Question about Amtrol ST-5-C THERM-X-TROL ASME Expansion Tank, 2 Gallon

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There is a minute hole in my Amtrol Therm-X-Trol. Can I fix this without replacing the unit? If I have to replace the unit, what is a ball park cost to have a plumber do this? Thank you.

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Posted on Jan 02, 2017

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  • 252 Answers

SOURCE: therm-x-trol st-12 leaking

Never seen one leak other from the seam or the top or bottom.

Posted on Mar 14, 2009

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  • 105 Answers

SOURCE: I have a large Amtrol water heater. I bought the

i would recommend getting a "superstor" tank,...(not messing with the amtrol again) is this run off of your boiler? if so, you'll like a "superstor", good luck, cracklin joe,........

Posted on Jan 08, 2010

  • 1 Answer

SOURCE: My Amtrol Therm-x-trol tank has

Sounds like the internal diaphragm has ruptured. The tank should be replaced immediately. You should disconnect the electrical power to the water heater and close off the incoming water supply to the heater. Open a HW faucet to relieve the pressure and remove the tank. Be careful cause you are going to get wet. Replace with a new tank.

Posted on Oct 01, 2010

aquaman987
  • 927 Answers

SOURCE: My A.O. Smith 8 year old water heater drips water

It seems that you have this figured. In their literature all units are shown vertical, either inlet up or inlet down. Also, it appears that if the unit is full of water, (water logged) pressure will build up in the system. Temporarily, you could shut off water to the water heater, open some drains and use a pump to put some air back into the tank. This would at least get air into the upper half of the tank for a while until you can get set to make a repair.
Gary

Posted on Dec 14, 2010

gargac
  • 39 Answers

SOURCE: The relief valve coming out

The exspansion tank is more than likly the problem. The temperature/presure valve may also be the problem. Replace both. To replace the exspansion tank turn off the supply water coming into the water heater. Open the relief valve and purge the presure off the tank. drain the water heater slightly below the temperarture/presure valve to replace. The exspansion tanks screws off. Use new teflon taope on the threads when replacing both the exspansion tank and the T&P valve. This work can be compleated by the homwowner with some mecanical inclination.

Posted on Jan 24, 2011

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1 Answer

Amtrol them-x trol drum is leaking from top egde.I like to know how ti fix


Once these start to leak, usually the best solution is to replace the tank. It is corroding and will only corrode more with time. You could try epoxy for a short term fix, something like liquid metal.

Apr 18, 2011 | Amtrol ST-5-C THERM-X-TROL ASME Expansion...

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My A.O. Smith 8 year old water heater drips water out of the expansion valve but only when it is heating water. The builder of my home mounted the Amtrol THERM-X-TROL ST-5 in the horizontal position and I...


It seems that you have this figured. In their literature all units are shown vertical, either inlet up or inlet down. Also, it appears that if the unit is full of water, (water logged) pressure will build up in the system. Temporarily, you could shut off water to the water heater, open some drains and use a pump to put some air back into the tank. This would at least get air into the upper half of the tank for a while until you can get set to make a repair.
Gary

Dec 14, 2010 | Amtrol ST-5-C THERM-X-TROL ASME Expansion...

1 Answer

My Amtrol Therm-x-trol tank has dropped 6 to 8 inches since it was installed, and a few drops of water are coming from the washer where is attached to the water heater. It is very heavy now. Could it be...


Sounds like the internal diaphragm has ruptured. The tank should be replaced immediately. You should disconnect the electrical power to the water heater and close off the incoming water supply to the heater. Open a HW faucet to relieve the pressure and remove the tank. Be careful cause you are going to get wet. Replace with a new tank.

Sep 30, 2010 | Amtrol ST-5-C THERM-X-TROL ASME Expansion...

1 Answer

I have an Amtrol WH7L and the control panel is making a buzzing sound? Other wise it is working fine.


In a while the control unit will fail
On the Amtrol units the control is their weakness.Once it starts to buss it will last somewhere between a couple of weeks and a year, but it WILL eventually fail.
And while Amtrol advertise a "Limited lifetime warranty" the "Limited " part includes not putting any warranty on that control unit.

Jan 27, 2010 | Amtrol ST-5-C THERM-X-TROL ASME Expansion...

1 Answer

I have a large Amtrol water heater. I bought the system origianlly several years ago. Last year the bladder failed. Amtrol honored the lifetime warranty and provided a new one but I had to pay installation...


i would recommend getting a "superstor" tank,...(not messing with the amtrol again) is this run off of your boiler? if so, you'll like a "superstor", good luck, cracklin joe,........

Jan 04, 2010 | Amtrol ST-5-C THERM-X-TROL ASME Expansion...

2 Answers

Short buzzing noise every few seconds from hotwater tank


it maybe that there is a small leak at the connection.try to remove the tank and put teflon tape on the connection.this may fix the problem.if this does not fix the problem,it may be possable that the amtrol has a pin hole in it.this may hve to be replaced.good luck with your project

Sep 29, 2009 | Amtrol ST-5-C THERM-X-TROL ASME Expansion...

1 Answer

ER3 no hot water


Er3 means that the water is being heated for more than 1 hour without reaching the set temperature.
Need new aquastat.

Sep 28, 2009 | Amtrol ST-120V-C THERM-X-TROL ASME...

1 Answer

Therm-x-trol st-12 leaking


Never seen one leak other from the seam or the top or bottom.

Mar 14, 2009 | Amtrol ST-12-C THERM-X-TROL ASME Expansion...

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