Discover how feedback from 60,000 uk drivers helps us steer people to the most reliable cars. The warranty terms and conditions can be found here and carry the plain english campaign crystal mark: http://warranty.baxi.co.uk/terms. Parked cars often prevent us from cleaning drains so we aim to give you as much advance notice as possible using temporary road signs that will inform you when we need to clean those in your area. Boiler care consists of the following products. Approved.