Which bit?
To work out useage we need a start date with meter reading and a end date with meter reading.
Usually there's an override switch for fast heating outside of the timer. Some people have been knowen to have this on permanently costing them loads, it basically fires the boiler up and stays on until, you turn the switch off again.
To work out useage we need a start date with meter reading and a end date with meter reading.
Usually there's an override switch for fast heating outside of the timer. Some people have been knowen to have this on permanently costing them loads, it basically fires the boiler up and stays on until, you turn the switch off again.