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I was always taught BOCP or BOP Boiler/open vent/cold feed/pump or Boiler/ open vent/ pump.

Mmm... ok then, I will need to have a spy then. Some ladders required me thinks.

Ok, after all the heavy rain we had, i took the oppurtunity to check the roof out so went into the attic and notice a small leak. My roof from the inside, is firstly covered with what looks like chip board, the felt, then the tiles. i broke some of the wet chipboard away and noticed that at...

OK, Here is a pic of the broken mech. Here are two pics with the measurements annotated. In case you cant see them, its 600mm long when both ends are pushed into each other, the mech is 120mm long, and 25mm high from the top of the bar. The width of the mech is 4mm, the...

thanks Crank, Ok, tomorrow I will take it apart an get measurements and photos etc. SWMBO doesnt know, so it will be a nice surprise for her, considering its been broken for about 1yr :-)

Thanks ChrisR, thats what i plan to do, leave the valve, and just rteplace the head, but cant seem to find the head just by itself!!

Ok, i need to change a honeywell powerhead v4043h1056 Just before i do it, there is no reason why this wont work (see link below) http://www.uk-plumbing.com/honeywell-2-port-zone-valve-v4043h-1056-22mm-p-1410.html any other input. Cheers all.

my bad, you are correct, there are screws to remove. Fault is no hot water, only when there is heating is there hot water. Syncron motor is showing 2.5k ohms, so thats ok, so its probally just the mircoswitch maybe or something else. I think overall it would just be easier/quicker for...

can soeone explain how these heads come off. On the ones i have experienced there wasa we plastic clip which just relased it. How do these ones come off????

Ok, I need to change a HW zone valve as part of a s plan system. Heres a pic of it, its the one on top, and as per my luck, its NOT the type which the head can just come off and be replaced!!!! The system has an expansion vessel and hot water cylinder as per this picture. Im my...

OK, this one needs to be fixed of SWMBO will not be happy. I have a double glazed window with a handle to open it, and a lock. What happens now, is when I turn the handle, the spindle just spins in the lock mechanism. I took the handle off, and right enough, where the spindle from the...

ok, i just used xsol, and it too said to check that, so i will.

mmmm.... i drain down then ?

nickso, is this adjustable, or is it a replacement job?

just measured the bath taps, and they too are 8.5l pm. What i dont understand is why is the kitchen taps not 8.5l pm as well, or im guessing its the resistance of the longer pipe run to the bathroom, which isnt that long approx, 5-6 meters. I did the plate heat exchanger test, and run the...

Ok, the girlfriend is doing my t1ts in about this, so i better fix it. Recently, the flow rate coming out of our shower has decreased by a noticable margin. So, i measured the hot water flow rate at the kitchen tap (couldnt find my flow cup, so used measuring jugs) and got 10.5l pm. Did...

i know the ratio will always be checked, but i hve bene told that some condensing boilers MIs ONLY give a specific CO2 reading (NO CO) which must be met aswell as the ratio being ok.

i have procedures here which tell me that if the MI state CO AND CO2, then these have to be within the ranges as prescibed in the MIs. But, it also states if the MIs only state CO2 only, then the ratio should be below 0.004 or less and where listed meets or is less than the specified co2...