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Mend Protherm 80e Boiler Combi Diagnose

problem with protherm 80e combi boiler?

I have A Protherm 80e combi boiler and the problem is when I run the Hot water it reaches about 50 Degrees then cuts out until it cools down to about 20 degrees and then it fires up again.can anyone out there help to diagnose this fault.

paul g
February 2009
ProthermProtherm 80eHeating, Home Heating SystemsBoiler Combi Diagnose

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