Cast iron drain replace with s trap

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Duane G Lindstrom

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Hi
My question is i have a old house with cast iron plumbing. On second floor under tub there is a straight pipe with a little elbow attached to tub because of only 6 inches of space. Is it a good idea to make the tub high enough to fit a s trap. Then put a step.for getting out of tub. Or what else could i do with only 6 inch of space under tub floor
 

WorthFlorida

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There probably is a trap below the floor. S traps are not allowed and will cause problems. If there is a trap below the floor, a second trap added will not drain properly. (Don't fix what's not broke).
 

Duane G Lindstrom

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There probably is a trap below the floor. S traps are not allowed and will cause problems. If there is a trap below the floor, a second trap added will not drain properly. (Don't fix what's not broke).

There is no trap below just like 2 feet of cast iron off the cast iron stink pipe then a small elbow with a trap inside to stop gas from coming up plus drains the water together. That cast iron pipe comes out off roof to let gas out and goes thru 2nd floor and ist floor to basement. So i will leave it alone and attacth a new tub to the cast iron


Another question the cast iron pipe goes into basement has about a 6 foot crack. Will pvc pipe work for replacing the cracked pipe or is the load of the to much for the pvc pipe to handle.
 
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Reach4

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Another question the cast iron pipe goes into basement has about a 6 foot crack. Will pvc pipe work for replacing the cracked pipe or is the load of the to much for the pvc pipe to handle.
You need to support the cast iron above before you start cutting out the lower stuff.

A riser clamp is one type of support that may help you in this.
 

Duane G Lindstrom

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You need to support the cast iron above before you start cutting out the lower stuff.

A riser clamp is one type of support that may help you in this.
So if i put in a riser clamp i can attach the 6 ft pvc pipe. Is the cast iron pipe clamped to wall up to roof so that can help with holding the vertical load with the riser clamp also.
 

WorthFlorida

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Besure to use Furnco Couplings with the SS ban.

shopping
Raiser Clamp




1056-44sr-3.jpg
 

Duane G Lindstrom

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I have another question i have done plumbing jobs changing lines under sinks tubs as house is already built my question is i have one metal drain pipe that was attached to sink drain pipe. My question is its connected to the sewer cast iron pipe. This one drain pipe is about 4 feet long say on east side of bathroom now i am putting a shower on west side corner and toilet on right west side other corner. Can i run 2 extra pvc tees off the same drain pipe for sink to shower and toilet.
 
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