The tag has no usage guidance.

learn more… | top users | synonyms

29
votes
4answers
82k views

Why does my dishwasher back up into the sink, but running the disposal allows it to drain?

When my dishwasher runs the kitchen sink backs up. I have a two tub sink and only the side nearest the dishwasher with the garbage disposer backs up. Running the disposal for a few seconds causes the ...
4
votes
1answer
174 views

What steps should I take when cabling a drain?

We have a drain that backs up when a few gallons of water are put down it over time. The back pressure forces the water out through the toilet drain seal, leaving the water pouring into our basement. ...
3
votes
4answers
14k views

Product recommendations for clearing a drain connected to a septic system?

Our shower drain appears to be clogged and is draining slowly. What product can I use to safely clear the drain without damaging our septic system? According to Drano's site ...
3
votes
1answer
883 views

Can I use a 1 1/2 vent for a toilet (3" drain) in CA (not a went vent, no other fixtures on it)?

Most of the info I have on code implies this would be OK, but one item I have says that a 1 1/2 vent can only serve 8 "non-WC" fixture units.
8
votes
2answers
14k views

How do I install a sink in a room that doesn't have a drain vent?

I want to install a sink in my attached garage where there is no existing plumbing. I will be running new water supply and drain pipes to mains behind a nearby wall. I'm concerned I will need a ...