I am about to replace my heating pump. all i know is the old pump is a grundfos. (about 25years old)
could someone tell me the difference between the grundfos 15/50 and the 15/60 pumps, also are the grundfos alpha range worth the extra cost, thanks
could someone tell me the difference between the grundfos 15/50 and the 15/60 pumps, also are the grundfos alpha range worth the extra cost, thanks