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Started By
Message
re: Plumbers of the OT: Sewer gas smell in the bathroom.
Posted on 12/27/17 at 8:46 am to LSUTigersVCURams
Posted on 12/27/17 at 8:46 am to LSUTigersVCURams
Before you start changing things check that it's properly vented.
1
Posted on 12/27/17 at 8:47 am to LSUTigersVCURams
quote:
What could be causing this?
Could be the shower pan. Water gets between then shower floor/tile and the pan and you get that B.O. funky locker room smell.
Posted on 12/27/17 at 8:54 am to Napoleon
quote:
Toilets are the only plumbing fixtures without a p trap.
Not true. They all have a p-trap built in and also by code under the toilet whether in the slab or located between floor joists for a frame home or two story. It's part of the sewer line from the toilet and is the first stop. If you are having sewer smells your first thing to check is that you run water through all drains including toilets, bathtubs, showers and sinks. Even your washing machine drain. Every fixture has a p-trap and if any one of them is dry from sitting for an extended period they need water to have a gravity fed block between sewer line gas and your home. Try this first.
This post was edited on 12/27/17 at 8:58 am
Posted on 12/27/17 at 8:55 am to Crusty
quote:
s this happening when you turn on the hot water? If so, you may have to flush your hot water tank and replace the cathode. That's not a big deal.
I know this isn’t the OP’s issue, but since you mentioned it, we had a swampy odor when we ran got water in our new house a few years ago.
We had a plumber out and he said it’s probably bacteria and told us to turn up the water temp for a few days to kill them. Did the trick and we never had that issue again.
Just FYI for anyone who has this problem. Might save you some time and money.
This post was edited on 12/27/17 at 8:56 am
Posted on 12/27/17 at 9:04 am to StupidBinder
Check within the cabinets under the vanity sinks and behind the vanity drawers (easy to remove). We run our clean-outs behind the vanities so they are inconspicuous yet easily accessible and occasionally the plumber forgets to cap it off or doesn't screw the cap on all the way. It'll be a PVC round pipe either fully open or with a cap.
Posted on 12/27/17 at 9:07 am to LSUTigersVCURams
Try closing the sink and filling it with enough water to hold then wait. It's how we identified the issue with our sink in a hall bathroom.
Common issue. Could be venting.
Common issue. Could be venting.
Posted on 12/27/17 at 9:11 am to Techdog89
There 100% is no ptrap under my toilets. If I remove one I have to plug the hole with a pipe plug to keep out sewer gas.
Every other pipe has atrap the three toilets all branch to a 4" pipe that has a 2" vent, then drops to the main line.
The actual water trap for a toilet is inside the toilet itself.
Toilets need a straight shot to the sewer line.
Every other pipe has atrap the three toilets all branch to a 4" pipe that has a 2" vent, then drops to the main line.
The actual water trap for a toilet is inside the toilet itself.
Toilets need a straight shot to the sewer line.
Posted on 12/27/17 at 9:11 am to LSUTigersVCURams
If a bathroom is rarely used the water in the trap can evaporate and gas can enter the dwelling. Simply run the sinks and flush every once in a while
Posted on 12/27/17 at 9:24 am to djangochained
On this note, had yall heard of a brand new toilet/wax ring becoming unsealed within a year? One day my toilet began to wobble a bit and now randomly there will be a very faint sewer smell every now and then. It isn't too strong and it isn't all the time.
ETA: This is on a toilet that is used frequently
ETA: This is on a toilet that is used frequently
This post was edited on 12/27/17 at 9:26 am
Posted on 12/27/17 at 9:25 am to djangochained
quote:
Seal around the toilet is comprised
RE install toilet with new wax rings and RE caulk
Any plumber can do this for 1-2 hours, just get a new toilet while you at it
Probably correct, but I would recommend a green polyurethane ring instead of wax. I had to replace the flanges in all 4 toilets in my house in the past year, and the green rings were so much cleaner, and easier to handle than the nasty wax rings.
Posted on 12/27/17 at 9:30 am to TigerTatorTots
quote:
On this note, had yall heard of a brand new toilet/wax ring becoming unsealed within a year? One day my toilet began to wobble a bit and now randomly there will be a very faint sewer smell every now and then. It isn't too strong and it isn't all the time.
Yes. If anything was out of level the toilet will move. Every time it moves the wax ring will get depressed at some point, and once depressed it does not reform. Once that happens water will begin to move to the new depression. The movements will get bigger, and the ring will fail pretty quickly after that.
Posted on 12/27/17 at 9:35 am to unclejhim
quote:This is what fixed my issue.
Before you start changing things check that it's properly vented.
Posted on 12/27/17 at 11:38 am to TigerTatorTots
I would think the mounting flange is the issue more than the ring. A wobbly toilet is a mount issue.
Posted on 12/27/17 at 11:43 am to LSUTigersVCURams
Run water in the sink and tub for 30 seconds.
If it still smells bad you need to change your wax ring
If it still smells bad you need to change your wax ring
Posted on 12/27/17 at 12:00 pm to LSUTigersVCURams
Could be HW heater also could be the P tube or whatever in the sinks or toilets went dry from evaporation allowing gasses to come back up. Run water in everything for a while and flush the toilets and see if the smell goes away.
Posted on 12/27/17 at 12:03 pm to djangochained
Light a match...
What could go wrong...
What could go wrong...
Posted on 12/27/17 at 12:24 pm to LSUTigersVCURams
Probably the wax ring under the toilet. That’s where I would start. Easy to change out and very cheap
Posted on 12/27/17 at 12:27 pm to LSUTigersVCURams
By any chance do you have a floor drain, or a sink or tub you haven't used yet? The water in the U shaped part of the drain pipe blocks the sewer gas. If there's no water in it, the gas can back up into the house.
Posted on 12/27/17 at 12:28 pm to Mid Iowa Tiger
This is where the actual smell description matters.
If it smells like rotten eggs, you need a new sacrificial anode in your heater.
If it smells like your arse after eating rotten eggs check your ptrap or wax ring.
Someone else said vent earlier. Great suggestion.
But you may need to get in your roof to check that.
If it smells like rotten eggs, you need a new sacrificial anode in your heater.
If it smells like your arse after eating rotten eggs check your ptrap or wax ring.
Someone else said vent earlier. Great suggestion.
But you may need to get in your roof to check that.
Posted on 12/27/17 at 12:55 pm to LSUTigersVCURams
This post was edited on 11/16/21 at 4:18 pm
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