Eco Tec plus 937 Overheating

[RoryD]

The flow and return pipes inside may be the old type which have rubber sections midway down them(likely they are). They'll be blocked. Engineer should squeeze them firmly and crunching will be felt.Thats the sludge breaking up. Replacements required.

 

[jtsplumbing]

The flow and return pipes inside may be the old type which have rubber sections midway down them(likely they are). They'll be blocked. Engineer should squeeze them firmly and crunching will be felt.Thats the sludge breaking up. Replacements required.

Think they have been upgraded to copper pipes now !