ball valve

This ball valve has started leaking and, if possible, I'd like to repair it by either replacing the rubber diaphragm, or the whole unit but without replacing the inlet connection (which has a captive screw which connects to the valve). However, although I've searched through many online...

Hello all - Has anyone seen or heard of brass side entry ballcock valve for the Header Tank in the loft ,but for low pressure mains water, or do they even exist? - All I can find when I do a search is the high 1/2"pressure brass ones - I can find high and low pressure Toilet cistern ones but...

Hi, I'm inexperienced with plumbing but keen to give it a go... also female so don't have man strength or many tools, but have a few! My toilet makes loud foghorn pipe noises after flushing that is resolved when I lift up the ballcock arm. I think the washer may need replacing (after googling...