The control panel for the Grant VortexAir hybrid is located inside the boiler casing, immediately above the burner. The control panel should only be access by installers or service engineers. To access the control panel fascia, remove the boiler/burner access panel on the right hand side of the boiler casing. Then turn the handle at the bottom in a clockwise direction to release the catch. Pull the panel forwards at the bottom and remove it from the boiler.
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