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Harryfox121 To answer your point I will try to explain how the boiler works. 1, There are two heat exchangers above the flames at all times. 2, on call for hot water the DHW flow switch is closed the diverter valve moves to circulate the CH water round the boiler tripping the CH...

Harryfox121, On looking at the manual to refresh my memory, The flow switch for the DHW is located on the cold water inlet to the boiler so the pump would not have to be working for the boiler to fire. But for the heating I agree with you the pump should be running to trip the CH flow...

Alex, What makes you say that the pump is working OK? You say the pump is very Hot, This, along with your boiler problems, point to one thing, The pump is no longer serviceable. :cry: unscrew the large chrome screw from the centre of the pump and check that the shaft is turning...

All looks nice and neat under your sink, :D But, one big mistake, which is probably causing your problem. :shock: your washing machine hose is incorrect, Starting at the w/m the hose should rise as high as possible to underside of worktop then drop down to connection to waste trap...

Mattyladd, Do not even think about it unless you are happy to eat off dirty plates and wear dirty looking stained cloths. Dish washers, need cold water to remove the remnants of food, egg will not be removed if hot water is used, and it will be very difficult to remove by hand after...

Jbuild You have answered your own question, the reason for the flare up and the flame going out is you are using the blowlamp at an angle and upside down, when you do this the liquid gas comes out of the nozzle causing the flame to flare. It will probably say on the instructions...

Banjo13. That all sounds correct to me. when you use the domestic hot water the water for the heating gets hotter than is required, so the boiler shuts down untill the system has cooled down to the required level for heating David.

jeffc1970 If the white wire goes to the spark electrode and looks like copper then you only have to worry about the flame sensing cable. without writing an essay on flame rectification (look it up on goggle) the pcb sends a very low current down the lead through the flame sensing...

jeffc1970 Sorry about your deafness I will not shout so loud next time. be very careful with the leads on the other boiler They are not your average bit of copper wire with a pushfit connector crimped on either end. I think you might find they are strands of cotton??? covered with...

jeffc1970 I SAID SIMPLE. DO NOT ARGUE CHANGE THE LEADS NEVER MIND YOUR CONTINUITY TEST TOMORROW MORNING CHANGE THE LEADS MUST BE BAXI GENUINE PARTS. OTHER LEADS MAY NOT WORK David. yes I am shouting.

Simple................. Change the lead to the spark electrode and the lead to the flame sensing electrode. use only Baxi genuine parts about GBP3 for each lead........ cheaper than a new boiler. David.

Please do yourself and your family a favour....... Turn off the immersion heater at the switch by the DHW cylinder and call in an electrician. If I am reading your post correctly you do not have a clue at what you are doing, You are so far off the mark that no way will I give you any...

It is a problem with all push on fittings because chrome is so hard the little metal grips cannot dig into pipe so when the pressure is turned up you get a very big leak as the fitting blows off the end of the pipe :oops: The chrome will come off easily with a decent file

As pump appears to be working as you say the DHW is OK I would check two things 1, is the room thermostat turned down too low :oops: 2, move the manual lever on 3 port valve to the manual position and lock it in this position. does the heating now work? The heating must be working if...

Just looked on the potty web site overheat reset switch is beside main thermostat control knob just push in with your finger then relight pilot and check the pump is running. If pump not running check you have 230volts at the pump connections. if no 230 at pump check your wiring in box...

I think there are two problems here 1, is the pump now working? 2, I am not familiar with this boiler but would suspect the following has happened, you changed the 3 port valve and everything worked ok, then the pump stoped working with the boiler still firing I would say the next thing...

From your description of a very very hot pump I would say that your last words in brackets is the answer to your problems, "In event of pump lock" turn off heating system undo screw with above markings some water will come out be careful it may be hot. insert screwdriver into end of...

Have you got a Solo boiler or have you got a combi boiler? why are you trying to get the boiler working with no water in the system? Turn the system off at the spur, and remove the fuse. Get Corgi installer in to repair the pipe and check you have not damaged the boiler beyond repair...

A few more details would help with this one. "The Little square peg just outside your house" is this in your garden or is it outside your garden in the pavement, grass verge, etc, What type of house is it and approx age? Are you on a shared water supply? The answers to the above...

Assuming there is a seperate bleed valve to each panel of your rad, and the panel that is not working is the one you have tried to bleed with no air or water comming out of the bleed valve, try the following: turn off both rad valves, take out the bleed screw, do not drop or loose this. then...