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http://www.getfloodstop.com/Water_Heater_FloodStop_p/fs34npt.htm

This is the best to prevent flooding, it turns off water at the same time sounding a high decibel alarm, think smoke detector

Which in turn is owned by Paloma water heaters out of JAPAN !

They have a pump system on the mkt. That can hook up under your bathroom lav sink and give you hot water with out running a recerc...

You don't know how much you take it for granted, until you don't have hot water for a couple of days

Yes back to what I posted earlier you need to contact someone that doe's work on mobile home call some of the mobile home parks in your area and see who they use to replace water heaters ?

SORRY but bad news you can not have anybody install a standard gas water heater
you have a modular home and need a water heater designed for your home !

it needs to be a sealed combustion venting...

Yes it is,
but more then that your whole house piping is undersized for the fixtures you are trying to run

I agree that is exactly what happened plumbing 101

If is a honeywell bruckman you can get a repair cartridge remove top and old center cartridge, reinstall top and you are finished

Use "dollar" test plugs, they have a wing nut on top that tighten down to seal off the drains,
that way if you ever have a need to open one you can do it by just removing plug other wise that are...

Under the sink pull apart the stopper linkage so you can pull the stopper up and out where you will find a big ball of hair after cleaning
reinstall stopper and linkage back to operating condition...

The drain pipe is much more then just at the bottom it will run out 5,10, or more feet and any or all of it could be clogged with grease and that is why you need a professional drain person to clear...

You would have to check with the AHJ. In San Diego,
By the way that is the way I would run it a t&p with a drain into pan

No this is "not" a venting problem !
It is a sewer problem and the first thing is to get a camera down the line and see what damage the city caused to yours or their pipe
and then have the city pay...

those kind of double hub fittings are not legal to code because the reverse hub is a way of catching debris from sink all drain fittings
have to lead down not up ! !

HE BEST I HAVE FOUND IS PRO STOP

http://www.amazon.com/Floodstop-Washing-Machine-Valve-Shutoff/dp/B000GF5DR4/ref=sr_1_fkmr0_1?ie=UTF8&qid=1362896916&sr=8-1-fkmr0&keywords=PROSTOP+FLOOD+VALVES
...

NO SOMETHING LIKE THIS


http://trojanworldwide.com/DT18B-with_feed.jpg

http://trojanworldwide.com/DT18B-with_feed.jpg

Just do away with the trap under the sink since you are going into the stand pipe anyway and it will work and you can live with it no matter how it looks or smells

If the flange sticks out over the concrete you can use Tapcon screws to anchor to the concrete,
If you have open space hang some stainless steel screws down though the flange and then fill in with a...

A very good ideal !
that look likes something the wizard of OZ would think of

with water in the pipe you may not be able to whats there but if it has a locator sound transmitter built into the camera head then with a pipe locator you can trace the pipe above the ground and...

First of all you are on a septic tank with leech lines running out from it and it doe's not matter if the ground is covered in asphalt,
the reason you have the problem is because of in a heavy RAIN"...

Don't turn cold side on and it will not leak !

Yes spread rock salt over the top it's not called the dead sea for nothing !

First off open the drain clean out plug and let your water flow !
this is where you need to run the snake though but be sure only run until drain is clear ! you do not want to run cable into septic...

Take some scotch tape and tape a $5.00 bill to it and that is what it would be worth on the way to the dumpster, !

Then buy a real drain machine

http://trojanworldwide.com/colt.html