Recent content by Widdershins

Another TOTO option for a 10" rough-in is the Aquia dual flush -- Model #CST412MF.10 The dual flushes are a great option for folks who live in water restricted areas of the country.

Zone valves for individual bathrooms or wings of the home are an anticipatory measure -- Meaning they likely anticipate problems down the road and want to negate the need to shut down and drain the entire house for a minor repair. This is especially true in homes with multiple H/W return lines...

Exactly what is an insertion coupling?

Since it's outdoors and buried below grade, you can use Fernco couplings to make the transition. Cut out enough piping to facilitate both the wye and two 7 or 8 inch stubs glued into both ends of the wye and then reassemble with the Fernco's. The Fernco's will slide a lot easier if you spray...

True dat..... I wouldn't bother brazing anything under 1".

If it proves to be an 1-1/2 trap arm, then you should take it back to the 2" Tee or Wye fitting it extends from. OTOH, from it's described location (the middle of the opening) it was likely intended to be used for a shower and is likely sufficiently sized.

Use soft "L" copper to loop under the slab and then make all soldered connections above the slab. Piece of cake. As added insurance, insulate the loops under the slab with closed cell pipe insulation to protect the piping from coming into contact with debris in the backfill. At a minimum...