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Boiler pressure constantly dropping. A bit of internet digging suggested that the diaphragm in the expansion vessel had blown (unscrew the the cap on the valve at the top, press the middle in and if water comes out the diaphragm is punctured). Fitting is straight forward, turn off the boiler, close off all the radiators, unscrew the bracket and the pipe feeding into the vessel and have a bowl ready! Reverse the process, job done. Fitted a couple of months ago, pressure rock steady.
Verified purchase: Yes | Condition: New
Good value for money
Verified purchase: Yes | Condition: New
Excellent
Verified purchase: Yes | Condition: New
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