There are two options for service kits for the Vision available depending on the model of the unit. SK-VISION-PACK-A (https://www.reznor.co.uk/product/service-kit-a-for-vision-products/) SK-VISION-PACK-B (https://www.reznor.co.uk/product/service-kit-b-for-vision-products/)
Is there a service kit available for the Vision units?
General technical information about Reznor's products