Water gets cold every 5 minutes or so for a couple of minutes in sink and shower. Any ideas? Patel Hi Patel, I need more information about your...
Where are the internal pressure valves on a valiant 28? Kind Regards, Craig Hi Craig, Please refer to our exploded parts diagrams for the EcoTEC pro 28. You will...
We have a Vaillant Combi boiler which has been perfect since it was installed around 5 years ago. Recently the tenant has told us that he wasn’t getting hot water...