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Economy 7 Hot Water Cylinders

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Economy 7 Hot water Cylinders by Gledhill


Domestic copper hot water cylinders for use with off-peak electric tarriff

Index Page > Hot Water Cylinders > Economy 7 Hot water Cylinders

Direct and Indirect Economy 7 Hot Water Cylinders

Economy 7 hot water cylinder by Gledhill

ECONOMY 7 Copper hot water tanks and cylinders

An Economy 7 cylinder is designed to exploit an 'off-peak' electricity supply typically available throughout the night.

A feature of an E7 cylinder or tank is the addition of a second immersion heater port (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.

PLEASE NOTE: Economy 7 cylinders have an insulating layer approx nominal 50mm thick for enhanced performance. You must add this to the dimensions shown on the table below for over all measurement.

 
Economy 7 Direct hot water cylinder - twin immersion heaters

ECONOMY 7 DIRECT copper cylinders


 

mm

Capacity (litres)

inches

Price inc vat

1050 x 400

116

42 x 16

210.02

900 x 450

120

36 x 18

210.02

1050 x 450

144

42 x 18

284.15

1200 x 450

166

48 x 18

305.31

1500 x 450

210

60 X 18

363.57

Other sizes available by request

 

 

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Economy 7 Indirect cylinder - twin immersion heaters and boiler heat exchanger for gravity hot water system

 ECONOMY 7 INDIRECT copper cylinders


 

mm

Capacity (litres)

inches

Price inc vat

1050 x 400

114

42 x 16

286.49

900 x 450

117

36 x 18

286.49

1050 x 450

140

42 x 18

302.00

1200 x 450

162

48 x 18

365.79

1500 x 450

206

60 X 18

423.58

Other sizes available by request

Somebody offered to price match? Click here to read more.....

Additions and optional extras

Options available at additional cost include:

 
 

Compression fittings (instead of threaded bosses)

12.00

 

Shower take-off

17.50

 

Additional Tappings (pairs)

18.00

 

Secondary return

12.00

 
 

Immersion Heater (Incalloy) 3kW alloy coated (corrosion resistant)

34.00ea

 

Drain valve (drain cock) [threaded boss included on cylinder]

7.50

     
 

Hi recovery boiler coil (pumped) - indirect model only

45.00

 

Super Recovery coil (Pumped)

poa

 

Ball valve and overflow (supplied loose - not installed)

15.00

 

Additional immersion boss (already supplied with two)

18.00

 

Gravity boiler coil with 28mm connections

(Large bore for AGA, wood burner etc) - Indirect model only

78.00

(please add to stated price)

Positioning tappings to your specification does not normally attract a supplementary charge

     

When sizing a cylinder remember the stated dimensions do not include the thickness of insulation. You must add the thickness of insulation to the cylinder dimension to obtain the finished size. This is most important if the cylinder needs to pass through a doorway or access hatch. Make sure you have enough room to make connections and service immersion heaters.

Illustrations are for guidance only and should not be interpreted as an exact representation.

 

 

Note: Cylinder illustrations are for guidance only. Connections may be positioned to customer requirements (please refer to Designing a Cylinder section) and those shown should not be regarded as 'standard'.

Illustrations show a shower take off/secondary return side mounted at high level. This is not a standard feature and as with a drain, boiler control stat/sensor pocket or any other feature should be stated as a requirement if indeed required.

Economy 7 Hot Water Cylinders

 

Some parts of Scotland, Wales, the West Country and Islands around the UK may require special delivery arrangements, for which there may be additional charges. Please don't hesitate to enquire.


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