Economy 7 Hot water Cylinders by Gledhill

ECONOMY 7 Copper hot water tanks and cylinders

An Economy 7 cylinder is designed to exploit 'off-peak' electricity, typically available throughout the night. A feature of an E7 cylinder or tank is the addition of a second immersion heater (unlike a standard direct cylinder that only has one). The lower of the two elements is typically connected to the economy supply/tariff, the upper heater is usually used as a boost element and operated manually when demand for hot water is high. Our cylinders are supplied with the two immersion heater bosses (the bit you screw the heater into) but immersion heaters are sold separately. Please enquire.

Because you are heating your cylinder overnight it is important to not to loose the stored heat by the morning. Economy 7 cylinders are therefore fitted with an extra thick jacket of insulation - typically 60mm thick, as opposed to the 30mm jacket on a standard cylinder.

Value, Quality, Efficiency and Discount !

PLEASE NOTE: Economy 7 cylinders have an insulating layer approx 60mm thick for enhanced performance. You must add this to the dimensions shown on the table below for over all measurement.

(i.e a 450mm diameter = 570mm including insulation [2 x 60mm])

• 1" bosses
• 2 x 2 1/4" IMH boss (Immersion heaters not included)
• Boiler coil
• Envirofoam HQ insulation

• 15, 22 or 28mm compressions (free)
• High Recovery Coil (£35)

• Shower take off (free)
• Secondary Return (free)
• Incalloy Immersion heater (£25.00 (each) - 3kW, 14" or 22")

Prices as of January 2011

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