I am having problems with a GV4 boiler locking out after 20 min. It says acording to the book that it is due to water temp not heating to 140 within 20 min. Any suggestions?

Asked by James Damiano on 11/07/2009 0  Answer

ManualsOnline posted an answer 15 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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