top image: the two back pipes (22mm) feed the bath taps, there is then an elbow on each to 15mm pipes to feed the shower. The hot water pipe gets warm immediately when running the shower (until it disappears into the wall)...but no/v.minor flow when running the hot water only.
Thanks John. The connections are definately the right way round. This is a brand new shower unit so I wouldn't expect anything to be blocked. I will try and dismantle tonight and give it another go. Very frustrating!
Hi, I'm in the process of installing a new bathroom and am having trouble with the shower. I am getting a good flow of hot water from the bath tap. The water feed to the shower is elbowed from below the bath taps up to the shower valve. Before installing the shower I ran seperately the hot and...