Heatrae Sadia Multipoint Eco Horizontal 50 Litre 3kW Unvented Water Heater 7693980 Heatrae Sadia Multipoint Eco 50L 3kW heater. This 50 litre model is ideal for a single heater where multiple outlets are required. This product is quick and simple to install. It is supplied with a factory fitted temperature and pressure relief valve. It is also available in many other capacities. The dimensions are H- 371 x W- 997 x D- 350. The ERP rating of this heater is B which makes it a very efficient heater. This is available a vertical model as well which makes this heater suitable for all applications. It is supplied with all safety valves and an expansion vessel to go with it.