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Ruud gas hot water heater shuts off and needs reset multiple times and will only run continiously for less than a day.

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If this is a hot water heating system for home heating It may be thermocouple of flame sensor. If it has a sensor rod in the flame check and make sure flame is hitting it. Also a little sand cloth to polish it may do the trick. I have to due this to my gas furnace sensor every couple of years. If this unit has a pilot light and it is weak and yellow verses strong and blue it may need cleaned. Some times you can tap on it while it is burning and it will dislodge plug. If it A domestic hot water heater for washing and such the above still holds true. If polit is strong and hitting thermocouple then replace thermocouple.

Posted on Jul 04, 2009

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Sounds as though your thermostat isat fault.,

Posted on Jun 29, 2009

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1 Answer

Why does the water suddenly runs COLD after many minutes of running hot?


Unless you are using a tankless hot water heater, there is a limited amount of hot water available in the tank. Electric and gas water tanks need time to recover after use, and if you are using heavily, it can exhaust the available supply. That said, there are a couple reasons why you may have less hot water than seems normal. In both electric and gas water heaters, silt can form in the bottom of the tank. This will build up over time and displace water. It also reduces the heating efficiency of gas units. There is a drain valve on the bottom of water heater tanks to allow for purging of this silt periodically, but few ever do it. You could also have, in the case of an electric hot water heater, a bad element or thermostat. Most electric heaters have an upper and lower element and thermostat. If one fails the other will still work, but the water takes longer to get hot and will deplete faster.

Nov 04, 2015 | Water Water Heaters

1 Answer

Anode replacement. where is the anode rod located on a ruud g100-200 gas water heater


either in the anode port on top of water heater, or connected to hot water nipple as a combo ... or both if unit has 2 anodes

http://waterheatertimer.org/Replace-anode-rod.html



Gene

Sep 25, 2014 | Rheem ruud g100-200 water heater,gas,100...

1 Answer

Getting A2 code and hot water shuts off. We do a reset and hot water will run for awhile then we get A2 code and no hot water again.


Thanks for stopping by:

A2 error on your Bosch water heater means "Fault in the flue gas limiter"

This can be caused by several things:
The gasket on the flue gas collector may be dislodged/leaking.
Check/Remove/Reseat the gasket.
It will not reset until about a two hour cool down.

Also - check the overheat sensor fuse wire - it may have gotten hot and melted the jacket and/or been dis-colored.

Finally - there is a retrofit kit "repair" that can be obtained by calling them directly.

1-800-642-3111 and request the "FLUE GAS LIMITER RETROFIT", Part NO. 8-700-400-032. This should solve many error code situations and get you on your way again.


Thanks for using FixYa!!

Aug 03, 2011 | Bosch & Tankless LP Hot Water Heater

1 Answer

Model Aquastar 250 is not running and is showing an error code of EA. What can be the problem?


  1. Verify that all manual gas shut off valves are open.
  2. Verify gas type (See Fig. 2 in installation manual) corresponds with the type of gas supplied to the heater.
  3. Reset error code and open a water tap to cycle the heater in an effort to purge air from gas line (especially on new installations). Cycling hot water tap on and off multiple times may be necessary. If heater still faults with EA error code, have a licensed gas technician properly purge air out of the gas line leading to the water heater.
  4. Verify the three yellow wire connections to the set of electrodes (underside of the burner assembly) are secure.
  5. Verify gas pressure meets specifications outlined in chapter 3.8. See Bulletin TWH-G2-03.
  6. Verify venting meets specifications outlined in chapter 3.6 of the installation manual. Improper venting may cause premature failure of the flame sensor rod.
  7. Observe inside the viewing window of the heat exchanger when a hot water tap is opened. Sparking should be followed by a steady blue flame. If not, Call Bosch Water Heating with observations. Readings from above gas pressure test will be req

http://www.boschhotwater.com/HelpfulResources/TechnicalSupport/BoschAquaStarModels/250SXTechSupport/Troubleshoot/tabid/563/Default.aspx

Feb 03, 2011 | Bosch Water Heaters

1 Answer

It is leaking out of the top. not out of the hot or cold valves but out of a nut by the cold side.


Your tank is rusted out and needs to be replaced.
Link below is a troubleshoot for leaking water heater.
http://waterheatertimer.org/Leaking-water-heater.html

Protect yourself first:
If your tank is rusted, there is danger of rupture.
My friend welded his leaking tank, but he assumes the risk.
Ruptured tank can cause massive damage and water runs until it is shut off.

Hot water tank is under pressure because hot water expands and pushes against tank wall.
Turn off water to tank.
Turn off power supply:
Electric: turn off circuit breaker.
Gas: rotate knob to pilot so pilot stays lit but burner will not fire. To turn back on, rotate knob to ON.
Open hot side bathtub valve and relieve pressure on tank.

You can limp by with rusted tank by turning water heater on when hot water is needed.
Shower uses 5-9 gallons hot water
Bath uses 12-15 gallon hot water
Ordinary gas heater makes 41 gallons hot water per hour
Ordinary electric heater makes 20 gallons hot water per hour.

I buy water heaters at Lowes, Home Depot, Ace.
Look for scratch and dent models.
Buy drip pan for water heater.
Wrap electric heater totally with insulation except TP valve.
Buy new flexible connectors for water lines.
Offer 15% less than marked price on tank, because the store makes money on additional items.

> Most people can install their own electric heater since you just connect water pipes and electric wire, and it's done. Read link below since there are tips that help you buy and install electric.
> Generally people are nervous about installing gas water heater, so step-by-step instructions are shown on link below. Remember gas line is under less pressure than water line, so if you can install a water pipe, you can install gas line to water heater with crescent wrench, and soapy water to check for leaks.
How to install gas water heater:
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, fixya expert speaks with you over phone while you work on water heater, or any do-it-yourself project.

Jan 13, 2011 | Water Heaters

1 Answer

I have a Rheem 40 gal. tank that is leaking water front the top where the vent stack is. It is pouring out. Can it be repaired?


A leaking water heater cannot be repaired, assuming it's the tank leaking and not nearby water pipe.
http://waterheatertimer.org/Water-heater-leaking.html

First thing is to protect your property from catastrophic tank failure where tank ruptures and water runs until it is shut off:
Tanks are under pressure when they are hot.
Close cold water shut-off located above tank.
Turn control knob to 'pilot' so pilot is lit but burner will not turn on.
Open hot side on tub for few moments to relieve tank pressure.

Now your property is safe.
You need a new water heater.
In mean time, gas water heater makes 41 gallons hot water per hour.
Shower used 5-9 gallons hot water.
Bath uses 10-15 gallons hot water.
You can turn on water heater for short stretches and limp by until you get a new heater.

Steps for installing gas water heater:
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Dec 20, 2010 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

I have a motorhome that has an LP gas hot water heater. The unit lites and you can see the flame but I have no hot water. Someone told me there is some kind of a valve that is stuck that is restricting the...


If you run hot water thru the hot side of the kitchen faucet does the water heater come on and burner run to provide hot water or does it just start then shut back off. If it starts then shuts back off I would turn thermostat up to a higher temperature. If it will not go any hotter you may need to rplace the gas valve.
Make sure your burner is clean and has a good quality flame .if not clean burner andcheck gas pressssure ti your water heater burners.
I do not know of any valve then normal so I can't help you there. Good luck Thank you.

Dec 10, 2010 | Heating & Cooling

1 Answer

No water comes out of the hot side of my shower or bathtub


Hello,

Based on gas prices, often gas hot water heaters can be a more cost-effective option than electric models and preferred by many homeowners. However, gas hot water heater models can have their own set of problems that differ from electric versions. You will not find it difficult to perform some basic troubleshooting to resolve an issue with a gas hot water heater.

Instructions

  1. 1 Determine if the gas supply has been shut off. No gas will cause the hot water heater to stop producing hot water. Turning the gas supply back on should be your first troubleshooting technique.
  2. 2 Check the pilot light. If you are experiencing no hot water, the pilot light of your gas hot water heater may have distinguished. Turn off the gas source and place a match over the pilot light tube to relight it.
  3. 3 Adjust the thermostat of your hot water heater. If you find that the hot water runs out quickly or does not get hot enough, you may need to set the temperature of the gas hot water heater higher. Typically, set the dial between the medium and hot setting for adequate hot water.
  4. 4 Inspect the gas hot water heater. The burner orifice and flue can both become clogged on a hot water heater. Turn off the gas and use a wire brush to clean out any debris that may have become lodged in these sections.
  5. 5 Ensure that all the burner access covers are in place. If the pilot light will not stay lit, it could be due to exposure to drafts.
  6. 6 Flush the tank. Certain deposits can build up over time when using a gas hot water heater which can cause the tank to produce a banging noise. To flush it, turn the heater off and open the pressure relief valve and drain valve on the water heater. Use a hose to flush water through the system until the hose runs clear.

Thanks.

Oct 15, 2010 | Kohler Home

1 Answer

The hot water shuts down for a few minuts then


your unit is undersized or you do not have enough gas supply to run the unit properly.
If you have to many water features running or you have to many gas items turn on at the same time it can cause problems.

Apr 10, 2010 | Rinnai Water Heaters

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