The Bosch Compress 5800i AW Pre-plumbed Cylinder Indoor Unit is one of three indoor solutions to be paired with the Bosch Compress 5800i AW heat pump. A perfect solution for both UK and IE markets in new build and retrofit, the pre-plumbed cylinder is a compact, easy to install hot water solution. Initially available in three volumes, 180 litre slim, 210 and 250 standard, the pre-plumbed cylinder provides full flexibility for UK homes and includes a 12 litre buffer, primary and secondary circulation pumps, three-way valve, full-colour touch HMI 800 display, space and DHW back-up heater and connectivity as standard.