Drain waste vent system
6
votes
1answer
537 views
How do I replace a section of a 4" cast iron pipe with PVC?
I am working on our upstairs bathroom and plan on moving some of the fixtures around to a different side of the room. This means I need to make changes to where the drain comes into the stack (I want ...
8
votes
2answers
3k 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 ...
3
votes
1answer
431 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.
