Why do boilers fail , strip down of Vissmann 100 combi boiler blocked or nearly blocked rubber hoses. Why do hoses block. take out every part. Full strip down of the viessmann 100 combi boiler. cutting up the rubber hoses.
Why do boilers fail , strip down of Vissmann 100 combi boiler blocked or nearly blocked rubber hoses. Why do hoses block. take out every part. Full strip down of the viessmann 100 combi boiler. cutting up the rubber hoses.