PS, this is what the PTS recommended as a replacement
http://www.screwfix.com/p/fluidmaster-brass-shank-bottom-entry-fill-valve/47792?source=aw&awc=1228_1382176394_dffc53bbe7e12f03b184c7756da39376&cm_mmc=AffiliateWindow-_-DeepLink-_-Na-_-58258
Hi everyone.
Im not particularly great at DIY, so please accept my apologies in advance.
I have a toilet with a siamp filling contraption. Recently, the toilet has been flushing fine, but then filling really slowly, and now when I flush it it doesnt fill using the normal method - but the...