The Worcester CDi Compact range features standard kitchen cupboard fit, User-friendly displays for ease of use, Hot water that can be adjusted to fine tune your comfort, Simple boiler control knobs with clear temperature display, Frost protection included, reducing frost risk if installed in a garage or a loft, Wide choice of controls enables greater comfort and economy, Low energy pump which reduces electrical usage, Instantaneous hot water, Achieves an A+ ErP package efficiency rating for heating when installed with a smart internet connected Bosch EasyControl. ERP Rating A/A