm framing out the walls and sheetrocking. I just checked the specs on my Trane furnace and it actually calls for a 4" vent, but they installed some kind of limit switch at the output and used a 6" vent. http://picasaweb.google.com/mikerock...eat=directlink I really did not want to start breaking up the cement to move the ducts. Maybe there is a reason why the previous owners could not put the HW heater duct above the furnace duct. If the 6" duct is oversized, perhaps that will allow me to tie in the HW heater. |
#5
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Venting options for relocated HW heater (w/pics)
?
"Mikepier" wrote My question is can I tie in the HW heater duct to the existing 6" furnace duct, possibly using a Tee of some sort? No, that is a code violation and may be too much for the 6" to handle. I'd go with what RBM suggested. Check out what kind of vent is needed on the new one also. Rheem makes a power vent model that just needs a PVC pipe. I have no idea of the cost or if they are as trouble free as most water heaters are. |
#6
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Venting options for relocated HW heater (w/pics)
On Jan 16, 10:53*pm, Mikepier wrote:
BTW your unpainted basement walls look like mine, even that window. I've been wanting to paint the walls since I moved in 13 years ago to brighten things up. What paint did you use, and do you recommend it? Its not paint, it Throroseal. I buy the 5 gallon buckets of powder at HD. You mix with water and use a masonry brush. Leaves a nice stucco type of finish and seals the walls pretty good. I'm framing out the walls and sheetrocking. I just checked the specs on my Trane furnace and it actually calls for a 4" vent, but they installed some kind of limit switch at the output and used a 6" vent. http://picasaweb.google.com/mikerock...eat=directlink I really did not want to start breaking up the cement to move the ducts. Maybe there is a reason why the previous owners could not put the HW heater duct above the furnace duct. If the 6" duct is oversized, perhaps that will allow me to tie in the HW heater. Well if you live where it gets very cold, I would give serious thought to a 95+ high efficency furnace that direct vents thru the wall. Your furnace isnt pictured, but new furnaces cost less to operate and are much smaller too. How old is your furnace? Energy costs only go up you would save energy, gain at least some space, be rid of the big furnace exhaust pipe thats trying to heat the outside..... At least its worth considering I like the upgrade to the 50 gallon water heater, although it was only a little cheaper than the 75 gallon 75K BTU tank I installed last summer |
#7
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Venting options for relocated HW heater (w/pics)
Well if you live where it gets very cold, I would give serious thought
to a 95+ high efficency furnace that direct vents thru the wall. Your furnace isnt pictured, but new furnaces cost less to operate and are much smaller too. How old is your furnace? Energy costs only go up you would save energy, gain at least some space, be rid of the big furnace exhaust pipe thats trying to heat the outside..... At least its worth considering I like the upgrade to the 50 gallon water heater, although it was only a little cheaper than the 75 gallon 75K BTU tank I installed last summer- Hide quoted text - - Show quoted text - I have a Trane XR 80 furnace about 7 years old, so I'm not looking to change my furnace now. |
#8
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Venting options for relocated HW heater (w/pics)
OK, after waking up this morning, I'm having second thoughts now. I
realize if I put the HW heater behind the furnace, it might cause some servicing problems. Here are some pics of the furnace clearances ( don't mind the mess, its temporary). http://picasaweb.google.com/mikerock...eat=directlink The first pic shows where I wanted to put the HW heater, behind the furnace to the left of the vent, but there is only 26 inches from the furnace to the foundation wall. The HW heater is 20 inches round. That might cause problems if I had to service the furnace. Originally I thought it was fine, but now I realize it might not be. The second pic shows where I originally wanted to put the HW heater, to the right of the vent. Putting it there would leave clearance around the furnace. The HW heater would be diagonally across from the furnace. And plus I can use the existing flue pipe. Just curious what everyone else thinks. |
#9
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Venting options for relocated HW heater (w/pics)
wrote in message ... On Jan 16, 10:53 pm, Mikepier wrote: BTW your unpainted basement walls look like mine, even that window. I've been wanting to paint the walls since I moved in 13 years ago to brighten things up. What paint did you use, and do you recommend it? Its not paint, it Throroseal. I buy the 5 gallon buckets of powder at HD. You mix with water and use a masonry brush. Leaves a nice stucco type of finish and seals the walls pretty good. I'm framing out the walls and sheetrocking. I just checked the specs on my Trane furnace and it actually calls for a 4" vent, but they installed some kind of limit switch at the output and used a 6" vent. http://picasaweb.google.com/mikerock...eat=directlink I really did not want to start breaking up the cement to move the ducts. Maybe there is a reason why the previous owners could not put the HW heater duct above the furnace duct. If the 6" duct is oversized, perhaps that will allow me to tie in the HW heater. Well if you live where it gets very cold, I would give serious thought to a 95+ high efficency furnace that direct vents thru the wall. Your furnace isnt pictured, but new furnaces cost less to operate and are much smaller too. How old is your furnace? Energy costs only go up you would save energy, gain at least some space, be rid of the big furnace exhaust pipe thats trying to heat the outside..... At least its worth considering I like the upgrade to the 50 gallon water heater, although it was only a little cheaper than the 75 gallon 75K BTU tank I installed last summer I had a problem when renovating a bathroom that had a bump-out around the water heater's class "B" vent. I changed the water heater to a A.O. Smith Vertex high efficiency tank style, just two 2" pipes through the basement wall, no need to bother with the chimney. It was a little pricey, but it is so fast that you cannot use the water fast than it can heat it up and it just sips the gas, my bill has gone down about $25.00 a month. |
#10
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Venting options for relocated HW heater (w/pics)
"Mikepier" wrote in message ... I am renovating my basement and part of the project involves relocating a HW heater. I was contemplating getting a tankless unit, but I decided to stay with a conventional unit. Here are some pics: http://picasaweb.google.com/mikerock...eat=directlink I would like to move it 3 feet to the left inside the furnace room to gain more space by the window. As you can see the 3" HW heater exhaust duct is to the right of the 6" furnace duct when it goes into the chimney. So relocating it to that spot was my first choice. But then I started contemplating possibly moving to the left of the furnace duct. This would free up some space in the furnace room. But the HW heater duct could not tie in to the existing duct in the chimney because of the height of the HW heater( 50 gallon tall model). Anotherwords I would have to go under the 6" duct, then back up, which I know you can't do. My question is can I tie in the HW heater duct to the existing 6" furnace duct, possibly using a Tee of some sort? For both options I have verified clearance for servicing/replacing HW heater or furnace. Also I am not keeping my old unit since its 8+ years old and a 40 Gallon model out of warranty, I am getting a new 50 gallon unit and roughing it in. A Y fitting is usually used and the only rule that I know of is that the merged pipe must be able to handle the exhaust of both appliances. Mine does that in my basement, a code approved and inspected installation in 1995. A 6" pipe seems large for a furnace so it may already be oversized. -- Colbyt Please come visit http://www.househomerepair.com |
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