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View Full Version : When I turn on the hot tap the water runs hot then cold hot then cold


stevec1982
Aug 27, 2010, 10:33 AM
When I run the hot tap, the water runs hot then cold, hot then cold. The boiler ignites when the tap is turned on but then goes off and on, off and on while the tap is running. I have a ravenheat LS80(T) combi boiler