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Old 05-13-2013, 07:35 PM   #16
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Quote:
Originally Posted by Ghostmaker View Post
An Expansion tank is sized by the water heater. Depending on that you should purchase an expansion tank .. Up to 50 gallon HWT an ST-5 expansion tank will work. http://www.amtrol.com/media/document...t_Brochure.pdf

The link above will explain.

Also an Expansion tank can be located anywhere on the cold water. According to the IPC. Some inspectors are into the picture by manufacture of it over the tank but I have had no problems as long as it is on the cold and not valved off.
Ghost...that's fine... but Ben referred to upsizing not in reference to the tank size, but in reference to 100 ft run in the supply between main house and outlying WH.

Just wondering about his thought in that regard.

Peter

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Old 05-13-2013, 07:42 PM   #17
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The run from the house to the hot water tank has nothing to do with expansion. Only the water heater is causing it. Thus only the water heater size determines the expansion tank size.
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Old 05-13-2013, 07:50 PM   #18
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I also agree with eplumber except...when we get around that 100 foot mark I reccommend going up 1 size in expansion tank..ben sr
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Ben... could you explain.... just more room (water) for thermal expansion?

Thanks
Ghost..... I'm not picking a fight here,... I agree with ya.... but Ben is a very smart plumber, and I was interested in his thought.

See above

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Old 05-13-2013, 08:04 PM   #19
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Im just a dumb ass plumbing inspector and master plumber. So I'm sorry for trying to help.
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Old 05-13-2013, 08:13 PM   #20
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Im just a dumb ass plumbing inspector and master plumber. So I'm sorry for trying to help.
No you're not.... I'll bet we're both interested in what Ben was trying to say..... and thanks for your thoughts as they were mine also.... I thought I was the DA because I did not understand what Ben was saying....

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Old 05-13-2013, 08:34 PM   #21
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Im just a dumb ass plumbing inspector and master plumber. So I'm sorry for trying to help.
your right ..heater determines size of expanison...as a safety allowing more room for expanison over that distance won't hurt......ben sr.....
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Old 05-13-2013, 08:37 PM   #22
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your right ..heater determines size of expanison...as a safety allowing more room for expanison over that distance won't hurt......ben sr.....
Oh man-- I thought this was going get entertaining, I was heading for my pop corn
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Old 05-13-2013, 08:39 PM   #23
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Oh man-- I thought this was going get entertaining, I was heading for my pop corn
me too...hope everyone chills ben sr
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Old 05-13-2013, 08:44 PM   #24
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Oh man-- I thought this was going get entertaining, I was heading for my pop corn

Naah.... We all space out once in a while.... but if Idaho had a football team... we could get into it.

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Old 05-13-2013, 08:47 PM   #25
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me too...hope everyone chills ben sr
No problem at all... just momentarily confuesed ...much like my typing

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Old 05-13-2013, 08:56 PM   #26
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No problem at all... just momentarily confuesed ...much like my typing

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Peter
no your not confused ..us old guys like to add sh@!@it to things ..just because we can...no really we had front house and back house with expansion tanks in front house distance between 90' tpr valve in back heater was weeping all the time changed smaller expanison tank to bigger one ..problem solved...
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Old 05-13-2013, 09:08 PM   #27
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no your not confused ..us old guys like to add sh@!@it to things ..just because we can...no really we had front house and back house with expansion tanks in front house distance between 90' tpr valve in back heater was weeping all the time changed smaller expanison tank to bigger one ..problem solved...
Experience counts alot
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Old 05-13-2013, 09:11 PM   #28
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Experience counts alot
It's called upcharge
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Old 05-13-2013, 10:51 PM   #29
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No I don't mean leaking water. It is doing it's job. When pressure rises above 100 psi the relief valve let's water out.
You said pressure reduction valve. Those don't leak water out. They do have bypasses, but you wouldn't know it was happening.
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Old 05-13-2013, 11:02 PM   #30
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**** happens. Had a very bad day busted a contractor on commercial work without a permit or a plan review. State may remove him of his contractors license. They do not like this on commercial work at all.

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