Traditional in its design, Express is Heatrae\'s original, tried and tested water heater. This water heater has been a favourite amongst customers over the years, who purchase it again and again when updating properties or installing in new premises.  Adaptable to under-sink and over-sink installation Express has a tough metal case, making it easily capable of withstanding the rigours of daily use. Express is available in three sizes and two ratings and can be fitted with a telescopic spout for over-sink or to taps under-sink. Features:  Choice of 7, 15 litre capacities available to purchase 3kW rating (7 litre also available in 1kW) Fast heat up (nine minutes for 50°C rise in 7 litre, 3kW unit) Complete with spout and valve Optional telescopic spout Thermostat adjustable from 5°C to 75°C Dry-start cut-out Long-life alloy-sheathed element Quick and easy installation Designed, engineered and manufactured in the UK Vented tap packs: J K, M, P, Q, R, S/T, W, X, or Y are also required for undersink installations