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Thread: UPC Plumbing Code, Helpful Hints by Bert Polk Plumbing inspector

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    Forum Admin, Expert Plumber Terry's Avatar
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    Default UPC Plumbing Code, Helpful Hints by Bert Polk Plumbing inspector

    Here is a nice link to Bert Polk's plumbing tips

    States that use the UPC

    Alaska UPC adopted at State level but IPC in use locally
    Arizona UPC adopted at State level but IPC in use locally
    California UPC applicable Statewide
    Colorado UPC adopted at State level but IPC in use locally
    Hawaii UPC, with local ammendments.
    Indiana UPC base document for State code
    Iowa UPC effective Statewide, IPC adopted by Local Governments
    Kansas UPC adopted at State level but IPC in use locally
    Minnesota UPC effective Statewide(1)
    Missouri TBD either IPC or UPC effective Statewide
    Montana UPC effective Statewide
    Nebraska UPC adopted at State level but IPC in use locally
    Nevada UPC adopted at State level but IPC in use locally
    New Mexico UPC adopted at State level but IPC in use locally
    North Dakota UPC effective Statewide
    Oregon UPC effective Statewide
    South Dakota UPC 2003 version effective Statewide

    US Virgin Is. UPC Island wide
    Washington UPC effective Statewide, with amendments
    Wisconsin Plumbing Code Link
    Wyoming Both IPC & UPC used by Local Governments



    Klickitat County Plumbing Help
    Last edited by Terry; 10-12-2013 at 10:15 AM.

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    Plumber Winslow's Avatar
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    Hawaii also uses the UPC, with local ammendments.

    Thanks, I added Hawaii to the UPC page.
    Terry
    Last edited by Terry; 07-10-2010 at 10:24 AM.

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    Plumber jimbo's Avatar
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    That link to Bert is a great resource. They say a picture is worth a thousand words. How many thousand words have been posted here trying to explain the concept of not draining second floor waste into the vent from first floor! One of the earyl pics in the series shows that so well!!!!!!!

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    DIY Senior Member Hairyhosebib's Avatar
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    This is a great resource and helps me out a lot. I am curious about why water heater T&P valves can be plumbed with multiple elbows and several feet of pipe here in the Phoenix area. I sure don't have mine like that. Every elbow causes the water to be slowed down as it escapes the tank! I sure would not want mine to blow up.

    Last edited by Terry; 01-27-2011 at 12:10 PM.

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    Forum Admin, Expert Plumber Terry's Avatar
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    You are allowed fittings on the relief line. I've never heard of a working T&P with 3/4" drain that was ever a problem. The problems occur when someone puts a cap or plug in the relief line to stop a leak. At best, as long as they are allowed to drip out the pressure, you should be fine. In apartments and condo's, with stacked units, they normally let us run two heaters on 3/4" and then start bumping up the sizing as we go down.

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    DIY Senior Member Hairyhosebib's Avatar
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    I'm thinking you are only allowed 2 fittings after the T&P according to the UPC code. And it is to terminate six inches above the floor. Just like in the picture of the link above. Water heaters are time bombs. When I was in plumbing school we were shown a picture of a grade school building that had pretty much blown up because the maintenance guy removed the old leaking T&P valve and plugged it off and did not turn the water heater off. While he was gone getting a new valve the water heater blew up killing several people. I think this may have happened in the 60"s but I don't know where it occurred.

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