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Just refilled system worcestor cdi 24 turned it on but sounds like flame went out after 5-10 seconds no heating or hot water ?

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Did you bleed the system the rads and the pump

Posted on Jun 01, 2010

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Posted on Jan 02, 2017

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I have a tf325 bosch hotwater heater , problem is the flame will not stop when hotwater is turned off ?? Why and how to fix


After hot water has been drawn, the refill contents have to be heated to a set temperature in anticipation of the next demand. Otherwise, there would be a rush of cold or lukewarm water instead of hot.

Jan 27, 2015 | Bosch Water Heaters

1 Answer

How to troubleshoot a water heater


1) If water flow stops when tap is off, then Sound of water running: could be factory-installed heat trap inserts or nipples: These things cause noise.
http://waterheatertimer.org/Low-hot-water-pressure.html#trap
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html#heat-trap
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html

2) If sound of water continues when tap is off, then there is a broken pipe or leak somewhere in plumbing system.

Feb 17, 2013 | Reliance 606 Series 40 Gallon Natural Gas...

1 Answer

When you turn on hot water tap the boiler fires up hot water for a few seconds the water becomes cold the boiler flame goes out then fires up again. when the heating on the flames stays on then off then on...


To avoid having a flame in the absence of water flow, the device you mentioned, 'diaphragm,' detects if adequate water is flowing to avoid a dangerous condition. Check on the housing of it for an adjustment screw; it may have a dot of sealant on it since these normally can be adjusted. It sounds as if it is misjudging the quantity of water flowing through and causing the annoying cycling.

Dec 17, 2010 | Water Heaters

3 Answers

MY VOKERA BOILER IS NOT WORKING I HAVE NO HOT WATER AND NO HEATING


try check in the water pressure on the boiler should be on 1.5 bar

Jun 01, 2010 | Heating & Cooling

1 Answer

Burners ignite but turn off after a few seconds


On a call for heat, the 24 volt thermostat sends a signal to the control module. The control module will indicate a call for heat with a light on the control either blinking or remain solid depending upon model. The inducer (exhaust) blower will purge all gasses from the furnace and pressurize a pressure switch. Once the pressure switch tells the module to continue, the electronic ignition will energize and send 120 volts to the igniter. The igniter will glow and you will be able to see it if viewed thru the small inspection port. Once the igniter gets hot enough, it sends a signal to the module opening up the gas valve (24 volts). Either a pilot will come on or the burner tube will ignite then spread the flame to all burners. Lastly a safety sensor will be looking for a certain temperature within a few seconds and the furnace will continue to operate and the room air blower will turn on in a minute or two.

What could go wrong? The unit will not run if there is no signal from the thermostat (bad thermostat or broken wire), the control module does not sense a signal from the thermostat (bad control), the inducer does not energize (bad motor), the pressure switch does not close (blocked vent piping, bad switch, plugged condensate hose), the igniter does not energize (bad control, bad igniter), the gas valve does not open or there is no gas (bad gas valve, broken wire, no gas), the pilot does not light (dirty pilot), the burner does not light (bad burner, plugged orifice, not enough combustion air), the flame does not spread to each burner (bad flame spreader, dirty flame spreader, more bad burners), the flame safety sensor does not detect flame (dirty or bad flame spreader, bad flame sensor, broken wire, bad control), or the room air blower does not energize (bad fan motor, bad control).

Jan 08, 2010 | Ruud Heating & Cooling

1 Answer

Getting cold water out hot taps have worcestor boiler 24i grey needle on 0 red needle on 1 help


Sounds like a mixing issue. Try turning the cold water supply off,then going to the hot water faucet and see if you are still getting a flow of water out of the faucet. If so then there is a mixing problem somewhere.

Nov 04, 2009 | Water Heaters

1 Answer

Central heating and hot water have suddenly stopped working


not an engineer but maybe a heating compant,, it sounds like you have a relay that has gone bad, you have what we call a winter summer system your domestic water comes from a tank inside the boiler, you might want to think about splitting the system to save you some money in the long run, seperate the water heater from the boiler so you only heat up in the winter, right now you are heating the system that heats your house to get 30 or 40 gals of domestic hot water, it would cost you less by seperating them

May 17, 2009 | Water Heaters

1 Answer

Fault light flashing 1 flash per second


Prior to writing the above fault I had asked the owner to turn the boiler temp controller , for the heating side, down just a fraction . I was phoned this morning to tell me that the boiler had stayed on allnight with no fault light . After consulting with the plumber who fitted the system it appears that there might not be a room stat ,

Nov 30, 2008 | Bosch Water Heaters

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