The Worcester 871860004A0 Gas Valve 8716117868 848 Sigma is a brand new storage tank water heater with a metal tank lining. This compact heater is powered by a corded electric source and has a power consumption of less than 100W. With an energy efficiency rating of A+++, this grey-coloured boiler provides hot water at a temperature range of 60°C to 65°C. Designed by Worcester, a reputable UK-based brand, this gas valve model has a tank capacity of less than 75 litres and a first hour recovery rate of 204 litres per hour.
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