HELLO FOLKS: I HAVE A PROBLEM WITH A SHOWER THAT IS CONNECTED TO A PUMP AND GETS ITS HOT WATER FROM A CYLINDER VIA AN ******* FLANG (WHICH I HAVE JUST REPLACED). I HAVE NO HOT WATER AT THE SHOWER WHEN ITS TURNED ON ONLY COLD WATER .COULD ANY ONE GIVE ME ANY CLUES AS TO WHAT THE FAULT MIGHT BE THANKS...
