crwdns2934241:0crwdne2934241:0 VauWeh

crwdns2934249:0crwdne2934249:0:

The way you describe it, I would guess that the heater is clogged. To check it, you can detach the hoses at the inlet and outlet and blow  through the heater. It must be quite easy. If you are lucky, intensive descaling will help. Replacing the heater is also not that expensive.

crwdns2915684:0crwdne2915684:0:

open