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Economy 7 Hot Water Cylinders

Economy 7 Copper Cylinders


Direct, Indirect and Combination Economy 7 cylinders

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Economy 7 (Maxistore) Copper Cylinders


 

Economy 7 (Maxistore) cylinders and combination tanks are designed to take advantage of the various cheap rate and night-time tariffs of by electricity providers.

What is ECONOMY 7

At night, the cost of electricity drops considerably with demand. This is an ideal time for the householder to take advantage of cheap rate fuel and heat domestic hot water. Economy tariff electricity can be used exclusively, or in conjunction with an indirect heat source (such as a boiler).

Direct Economy 7 hot water cylinder

Economy 7 (Maxistore) Direct cylinders are generally designed with two heating elements. The lower of the two heats the cylinder overnight, the upper is utilised as a 'boost' element.

Indirect Economy 7 hot water cylinder

An Economy 7 cylinder may also be fitted with a boiler coil. If so, the cylinder can be heated by a boiler as required but can also take advantage of cheap electricity when available.

Extra thick Economy 7 insulation

Because Economy 7 cylinders are generally heated overnight they are invariably coated with an extra thick covering of insulation that dramatically reduces any standing heat losses, ensuring the cylinder is still full of hot water by morning.

 

 

Please note: Economy 7 insulation is approx 50mm thick. Dimensions stated below do not include the insulation. Therefore, 100mm must be added to the stated diameter to appreciate the finished size of a unit.

Direct Economy 7 combination hot water cylinder
 

 

 

Economy 7 DIRECT hot water cylinder

(Configured for Economy 7 tariff with two heater bosses, E7 lagging)

B   A  

 1st April 2013

inc VAT

900 x 450 36 x 18 246.59
1050 x 450 42 x 18 315.03
1200 x 450 48 x 18 337.19
1500 x 450 60 x 18 391.55
1800 x 450 72 x 18 411.40
1800 x 400 72 x 16 392.77
Direct Economy 7 hot water cylinder

Please refer to the Extras and Additions table

Economy 7 INDIRECT hot water cylinder

(Configured for Economy 7 tariff with two heater bosses, boiler coil, E7 lagging)

B   A  

 1st April 2013

inc VAT

900 x 450 36 x 18 318.68
1050 x 450 42 x 18 327.15
1200 x 450 48 x 18 349.27
1500 x 450 60 x 18 402.45
1800 x 450 72 x 18 485.55
1800 x 400 72 x 16 444.94
Economy 7 (E7) Indirect hot water cylinder

Please refer to the Extras and Additions table

Extras and additions (please add where appropriate to prices above) inc VAT
Immersion Heater  
Cylinder boss included if required, 3kW Incalloy Immersion heater additional extra 32.00 ea
Insulation  
Standard foam insulation (approx 50mm) exceeding Part L heat loss Included
Upgrade insulation to 75mm thickness 68.00
Upgrade insulation to 100mm thickness 132.00
Cylinder connections  
Drain valve (drain cock) 7.50
High recovery boiler coil (improves cylinder reheat time given sufficient input) 45.00
Power shower take-off 17.50
Secondary return 12.00
Compression fittings (instead of male or female threaded bosses) 12.00
For cylinder with gravity coil (for AGA, Rayburn, Woodburner etc) click here
Configuring the position of connections (please refer to guide) No additional cost
For other modifications please don't hesitate to ask  
 

Economy 7 COMBINATION INDIRECT hot water cylinder

(Configured for Economy 7 tariff with two heater bosses and a Boiler Coil with combined cold water header section)

 Height   Diameter Capacity (litres)

inc VAT

900  x 450  120 390.27
1050  x 450  144 4113.12
1200  x 450  166 434.64
1400  x 450   451.85
1500  x 450  222 515.81
1800  x 450  268 584.58
1800  x 500  276 712.65

Economy 7 (E7) Combination Direct hot water cylinder

Economy 7 combination indirect hot water cylinder

Please refer to the Extras and Additions table

Economy 7 COMBINATION DIRECT hot water cylinder

(Configured for Economy 7 tariff with two heater bosses. No Boiler Coil. Combined cold water header section)

Height   Diameter Capacity (Litres) inc VAT
900 x 450  120 337.33
1050 x 450  144 354.96
1200 x 450  166 375.94
1400 x 450   392.26
1500 x 450  222 399.74
1800 x 450  268 455.91
1800 x 500  276 583.95

Economy 7 combination direct hot water cylinder

Please refer to the Extras and Additions table

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Economy 7 Hot Water Cylinders

 

 

 


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