crwdns2934241:0crwdne2934241:0 Henry H

crwdns2934249:0crwdne2934249:0:

Have you removed the group head (what I assume you meant by "power head") screen to see if it's clogged? That's much more likely then a scale clog on these machines.

crwdns2915684:0crwdne2915684:0:

open