In this edition of Training Tuesday, James talks you through the three tiers of safety found on all unvented cylinders.

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Please note: This video is intended for competent heating and hot water engineers only, for example must be Gas Safe registered if working with gas, or have the Unvented Hot Water Qualification (G3) and is subject to our full video disclaimer which can be found here: www.baxi.co.uk/important-information/video-disclaimer