Questions tagged [venting]

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1answer
57 views

My dryer isn't fully exhausting to the outside?

I recently bought a townhouse which has laundry in the finished basement. I noticed that our clothes took a bit more than an hour to dry in the dryer, so I wondered if there were any lint blockages. I ...
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2answers
63 views

Should old openings in a plywood roof deck be closed before installing steel?

My metal roofer removed all 14 old vents and installed two new "Maximum ventilators" in its place. The remaining 12 holes are still there and not sealed and i can see the underside of the ...
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1answer
99 views

Is it safe to remove vent and cap off unused drain

I am in the process of renovating my kitchen and removed a wall. I discovered a closed off drain and a vent that goes through the ceiling. There does not appear to be anything else tied into the vent. ...
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1answer
38 views

Combining (dry) vents for fewer roof penetrations

I am remodeling and in the process need to move part of the vent stack. A simplified sketch of my existing plumbing situation across multiple floors is shown (pencil). I am proposing to eliminate vent ...
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1answer
155 views

Venting a portable a/c into another room that is closed off with the window open

I have a portable air conditioner in my bedroom, and I use it only at night when I am sleeping, and only maybe 10 nights a year. I hate to block up the window with the unwieldy vent hose set-up ...
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0answers
29 views

Smell from laundry drain, possibly no vent?

Just purchased a home that was renovated. Appears to have not been by a professional, nothing major but small things. Not sure what to do on this one. There is a smell coming from the in wall drain....
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2answers
86 views

S Trap conversion - not enough room

I'm getting some gurgling from my kitchen sink which I think is due to this S trap. No ventilation. I want to convert to a P trap, and bring an AAV into the situation but with the current PVC layout ...
3
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3answers
973 views

Can I share a dryer vent with a portable A/C unit?

I want to add a portable A/C unit in our sun room which also houses our washer/dryer. Rather than vent the A/C thru a window I'd like to know if I could utilize the dryer venting by using a Y ...
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1answer
36 views

Do I really need a 1200 CFM Hood for a 48" Range?

We just purchased a 48" ZLine range with 7 burners. The information about all this CFM is very confusing. Do I really need a 1200 CFM hood?
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0answers
34 views

Why does my toilet still get air bubbles?

Bubbles = bad ventilation, right? I've got a 1st story toilet which has air bubbles on every flush. It does not bubble after/before and water is not siphoned out/in when other plumbing is used. I'm ...
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0answers
52 views

Understanding sink drains with S trap / no trap

This is an >100yo apartment in the northeast USA. I'm on the third floor/top floor, and the kitchen sink drain appears to have an extended S-trap going into the floor. The piping seems to be done ...
7
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3answers
224 views

How can I remove a stud to fit a range hood vent?

Our kitchen contractor screwed up and forgot to move a stud and plumbing in an exterior wall to accommodate a vented range hood. Cabinets and countertops are now installed. The photo shows what is ...
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2answers
273 views

What prevents rain or snow from going down a concentric vent?

I am looking to possibly install concentric vents through the roof for two tankless water heaters I have. But I am concerned about rain coming back down the vent and damaging my water heaters. All ...
1
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1answer
57 views

Have you used a core drill on a foundation wall?

I'm looking to use a 4" core drill on a poured concrete foundation wall. The hole will be about 2" or so down from the top of the wall. The rental place has a handheld core drill with a ...
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0answers
226 views

Venting Dryer to Outside Through Foundation Wall OR Vent?

I'm relocating and replacing the ducting to vent my electric dryer that is located in the middle of my home. I'm using 4" galvanized duct, I've installed a Dryer Box on the back (2x6) wall of my ...
4
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1answer
69 views

Multiple concentric vent kits

I have two concentric vent kits I need to poke through the roof. One is for my furnace and the other for my tankless water heater. I want to place them near each other for aesthetic reasons, but I ...
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2answers
56 views

Is a condensing tankless heater that expels excess water outside also a dehumidifier?

I understand that a condensing tankless water heater will recycle that extra heat and only vent the heat that it cannot use; this is why they have a greater efficiency. But the water that condenses ...
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0answers
28 views

Rearguard vent issue on Kenmore gas range

Vent in rearguard of gas range is outputting too much heat on top of stove; can we adjust this? it was changed when range was moved recently.
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2answers
108 views

Venting a 96% furnace

I would like to use the existing exhaust ducting from a previous furnace to run the two pvc pipes for 96% furnace up through. I would cut the existing ducting in the attic to run the pvc out the roof. ...
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2answers
86 views

Lack of soffit vents with the use of ridge vents on a 1941 home

[Home is in Georgia] I made the mistake of installing ridge vents on my home last year without any soffit vents. I have since learned that doing so will actually cause the air to be drawn from all ...
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3answers
528 views

Need to move the dryer vent up by 3ft

I just bought a stacking washer/dryer machine and I need to relocate my floor dryer vent by 3ft above the floor so that I can push my machine all the way against the wall. This will give me about ...
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2answers
740 views

Dryer Venting for 1984 Condo

We are in the process of buying a circa 1984 condo. The dryer is not presently vented to the outside, and I do not know if it ever was. It currently vents inside to a water-filled lint catch basin. I ...
3
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1answer
171 views

Does my new bathroom plumbing need a cleanout?

I am working on new plumbing for an addition we just built. Does anyone see any issues? Do I need a clean-out at the end of the run? I plan on using a 3" elbow in lieu of a combo to keep ...
31
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6answers
8k views

How do I fix this 30 ft (9 m) dryer vent abomination?

The previous owner left a bit of a headache with the dryer venting setup. Context: This is a gas dryer The living room is behind the right hand side wall, so that's a no-go as far as drilling The ...
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0answers
82 views

Will this work for a wet vent?

I am not sure if I properly understand the wet vent concept so here is the question. The current bathroom apparently has no dry venting. I am moving the sink from the point marked on the wall just ...
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1answer
138 views

Finishing attic with static vent

I have a 1920s building with a gable roof that has a 10' peak. I'm going to finish the space and had an engineer detail the specs for structural safety, but I'm stuck on the appropriate way to provide ...
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0answers
135 views

Venting a hot garage, how much cooler can it get with an exhaust fan?

I life in Miami and the garage gets very hot in the summer and I am trying to cool it down so I can workout in it. The basics are: I'm looking at this product: iLiving - 10" Wall Mounted Exhaust ...
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1answer
96 views

How can I insulate my porch floor?

I have a wooden screened-in porch on a cabin that I am remodeling, with approximately 30 inches from the ground to the bottom of the porch tongue-and-groove boards. I am considering insulating the ...
1
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3answers
790 views

Can insulation touch the roof sheathing in a sloped garage roof without soffit vents?

I am beginning to install fiberglass insulation in my garage and want know if I have done the ceiling wrong. The issue is that the insulation touches the roof sheathing in the sloped area below that I ...
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0answers
27 views

can a bathroom or kitchen exhaust airt through a vent placed in the outter edge of the soffit and pointing down and out

Can a bathroom or kitchen range vent out through a vent-unit placed on the outter-edge of a soffit if it is pointing down and away from the house?
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0answers
181 views

How many twists and turns can a vent pipe take?

I'm replacing a bathtub in the basement and by the looks of it, its trap is not vented. I want to know if I can put a vent pipe in the location I've identified as most feasible and secondly, if it's ...
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0answers
51 views

Best way to install new vent pipe?

In my house, the kitchen is on one side of the house, and bathrooms on the other side. For some reason, the kitchen drains are not vented at all, but bathrooms are. I would like to vent the kitchen ...
1
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0answers
169 views

Using a single pipe off the main drain for a washer and utility sink, venting?

I am renovating my bathroom. I am using this as an opportunity to additionally: Move my washer and dryer from the mudroom, into the garage. Add a utility sink to the garage. The current plumbing ...
1
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1answer
439 views

When to vent new half bathroom plumbing

I am planning the install of a new half bathroom in an existing space in my home. There is currently one full bathroom, that is on the second story of the house. The soil/vent stack runs vertically ...
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1answer
4k views

Plumbing utility sink into washing machine with no vent

So I currently have a washing machine that has its hose running into a 2" standpipe that is coming out of my basement floor. A humidifier hose and AC hose also squeezes into that standpipe and it's ...
2
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1answer
144 views

Bathroom Toilet + Shower Venting Fitting Question

Is this acceptable layout and appropriate fittings to use for the bathroom toilet on the left and shower on the right? Or would you replace any fitting and rearrange layout?
1
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1answer
76 views

Wet venting of added bathroom sketch -question is this layout OK?

I am adding a master bathroom shower, toilet and double vanity to an abutting wall of a full bathroom, Is this wet venting good if I tie into existing 2" shower vent in the shared wall?
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4answers
119 views

how to vent an electric dryer when outdoors isn't option

We have a building on the 3rd floor of a 4 floor building that we are building a loft in, It is in an historic area, we are in the middle of the block downtown. size 21'wide x 180'long, left and ...
1
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1answer
105 views

I have 5 natural gas appliances in my basement, can I replace just one with a power vented exhaust?

I live in a 3-family house. I have 3 chimneys and want to eventually remove one of them. One of the furnaces in the basement is gravity venting through the chimney to be removed. Now I need to replace ...
1
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1answer
2k views

Can dryer ducting be placed near gas line?

We are reconfiguring the laundry room on the main level of our house in Toronto, Canada. There is an existing exterior dryer vent but it is on the oppsite side of the room where the dryer will now be ...
3
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3answers
3k views

How to cut round hole in aluminum soffit after installation

Related question After having our roof re-configured and larger overhangs added, I noticed that the contractor placed the bathroom exhaust vent that used to go out the side wall just under the eaves ...
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2answers
333 views

Does a fixture connected directly to the ground stack (vented) need to be vented separately?

I'm adding a shower in the basement (there was a half-bathroom already) and the new drain is literally right by the stack (probably few feet away, 3-4' max), so I would think the air coming from the ...
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0answers
134 views

Is an inline dryer vent booster fan recommended?

In my house the nature of the construction causes the rigid vent pipe for the dryer vent to be about 22 to 23 feet long including the vertical rise in the wall behind the dryer. The 4 inch diameter ...
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1answer
2k views

Venting basement bathroom rough in

I'm a DIY-er with a lot of experience in some phases of construction but not much in plumbing (so please be nice to my dumb questions!). I'm finishing a basement with a full bathroom, and thought I'd ...
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1answer
75 views

Planning to switch to a tankless water heater

I am planning to convert to a tankless water heater but have a few questions to make sure I am on the correct path. I live in a rowhouse in Philadelphia where natural gas is used for heat and my ...
0
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1answer
41 views

Can I place a bathroom vent fan lower on a wall if I increase the CFM?

I know it is ideal to mount a bathroom vent fan on the ceiling, or as high up the wall as possible (steam rises, right?). However, due to physical constraints of running the ductwork the only place I ...
1
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1answer
23 views

High elevation non- pv Burnham boiler with Tejurland powerventer installed at sea level [duplicate]

I have a 203ncl-tei2 boiler installed in danvers Massachusetts. This town is at sea level, not 2000k miles up. This boiler also has a failed tejurland (universal control) powerventer motor on it that ...
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0answers
42 views

U.s. boiler / Burnham boiler alterations

i have a 203ncl-tei2 boiler installed in danvers Massachusetts. Regular elevation. This boiler also has a failed tejurland (universal control) powerventer motor on it that is only humming, not ...
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2answers
2k views

Double-vanity sinks drain slowly -- venting problem?

When I turn on the water to my double-vanity bathroom sinks, water begins pooling within the bowl after only a few seconds. The drain lines below the sinks appear to be clear (there is no debris in ...
1
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1answer
98 views

Venting Bathroom Exhaust Fan

Can I run the bathroom fan vent into the already installed sewer vent? Previously it was just vented into the attic but is causing mold to grow up there because of the moisture.