How to override a port valve to get your heating or hot water back on.

If you have a heat only boiler and either your heating or hot water fails this is probably due to the port valve not opening properly as you can see by the video it is easy to override. As in the video if the lever is under tension due to the spring then it has not been activated, you must slowly push it over and lock it in position. If the lever has no tension and is floppy then it has been activated by the controls for the boiler Hydro Gas Ltd, we carry out landlords gas safety inspections in North London Hertfordshire and Essex