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Posted by Erik Dillenkofer on February 25, 2007, 7:26 am
The galvanized pipe coming out where the T&P valve normally goes looks like
it has a schraeder valve and a pressure gauge installed - most likely to
pressurize the system with air to proof the system for leaks.
>> Hello, everyone! I've added a few posts to my blog in case anyone is
>> interested in checking out the latest photos of our house that is
>> under construction (and nearing completion).
>>
>> Choosing a Hot Water Heater and Water
>>
Softenerhttp://www.mynewoldhouse.com/house/article/67/Choosing-a-Hot-Water-He...
>>
>> Preparing For Drywall Finishing With Red
>> Paperhttp://www.mynewoldhouse.com/house/article/66/Preparing-For-Drywall-F...
>>
>> Cutting Holes In Drywall For In-Ceiling
>>
Speakershttp://www.mynewoldhouse.com/house/article/68/Cutting-Holes-In-Drywal...
>>
>> Cutting In And Other Painting
>> Funhttp://www.mynewoldhouse.com/house/article/69/Cutting-In-And-Other-Pa...
>>
>> Italianate Cottage: A New Old House In Charlmette,
>>
Louisianahttp://www.mynewoldhouse.com/house/article/65/Italianate-Cottage-A-Ne...
>>
>> ...that last one is the first entry in our blog for another "new old
>> house" besides ours. If you guys know anyone else who would like to
>> submit photos and a story for their "new old house" let me know. It's
>> kind of fun to learn about other people's "new old houses."
>>
>> - John
>
> They used CPVC for the gas line to the water heater. IIRC, CPVC is not
> rated for gas, and I'm pretty sure the valve is not. You really want
> to check on that before you have a gas leak etc.. Normally black iron
> pipe or yellow flex is used.
>
> Also, the picture isn't that good to see detail but the galvanized
> piece that comes out of the right side up toward the top, that should
> be a T/P relief valve, is it?
>
> If not that's as dangerous as the wrong gas line material. There is
> supposed to be a water line from the T/P valve (I don't see one, just
> the galvanized pipe with something black on the end?) with plumbing
> down toward the floor or to the outside so that hot water can exit the
> tank to relieve pressure/temperature build up in case of emergency
> where the water is heated too hot or the pressure exceeds the limit.
> Otherwise the water heater tank explodes.
>
> You need to check both for code compilance and proper material and a T/
> P valve.
>
> Gary
> Quality Water Associates
>
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