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the city of chicago requires air tests at 120 lbs for 24hrs...and yes i do mean in residential work

anyways just to answer your question...they do make a 3 1/2" tp 3" reducing bushing =) it's available in both black, and galvanized.

my favorites always been dunkin donuts cups...the large sizefits perfect in a flange opening..

personally I think 1/2 cpvc is useless for anything except filling up water ballons for the kids..do it in copper

Go with 3/4" minimum from the shutoff by the meter to the hot water heater. Run as much 3/4" as you can and only pull one fixture from each 1/2" branch..try to keep the 1/2" stuff under 5'. Picture...

bridget is my choice..be aware though it's silver solder, and costs quite a bit more than regular 95/5. The nice thing about it is it heats at a lower temp, flows real nice, and leaves a nice cast. I...

the vents should be before the discharge..for instance on the tub. You have a 2" trap arm of "x" feet developed length. You need the vent on that trap arm within 5' maximum of the trap (or 8'...

just a quick question.. is that an engineered floor joist (tji)? Not to ruin your parade, but keep in mind while laying all this out, there are guidelines you have to follow for holes on trussjoists.

yes you could get pvc slip couplings...they're called repair couplings or shoulderless couplings. No can do on the doublewye. (by the way, it would be 45's to bring it back to vertical)

yep ..unfortunately, the call on the wet vent is up to the ahj. Some places allow it others dont. By the way ..what software is that you're using?

ok ...now i got ya...i was confused at first because looking at the drawings i saw no wet vent. Yeah anyways..as long as you can meet the required distance for the 3" which is 6' to vent, and as long...

you can't wet vent horizontally...where is the a wet vent anyways?

the bottom one is correct as far as the wye goes...even though your tee'ing off to a vertical vent..it's still part of the waste, and you cant have the san-tee on it's back.

Ok...here's the situation. I have put an addition on my house ading 800 sq ft. Included in this is 1 new bath containing a water closet, lav, tub/shower combo, and it's on the second floor. The...

well i know the distances are fine...i guess my actual question is about the drain/vent issue. Is this considered being vented before the discharge, and is the vent considered to be taking off below...

ok...here's the situation...in laying out my new toilet on the second floor i was pressed for space in the ceiling joist area so instead of using a sanitary tee to dump the horizontal 3" from the...