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My booster heater t/p relief valve keeps leaking because booster heater is getting to hot. what do you think wrong

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My pressure relief valve keeps blowing more so when it is hot any ideas please


Pressure relief valves open on high temperature as well as high pressure. They do go bad and are replaceable.

Consider calling the plumber. It is not very expensive part and the plumber can change it quickly.

If you just want to do it yourself:
  1. Write down the make and model of the water heater.
  2. Go to a real plumbing store and buy a new one.
  3. Turn off the heat source (the gas or electricity)
  4. Turn off the water inlet and open a hot water valve at any sink to take the pressure off the heater.
  5. Remove the old relief valve. It may take a long handled wrench.
  6. Install the new pressure relief.
  7. Close the sink valve.
  8. Turn on the water and check for leaks.
  9. Turn on the heat source.

Good luck.

Apr 11, 2015 | Water Heaters

1 Answer

Hatco booster blowing breakers


Copy following link:
http://waterheatertimer.org/Water-heater-is-blowing-breaker.html

Hatco booster heater typically has 2 sets of thermostats and elements located on each end of heater.
Both sides might be controlled by same 60 amp breaker, or the heater might be controlled by two separate 30 amp breakers.
Be sure you have correct wire and breaker.

After reading steps on link above, add comment and say if this is new installation, or older installation that suddenly started throwing breaker.

Apr 08, 2013 | Hatco 208/3 C-12 Compact Booster Water...

1 Answer

Relief valve leaking on sta kleen 502


1) Copy following link for TP valve troubleshoot steps:
http://waterheatertimer.org/How-to-replace-TP-valve.html

2) Add a comment and say what you find.

Dec 31, 2012 | Water Heaters

1 Answer

I have a 21v407 Rheem water heater that is leaking from the top relief valve. The leak i believe, is from under the valve. what is this problem. and how do u drain this thing?


Shut off the water supply valve over the heater. Shut off the electric or gas to the heater.
If you have any house or basement water valves below the level of the heater, open them and open a valve that is higher to vent it.
If necessary, open the drain at the bottom of the heater and using hose or buckets, lower the level below the relief/thermostatic valve. Be careful, the water is hot and softens even heavy hoses.
Once the water level is down, unthread the downtube (if there is one) from the discharge of the relief valve, unthread the relief valve from the heater and either dope/tape the threads or replace the relief valve.

Write back with any questions.

Sep 09, 2011 | Rheem Water Heaters

1 Answer

Hatco c-9 booster heater won't heat, 1 amp fuse keeps blowing


that is in the control cicut the contactor might be bad and taking out cntrl fuse.unhook contactor control voltage by unplugging from contactor tape off the two wires put new fuse in turn on power if fuse does not blow replace contactor.if it does blow you will have to isolate the next thing in the control circut maybe the light.you can buy resetable 1amp circut breakers at grainger for test purposes.sometimes on people I know I will wire in those breakers for them no more buying fuses.

Apr 11, 2011 | Hatco Corporation Compact Electric Booster...

1 Answer

Have model C36 replaced t-stat relief valve and pressure reducing valve. Blowes off a temp over 170.


I think it is doing what it was designed to do. I think the water should not get to 170 degrees.
Is this a residential water heater?
Gary

Feb 04, 2011 | Hatco Corporation Water Heaters

1 Answer

Pressure releif valve leaking


Hot water pressure relief valves serve two functions. The first is to remove high-pressure water from the hot water tank. The second function is to act as a high temperature valve to remove water that exceeds a predetermined point for the valve. Both of these relief settings are preset at the valve factory. Many pressure relief valves will come with a metal tag that identifies these release points. If you're attempting to remove the hot water heater pressure relief valve, pay careful attention to ensure that you replace with the correct valve.

Your hot water heater has a pressure relief valve safety mechanism. When pressure inside the water tank exceeds certain limitations, the valve opens up to allow the pressure to be released. A faulty pressure relief valve will not release excess pressure, which could cause extensive damage to your home. You should test the hot water heater pressure relief valve once every six months to ensure proper operation. If the pressure relief valve fails the test, replace the valve with a new one immediately

Locate the pressure relief valve on your hot water heater. The pressure relief valve has a lever handle on top with a drain pipe attached to it. The pressure relief valve is most often on the side of the water tank toward the top. Newer models of hot water heaters have the pressure relief valve on top of the water tank.

  • Inspect the area around the pressure relief valve for signs of leaking water. If there is leaking water near the relief valve connection, replace the relief valve. If no leaking is evident, proceed with testing the pressure valve.

  • 3

    Examine the area below the pressure relief valve drain pipe. Most water heater closets either have a drain in the floor below the pipe or the pipe is inserted into another pipe to direct the water out of the home. If the end of your drain pipe is not in another pipe or there is no drain in the floor, place a bucket under the drain pipe to catch water when you test the pressure relief valve.

  • 4

    Pull the lever handle on the top of the pressure relief valve up with your fingers. A working lever will lift up without difficulty.You should begin to hear water going through the drain pipe. Slowly release the lever to shut off the pressure relief valve. The pressure relief valve is good. If you did not hear water running through the drain pipe, lower the lever on the pressure relief valve and replace the valve. If the lever is difficult to raise, do not force the lever. Replace the pressure relief valve.


  • Now with all that said if you have a closed loop water supply system and you have a pressure vessal/expantion tank it may have gone bad and is making the TP valve leak. you can call your water provider to see if you have closed loop system.

    Feb 04, 2011 | Whirlpool Water Heaters

    1 Answer

    Does this unit need pre heated water?


    yes the unit will need to be fed with hot water to work correctly.It has a rise if you want your rinse 180 then you will need to feed the booster with hotter water if fed with cold water it will not keep up under high demand usage.

    Jan 16, 2011 | Hatco Compact Electric Booster Water...

    1 Answer

    Just purchaced a 99 jamboree with an atwood G6a-8e water heater. while on a trip I lit the water heater, and after 30 minutes someone told me water was leaking from the side. I noticed the pressure relief...


    It's gas operation only, but has electronic ignition for propane. ( just to confirm, if you look at back of water heater, it would have a metal or black plastic cover and hydro cable going in side or top of it.)
    There are usually 3 things that may cause pressure relief to leak. 1) Faulty,corroded pressure relief valve, which usually needs to be replaced if it goes faulty. 2) water temperature is getting too hot, which could indicate a faulty thermostat. 3) If your hooked up to city water, the pressure may be too high, causing excess pressure build up in hot water tank, thus pressure relief opens. If your running off your on board pump, this is probably not the cause, as they are usually set at 40 psi.
    Ist, - try pulling lever on relief valve slightly open ( careful it's hot !!) to clean out any calcium that may be logged on seal thus causing leak. If that doesn't do it, and the hot water isn't running out steady and appear to be under extreme pressure while leaking, then I'd change the pressure relief valve. Remember when you do, shut off water to system, and relieve pressure by opening a tap, and pressure relief as well after that. New one shouldn't be too expensive, just make sure you get same thread, 1/2"NPT or 3/4"NPT. Use a little teflon tape, or pipe dope whatever you prefer when re-installing as well as clean threads a little before.
    If it really starts gushing out pressure relief when heating or heated, and water seems hotter than normal, it's more than likely a faulty thermostat. I'll wait for your reply on what condition your experiencing before I go in to how to change the thermostat.

    Nov 17, 2010 | RTO Atwood Water Heater - 6 Gal LP

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