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When i turn the hot water tap on to get hot water the red pilot button keeps going on off and clicking , after some time runing hot it goes cold and the other warning light starts flashing. its a worchester 24i junior boiler 3 years old. thanks

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Air conditioners do not provide hot water, and gas air conditioners are very rare. I think you would have better results if you post this in a different category.

Posted on Jul 27, 2008

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The pilot light on my daughter's Worcester 240 combi rsf has gone out - how does she re-ignite it?


Hi, I looked up this unit for you and found out it is a hot water system. She needs to get to the main gas valve to light the pilot. This unit has what is called a thermocouple on it that keeps the pilot on, even when the boiler shuts down. Its just a matter of lighting the pilot light. There should be a metal plate with the directions on it at the gas valve to lite it. You will have a knob, more then likely red or black in color on top of the valve. It will say on, off, and pilot. It should be in the on position now. Turn it to pilot. Have some matches with you and a flashlight if you can. You will need to look back into the burner area to where your pilot light will be. The thermocouple is a copper colored tubing that runs right back to the pilot, as it has to get hot from the pilot flame to work. To start, depending on how far back you have to reach with the match, you may need to use a piece of solid cardboard rolled up, a small piece to light it and reach in. Turn the knob to pilot. Now, push down on the knob and hold it down. This lets gas get back to the pilot, so you must keep it down and light it at the same time. Once it is lite, you have to hold it down for at least a minute. Slowly release it, very slow. The flame should then stay on. Once it is on, turn the gas knob to on. With the thermostat set to come on, it will fire up and heat the water. If the pilot will not stay lite after you hold it down for 1 minute, and keeps going out, the thermocouple will need to be replaced. It is the copper line that screws into the gas valve and goes back to the pilot. You can get them at any hardware store for around $6.00. Maybe you can help her install it. It is very simple to do. I believe the pilot just blew out and she will need to light it. Just follow what I have told you, and she will get it lite. Good Luck to you.
Shastalaker7
A/C, & Heating Contractor

Apr 10, 2011 | Heating & Cooling

2 Answers

There was no hot water so repressurised as the pressure wass low the red light remained on but occassionally when turn hot tap on the green light comes on there is hot water then it shuts down and red...


These sure were not out for long. The bright red button is a pressure release valve which could be faulty hence allowing water to bypass out of the system and not having hot water. Try strapping a bag around the pipe that goes outside and see if it fills with water. To top up your system look on the pipes just below the boiler. There should be a cold filling loop or a connection for one. If not get one from a plumber and ask them how to fill system up, its straight forward enough and your problem should be fixed with this info

let me know if you have further questions

my best to you

Aug 05, 2008 | Heating & Cooling

1 Answer

Do I need to replace the thermocoupling on my Reliance 501 gas water heater? Model is 5 30 NOMT7 C. Recently, I've noticed an intermittent problem with the the hot water not staying consistent. So we're...


The thermocouple is a safety for the gas valve. It tells it the pilot light is lit. If your pilot light is not going out and the burner fires when you turn up the thermostat, it is all working as it should. In other words, if you don't need to re-light the pilot, your thermocouple is OK. Turning up the temperature of the water is a good idea, just be careful not to burn anyone with the hotter water. You mite want to try a water saver shower head. Some don't throw enough water to get the soap off, but I bought one that can be turned to adjust flow and we have been happy with it. If I missed what you need from this, please let me know. Roger

Apr 10, 2011 | Heating & Cooling

1 Answer

My pilot light went out and when I try to relight it, the flame will light when I press down on the red button by the gas control valve. I hold it down for about a minute like the instructions say but when...


Hi you will need to replace the thermocouple. This is the copper tube that screws in to the gas valve and goes back and mounts along side of the pilot. Most will pull straight out. When they go out, the pilot will light when you hold the red button down, but as soon as you release it off it goes. You can but this thermocouple at any hardware store. They come in different lengths, But I would get a 36" one. They will coil up so they wont be in the way. Its better to have a longer one then one that's to short. Make sure the tip is in the flame, or it will do the same thing. It has to get very hot to keep and produce milivolts to keep it on.Please don't forget to rate me on this as I know you will be kind. This will solve your problem for sure.
Sincerely,
Shastalaker7
A/C, Heating Contractor

Sep 10, 2010 | Heating & Cooling

1 Answer

When you turn hot tap on nothing happens to the boiler just cold water out of tap when heating switched on pump starts but does not ignite


I think you are working on a RV water heater.
Check the reset on the unit and turn your beakers off and on.
If you are working on a gas water heater is the pilot lit.
If you can get us a little more INFO we can help you better.

May 16, 2010 | Heating & Cooling

1 Answer

We seem to have developed a problem with our boiler, worcester 20/25 heatsave. Every time we turn on a hot water tap, when we turn the tap off, there apears to be a loud noise from the boiler or pipes for...


it seams the valve that senses water flow is not operating properly,causing the boiler to keep heating the water when it has nowhere to go,i,e the taps turned off,thus boiling the water.

Jan 12, 2009 | Heating & Cooling

1 Answer

I need help relighting the pilot light on my Marco mfg gas fireplace-model # 794015c


First, turn the wall switch to the off position. Second, turn the key all the way tcountercockwise to the open position. At the front of the unit, below the hearth opening there is a black front access panel. Should have a little recessed part. pull it out and expose the gas valve. Turn the plunger/knob that says off, on, pilot to the pilot position. You'll knw your in the pilot position when it lines up with the indicator (usually a red or black mark on the gas valve body). If you are in the pilot position, you will be able to push in the pilot (it will feel springy). Push the plunger in and then push the red button (piezo ignition button) in until it makes a snapping sound. You may have to do this several times because the air has to bleed out from the pilot tubing. This should light the pilot BUT wait. DO NOT LET GO OF THE PLUNGER ONCE THE PILOT IS LIT. You need to keep the plunger depressed for about 30 seconds and then let it go. After 30 seconds let the plunger go and verify the pilot is lit. If not try the last step over. After the pilot is lit, you may turn the plunger/knob to the on position. Now go back to the wall switch and flip it on. If it doesn't come on tap it hard. Sometimes dust can actually prevent it from making good connection. I work on fireplaces for a living and coincidentally worked on this model today. Simple as pie.

Dec 28, 2008 | Heating & Cooling

1 Answer

I need to know how to light the pilot on my somewhat old water heater. The model is called the challenger 5 the model number 153.331471


On these older gas water heaters there is a gas control with temperature selection and below that is a removable cover. Once you remove the cover you can gain access to the pilot. You must rotate the knob on the top of the control to the pilot position. When in the pilot position, hold the red button down and light the pilot. Continue to hold the button down after the pilot is lit for about one minute. If when you release the red button the pilot goes out, try one more time. If it goes out again after releasing the button your thermocouple is bad and must be replaced. The thermocouple generates a millivolt electrical current that hold the gas valve in the operating condition when the pilot is lit. When the pilot goes out there is no heat to generate this small electrical field.

Jun 08, 2008 | Kenmore Heating & Cooling

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