FIRSTLY JUST TO SAY, FIRST TIME ON THIS FORUM AND WHAT A GREAT PLACE. I SHALL BE VISITING OFTEN.
IS THE DIFFERENCE BETWEEN CP53, CP51, CP63 PUMPS THE HEAD HEIGHT OR DO THE NUMBERS MEAN SOMETHING ELSE.
I THINK I MAY HAVE THE WRONG PUMP AS THE RADS ON THE FIRST FLOOR ARE ONLY LUKE WARM...