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Posted by Speedy Jim on November 29, 2006, 4:59 pm
John J wrote:
> Jim..it's definetly not a drum trap..I might be wrong about the S.. probably
> a P-trap,.. the plug is a square drive threaded plug, and it's very
> rusted...
Yes, it could be a cast P-trap. The plug would be at
the bottom, no? In that case, it will have water over it
and heating will have zero effect. If the plug happens
to be on top, go ahead and heat it.
If the piping downstream of the trap is easily accessed,
sometimes it's better to just hack out a section and
put a PVC cleanout TEE in using Fernco couplings.
Jim
>
>
>>John J wrote:
>>
>>>Hi folks..I have a stopped up bath tub drain. Have removed the lever and
>>>chain from the overflow pipe, and cleaned to no luck. There is a plug on
>>>the trap that is pretty rusty. The trap itself appears to be cast metal.
>>>I've tried removing the plug no luck. Sprayed it with penetrating oil,
>>>but probably not getting into the threads very well. Do you think it is
>>>OK to try heating up the pipe with a torch in hopes of removing that
>>>plug, or should I worry about methane gas in the pipe exploding?...I
>>>apologize if this is a dumb question. But it seems like my last resort to
>>>get this thing fixed. Can't snake past the trap.
>>>Appreciate any help. Thanks.. JJ
>>>
>>>
>>
>> I doubt it's an "S" trap, more likely a "drum" trap.
>>http://plumbing.hardwarestore.com/learning/how-to-unclog-drains-toilets-and-sewers.aspx
>>scroll sown to Fig. 7
>>
>>I like the "chisel" method shown, though there can be risk of
>>breaking things.
>>If there's no danger of fire, heating the casting will help.
>>
>>You might also try suctioning the drain with a ShopVac.
>>Plug the overflow opening with wet rags.
>>
>>Jim
>
>
>
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