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Why did he condem it?? What did he write on the warning notice??

Hi Firstly, yes you should always use inserts. Even if you are going into a plastic push fit connection. It is advisable to use the pipe manufacturers inserts but I believe any insert is better than none?? This stops the pipe from being squeezed and poss become out of shape and leak. Can...

I have come across two banging problems on these. 1. resonating external bypass valve. Obviously this would not happen if the heating was off. The other one, which alot of people are mentioning was the expansion vessel but not the usual problem!!! I have come across this on two seperate...

It could just be the Pressure releif valve leaking or like you said it could be the expansion vessel defective

Can you hear/feel your pump running??

You never made it very clear. Do you have heating? Dependant on your answer? it could be you diverter valve? What is the name of the programmer you have? it may need reseting?

What boiler is it?? If it is a pressurised system then you may need to top up the pressure. You may have air in the system?

Could be as simple as the oh stat. Have known these to become weak over time??

Have you got power to the fan??

Don't forget to make sure the pilot is lit

Place a bowl under the pump and undo the cap in the middle. You may have to leave it for a good few minutes

Looking at your picture, you already have a link in LR LS. Therefore your thermostat would not have been working???????????? Take out the link and replace with your two wires Good luck

The one with the nut on sounds as though it is the non return valve. What is the make and model of boiler? Is it upstairs or down?

Hi. Normally the filling loop is between the cold water inlet and the ch return but if have come across them on the flow. The filling loop will have two valves connected to the filling hose. one of them should be a non return valve. This will normally be slightly longer than the normal...

Had a similar problem at a customers house: It turned out to be an easy solution. I opened the stop cock a bit more. The tank was emptying faster than it filled therefore there was not a good head of water in the tank??? Hope yours is as easy.

if you remove the actuator, you will be able to see if the pin inside is moving, in accordance with section 8.1 of your instructions. Chances are it may be the valve inside that is sticking.

slight confusion? you say boiler fires up but no ignition?? I take it you mean that the pump and fan are running?? Obvious question. have you replaced all the leads correctly? and any earth wires? and ignition leads. On a lot of new pcb's you have jumpers which you switch from one position...

The boiler will fire up but the hot water that would normally go around the boiler, goes around the central heating system. A test... Ensure your central heating system is cold, then run your hot tap. As you say the boiler will fire up. feel the central heating flow pipe, if this is getting...

Turn the boiler off for a couple of hours to cool then switch on. When displaying the d, feel the flow pipe to see if it is getting hot? I had a similar problem, saying d. It was the diverter valve defective. The rads were getting hot. I know you said you changed the actuator but it could be...

Yes, the pressure would have gone down as you bleed the rad. What you need to do now is fill (re-pressurise) the boiler. You say you have a key? This should be a white T. If you look under the boiler you will see a hole with a knob to the side of it. Push the key up into the hole as far as...