Questions tagged [venting]

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35 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
56 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
42 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 ...
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1answer
32 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 ...
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1answer
16 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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24 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
67 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 ...
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1answer
43 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.
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43 views

Dryer venting for two?

I have two apartments over each other and each have a dryer that shares the same vent to outside.They connect together inside the building.The issue is the apartment up stairs receives the air from ...
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2answers
37 views

Properly venting water heater

My water heater vent runs to the basement wall. Right underneath (maybe 6 inches) is an opening (I’m not sure if that runs to where the vent goes out or not). Attaching a picture. Is there any reason ...
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2k views

Why are loop (Chicago) vents typically built with three elbows?

Loop vents, for use where direct vents aren't feasible (such as in kitchen island cabinets), are typically drawn, built, and described as comprising three elbow fittings--two 45-degree elbows and one ...
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1answer
90 views

Plumbing venting into apartment

I am a renter and my house often smells overbearing of sewers gas. I guess this is a two part question. The smell cures up from all the drains and I’ve made the landlord aware of this, she has not ...
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31 views

Do I need to vent a crawlspace?

We just completed a 20x20 great room addition on the side of our house with a 4 foot crawl space and poured concrete floor. There is a 4’ by 4’ cut through to access this crawl space from the existing ...
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1answer
46 views

Tankless water heater venting

Most of the images show 90 degree angles for the venting. Can I run mine at a 45 degree angle like the image below?
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2answers
265 views

Is the ventilation in my utility closet a construction mistake?

With colder weather here in Northern Colorado (down to 22° F) my Goodman 90% efficiency furnace (GKS90453BX) came on for the first time in the (ca. 2005) home that I recently moved into. The furnace ...
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2answers
1k views

Bathroom Vent Fan Upgrade

I am upgrading an undersized bathroom fan that is 50 CFM and has (possibly) a 3" to 4" exhaust pipe. The new fan, which is 150 CFM requires a 6" exhaust pipe. Do I need to rip out the existing vent ...
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1answer
984 views

Is an electric dryer's vent pipe a fire hazard when routed through the floor?

I will be venting my electric clothes dryer through a pre-cut hole in the floor. It will be vented using flexible, foil type tubing and traveling a short distance to an exhaust on the side of my home....
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49 views

Can i have a cheat vent valve outdoors?

I am building a small bathroom on the first floor of my house. I need a vent but cannot access the main stack above the water line. I was thinking of going straight through the roof of the first floor ...
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56 views

Outside vents for drainage - name?

Right outside of my house there are vents (for sewage?) that look like this: These are ugly, take up space and a trip hazard. These can be easily pulled out (I just did with my hands) and below them ...
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1answer
37 views

bathroom vent problems

I live in a townhouse(built in 1971 with no privacy wall between my neighbors attic) Between the two units there are 4 static vents and no other source of venting. The attic space would be about 400 ...
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0answers
303 views

Basement plumbing venting

I am in the process of finishing my basement. There is currently a bathroom roughed in. My question is on venting. There is no dedicated vent stack I can access in the basement. Where is the best ...
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1answer
190 views

Vertical or horizontal venting for a 36" range hood with a 3 speed 630 CFM blower

Installing a 36" range hood with an internal 3 speed 630 CFM 3 blower,damper and 6" vent pipe. Installation is in the area of an unused 10" square fireplace chimney flue. Supposition: Will increase ...
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1answer
806 views

Toilet venting, no stack installed

I bought a home with an in law apt that has its own septic in the back of the house. The rest of the house has the plumbing and septic in the front. There is no stink pipe. I don't know how they did ...
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1answer
104 views

Toilet sits directly over sewer return — what sort of venting?

We are converting a 1st floor coat closet into a powder room. The closet sits directly over the sewer line running in the basement floor out to the street. Instead of tying into the existing soil ...
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0answers
75 views

Plumbing vent for new addition

I am turning an old 1 car garage into a master bathroom and laundry room. I'm unclear as to the way to vent the new plumbing. I'll explain the layout first. I'm standing in the middle of the wall in ...
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1answer
30 views

Plumbing Vent - Proper service?

Which professional should I call to correct a plumbing venting drip issue that is in the attic? I have an older home, where the newer plumbing vent is coupled the older after entering through the ...
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3k views

Should my bathroom's plumbing vent be downstream of the toilet connection?

My wife and I just bought a house and have been smelling sewer gases from our tub. After taking a look at the piping, the tub doesn't have a p-trap. My original plan is to install a trap before the ...
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1answer
1k views

when my sump pump in the basement runs, the kitchen drain gurgles

I don't understand why the gurgling. This year we've had a lot more precipitation than usual, so the sump has been running more frequently. Last year I had my main line rodded, repaired and a cleanout ...
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2answers
3k views

Is it Ok to mount a bathroom extractor fan at floor level?

I am fitting a new shower to a downstairs bathroom (the room previously only have toilet & sink) and need to fit an extractor fan. The room borders onto an enclosed porch (uPVC doors & windows ...
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3answers
2k views

Hiding Ugly HVAC Outdoor Venting and Intake

I have 3 HVAC pipes coming out of my house, by my entrance that are eye sores. One set (intake/exhaust) is for my furnace and the largest one is an exhaust for my hot water tank. They are directly ...
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1answer
816 views

How can I vent my kitchen exhaust through vinyl soffit?

My 1950s ranch had a loud, ineffective kitchen fan that I decided to fix up this weekend. Turns out that when a previous owner had vinyl siding added, they simply put the vinyl over the vent. I ...
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2answers
214 views

How many of these items does the electrician put in?

Planning for a new construction. For the interior walls does the electrician: a. put in the orange tube for running future technology wires? b. wire for cat 6 Ethernet cabling for hard wire computer ...
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1answer
140 views

Should air vents in the floor be directed towards or away from walls and windows?

Builder installed HVAC vents in the floor under the windows but all the vents when opened have the air flowing away from the windows into the room. I thought the air was supposed to be towards the ...
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1answer
416 views

Bathroom Drainage/Vent Layout

So I've been doing a full remodel of our bathroom given water damage from the last owners. I've gone down to the joists & studs. Now I'm looking at drainage/venting solutions. I've got a few ...
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1answer
152 views

Bathroom Drain Venting

I've been trying to figure out the difference between the following solutions. I'm sure that Option 1 is the best, given it's a short direct route to the vent, but I can't justify to myself why the ...
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1answer
738 views

Venting a finished attic

5 year old house - finished attic. Permanent stairs, carpet, heat, ceilings, drywall - completely finished. The insulation is spray foam (open cell) directly on the underside of the roof deck (min - ...
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2answers
259 views

Can there be too many seams in a dryer vent pipe?

BACKGROUND: We have to vent our dryer outside and we will NOT be using any form of flex pipe. The whole thing will be vented with rigid 4" aluminum vent pipe. It is going to take a total 18' of ...
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1answer
96 views

Main electric service & range hood vent

I'm in the midst of a reno on my kitchen, which involves some reconfiguring of the placement of appliances. As a result, where the stove is going - and hence the range hood / blower vent location ...
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2answers
8k views

Can I vent a bathroom through the side of the house instead of the roof? [closed]

Venting a new bathroom through the side of the house
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1answer
61 views

Should vents protruding through the roof be protected from weather?

Should vent and air intake pipes that exit thru the house roof be left open to the elements or should they be terminated with a gooseneck to make them rain proof?
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2answers
46 views

CSA Approval for use in New York State sufficient?

After extensive research, I'm interested in using a specific product for roof ventilation (http://www.ventilation-maximum.com/English/product-model303.html). All conditions for installation as per the ...
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2answers
2k views

Can I vent my portable air conditioner into my garage?

I have casement windows and venting through the window is funky at best. This portable AC is a single room unit, and I am considering a direct vent into the garage. The garage is large (3+) with a ...
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1answer
3k views

Attic flue vent pipe…asbestos? If so, what should I do?

Can someone help me identify whether this kind of pipe contains asbestos? I know that testing is the sure way to tell. However, maybe it's possible to rule it out from a picture...I'm not sure what ...
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1answer
8k views

Range hood exterior vent close to window?

I'm looking to install a vented range hood for the electric range in my kitchen. The kitchen has only one outside wall, which is mostly window, with a cast-iron radiator and a chimney for my oil-...
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1answer
188 views

How to install DWV piping for new toilets added to current system

I am wanting to install a toilet in a cabin that is about 150ft uphill from my home. So waste will run downhill, thank goodness. And about 60 ft from my home on that same run I want to install another ...
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2answers
521 views

Vent now blows on thermostat

A long story how this got this way but there's a house with two furnaces and two thermostats. One of the furnaces feeds a long hallway with the return vent at one end and four feeder vents evenly ...
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2answers
3k views

Why can't I get gas to our gas fire place?

Okay so my boyfriend and I are trying to light our gas fire place... we turned on the gas that t's off from the line in the basement which goes out to the main line which goes to a meter. The main ...
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1answer
843 views

Tankless water heater requirements

I'm looking at the possibilities of replacing my water heater. Currently we have an electric, 2 element, 50 gallon tank heater that is 32 years old and almost ready to go. The water can sometimes come ...
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1answer
135 views

venting dryer into unused lined chimney flue

I have vented a gas clothes dryer into an unused terre cotta lined chimney flue in the basement. The chimney is shared with another lined chimney flue venting the gas hot water heater. The chimney ...
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236 views

Backdraft issue w/bathroom exhaust and dryer connected to same air outlet

I live in a condo where a dryer and bathroom exhaust both connect into a Y connector that flows into the same pipe and into the building air shaft. I understand that these two appliances on the same ...