Sounds like its knackered, there are issues with these units.
Turn the power off, remove the cover from the sender unit and you will see wires in to terminals 1 & 3. Put both wires into the same terminal and your heating should work again until you can replace it. Control the heating by the...
Almost any shower hose will fit. You will get one from your local plumbers merchants or DIY store. The size is 1/2 inch BSPT and you will need to measure the length of the old one as several lengths are available.
I forgot to mention - unscrew the hose from the shower and check the rubber...
The pressure when the system is stone cold should be just above 1 bar. As the system heats up the pressure will rise as the water expands. 2 bars when the system is hot is quite normal.
Steve
Have you checked for a leak yourself?
Close the stop cock and see if the disc in the centre of the water meter still spins.
I replaced a main last week because the water board told the customer that they had a leak. Once dug up the leak was from where they had installed the meter and joined...
My misunderstanding, I thought you said they WERE quarter turn taps :oops:
If they are similar to the the taps in the photo a standard 1/2" tap washer should suffice.
Steve
Sounds like an air lock to me.
Use a wet/dry vacuum on one of the cold taps with the others closed.
There are other methods but I have found this to be the quickest.
Steve
The make and model of the boiler that you have has a lot of relevance.
The manufacturer will state the ventilation requirements. Having 3 vents in the wall and 1 in the door means nothing without stating the free air space available.
My best advice would be to ask you RGI next time you have...
You could wire the ch on in the existing programmer to the live terminal. This will leave the ch permanantly on and then allow control on the new RF programmer.