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Bosch p13 water heater

Pilot light on but wont ignite gas when you turn on the tap

Posted by Anonymous on

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Tankless water heater pilot light will not stay on

It is most likely the water valve stuck open, telling the controls to heat water, that it thinks is flowing through it, but without actual flow it overheats. Depending on how comfortable you are with taking it apart yourself, you could open the valve to see if it just needs cleaned out, or if you have a ruptured diaphragm or some other cause.

Posted on Apr 22, 2009

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co7196
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SOURCE: no hot water, pilot light lights but no burner ignition

Thermo coupler may be defective. it controls the main gas valve by closing main if pilot is out. make sure thermo coupler bulb is positioned over and near tip of pilot flame, but not in the flame. Thermo couplers are inexpensive and easy to change out.

Posted on May 06, 2009

  • 2 Answers

SOURCE: i have a richmond gas hot water heater model

resetting your lock out for richmond power vent

Posted on Nov 26, 2009

kel1guy2002
  • 3740 Answers

SOURCE: pilot light on water heater wont stay lit

The thermocouple has failed. It is the temp probe that goes from the pilot lite burner area to the control valve. Go to your local plumbng repair shop and buy one. Most appliance parts stores have them also. Take the old one with you and they will hook you up with an exact replacement. They are not that hard to change. Usually a nut or 2 screws in the temp bulb area at the burner end and a nut that threads into the control valve.
Make sure before you install the new one that the area where it mates to the gas valve is clean. Should be about a 20 min job including clean up with replacement parts in hand.

Posted on Jan 23, 2010

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  • 518 Answers

SOURCE: I have a Bosch AquaStar AQ-125-BNG tankless water

there is a small dia copper pipe which has a thermal coupling on it the end of it sits in the flame of the pilot light,
if it fails which it does after about 25-15 months,it shuts down the gas burner

Posted on Jul 05, 2010

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1 Answer

I have a bosch aquasar 125b tankless water heater and the burners do not light when hot water is turned on this also causes the pilot light to go out


possible faulty pressure switch connected to the water line and that is failing to turn on the main gas tap solenoid
best have it checked by an accredited gas fitter or service center for the make

Aug 20, 2016 | Bosch AquaStar Indoor Natural Gas Tankless...

1 Answer

Bosch water heater


Most likely the thermocouple is bad. If its bad it will not allow the gas line to open.

Aug 20, 2014 | Water Heaters

1 Answer

Cannot find pilot light on my bosch GWH635ESL, help!


Call Bosch
Gas Products Technical Support: 800-642-3111

That model number is only shown at one website, and that model number is not shown at Bosch.
Open following link for Bosch:
http://www.boschwaterheater.com/BoschHotWatercomHome/GasProducts/tabid/331/Default.aspx
Search of Bosch for that model number shows no result.

Some water heaters do not have a pilot light. Instead they use hot surface igniter rod that glows red hot
The igniter rod ignites the gas after solenoid valve opens and gas flows to combustion chamber.
The igniter rod and heat sensor have to be operational, and have to be positioned correctly for ignition to take place.
If igniter rod is not working, or if heat sensor does not detect flame, then gas solenoid valve shuts down and water heater does not heat water.

Sep 03, 2011 | Bosch Water Heaters AquaStar - Tankless...

1 Answer

Hydrapower 10h -pilot lights but gas wont light only lights when I tap the pilot tube. Then works for a while and reverts to not lighting the gas again


First suspect is air in gas line or dirty combustion parts.
Typical gas water heaters today suggest cleaning burner parts yearly, including bleeding air out of gas line.
Use a burner brush to clean tubes:
http://www.rvparts.com/product-85-91872

Other suspect could be faulty wiring or bad gas valve.

Jun 15, 2011 | Bosch Water Heaters

1 Answer

I have a Bosch AquaStar AQ-125-BNG tankless water heater. It has worked very well until recently. The problem: The hot water at the tap is turned off, the flame on the main burner keeps burning and...


there is a small dia copper pipe which has a thermal coupling on it the end of it sits in the flame of the pilot light,
if it fails which it does after about 25-15 months,it shuts down the gas burner

Jul 05, 2010 | Bosch AquaStar Indoor Natural Gas Tankless...

2 Answers

The pilot goes off and on and does not light the burner


ok make sure u turn everthing thing off then wait 5 min then turn the dail that controls the heat on it to pilot light then turn the gas nob to pilot then ignit it once lit wait a few seconds and turn gas nob to on pisition then turn heat dail to were the arrow is not to a b or c cause the gas is to high it will blow it self out

Nov 17, 2009 | Bosch 1600H-NG Natural Gas AquaStar...

1 Answer

I don't know how to restart my old bosch water wizard 10p, pilot light has gone out.


get a long stick match, a flashlight remove lower inspection cover, find thermocouple and pilot light will be next to it,turn gas valve to pilot light and hold down,stick the match in by thermocouple till the pilot lights and hold valve down till pilot stays lit,this may take a minute or more,then release gas valve and see if pilot stays lit, if not retry,if it wont stay lit,the thermocouple is defective and needs replacement

Jul 12, 2009 | Bosch & Tankless LP Hot Water Heater

1 Answer

Electronic water heater burner often won't light tho pilot's on


it sounds like you pilot lite is to far away from the burner, make sure that the burner is sitting in it;s purch, look thru the site glass it can be moved by hitting or bumping into the out side of the gas tubes on the outside of water heater, if not, the burner assembly may have soot on it. you might also want to make sure the filters are not clogged on the shut offs that will give it less pressure then it needs to make the unit come on,, write me , gary1121@aol.com

May 15, 2009 | Bosch AquaStar 125FXKIT-LP 125FX Liquid...

1 Answer

No hot water, pilot light lights but no burner ignition


Thermo coupler may be defective. it controls the main gas valve by closing main if pilot is out. make sure thermo coupler bulb is positioned over and near tip of pilot flame, but not in the flame. Thermo couplers are inexpensive and easy to change out.

May 05, 2009 | Bosch & Tankless LP Hot Water Heater

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