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Introduction
Congratulations on your purchase of a Heatrae Sadia MegaLife cistern fed vented water heater.
The MegaLife is manufactured in the UK from top quality materials and meets all the latest
relevant safety and constructional standards. The high grade Duplex stainless steel cylinder
offers exceptional strength and corrosion resistance which is backed by a 25 year guarantee.
Its performance and insulation levels meet the latest requirements of Building Regulation Part L.
The MegaLife vented water heater must be fed from a cold water feed cistern located above the
water heater and hot outlets to be served. The unit must have a suitable vent pipe installed on
the outlet that is arranged to discharge over the cold water feed cistern.
Direct units are supplied with either one or two electric immersion heaters (depending on model)
which incorporate an adjustable thermostat and an over-temperature thermal cut-out.
Indirect units are supplied fitted with a thermostat and over-temperature thermal cut-out for the
control of the primary heat input to the MegaLife from the boiler. All indirect models are also
supplied with one electric immersion heater for use as an auxiliary heat source should the
primary heat source be switched off.
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