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Water Storage

There are two main types of water storage cylinder: direct and indirect.

Direct cylinders are a standard hot water tank found in most homes, with water sourced from a cold water tank usually in the loft or roof space. This type of cylinder is used when water for washing from the cylinder circulates directly through the boiler. There is no heating coil, so the water is heated directly by the immersion heaters located inside the cylinder – often meaning the recovery time is longer than with an indirect cylinder.

Indirect cylinders are used where water that’s used to heat the boiler and radiators is used to heat the hot water in the cylinder, but is kept totally separate from the water used for washing in the cylinder. Water from the boiler and radiators continuously re-circulates through the coil in the cylinder to heat the water, but never comes into direct contact with the water used for washing. These cylinders normally operate at around 80°C.

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18 Items

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CLEARANCE - everflo Stainless 300 L Direct Unvented Hot Water Storage Cylinder & Kit

CLEARANCE - everflo Stainless 300 L Direct Unvented Hot Water Storage Cylinder & Kit

Save £76.02
£760.16 £684.14 £570.12
On Sale £570.12
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CLEARANCE - everflo Stainless 150 L Slim-Fit Direct Unvented Hot Water Storage Cylinder & Kit

CLEARANCE - everflo Stainless 150 L Slim-Fit Direct Unvented Hot Water Storage Cylinder & Kit

Save £86.64
£866.44 £779.80 £649.83
On Sale £649.83
1 Available for Delivery
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Onyx 90 Litre Direct Stainless Steel Unvented Cylinder

Onyx 90 Litre Direct Stainless Steel Unvented Cylinder

Save £17.76
£355.24 £337.48 £281.23
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Onyx 125 Litre Direct Stainless Steel Unvented Cylinder

Onyx 125 Litre Direct Stainless Steel Unvented Cylinder

Save £20.76
£415.16 £394.40 £328.67
On Sale £328.67
13 Available for Delivery
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Onyx 150 Litre Direct Stainless Steel Unvented Cylinder

Onyx 150 Litre Direct Stainless Steel Unvented Cylinder

Save £22.32
£446.42 £424.10 £353.42
On Sale £353.42
6 Available for Delivery
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Onyx 170 Litre Direct Stainless Steel Unvented Cylinder

Onyx 170 Litre Direct Stainless Steel Unvented Cylinder

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£468.60 £445.18 £370.98
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Onyx 200 Litre Direct Stainless Steel Unvented Cylinder

Onyx 200 Litre Direct Stainless Steel Unvented Cylinder

Save £24.92
£498.54 £473.62 £394.68
On Sale £394.68
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Onyx 250 Litre Direct Stainless Steel Unvented Cylinder

Onyx 250 Litre Direct Stainless Steel Unvented Cylinder

Save £29.05
£580.93 £551.88 £459.90
On Sale £459.90
27 Available for Delivery
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Onyx 300 Litre Direct Stainless Steel Unvented Cylinder

Onyx 300 Litre Direct Stainless Steel Unvented Cylinder

Save £33.04
£660.79 £627.76 £523.13
On Sale £523.13
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Ideal Pro 90 L Direct Unvented Cylinder

Ideal Pro 90 L Direct Unvented Cylinder

£376.70 £313.92
38 Available for Delivery
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Ideal Pro 120 L Direct Unvented Cylinder

Ideal Pro 120 L Direct Unvented Cylinder

£443.29 £369.41
41 Available for Delivery
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Ideal Pro 150 L Direct Unvented Cylinder

Ideal Pro 150 L Direct Unvented Cylinder

£478.02 £398.35
44 Available for Delivery
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Ideal Pro 180 L Direct Unvented Cylinder

Ideal Pro 180 L Direct Unvented Cylinder

£502.67 £418.89
31 Available for Delivery
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Ideal Pro 210 L Direct Unvented Cylinder

Ideal Pro 210 L Direct Unvented Cylinder

£535.93 £446.61
24 Available for Delivery
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Ideal Pro 250 L Direct Unvented Cylinder

Ideal Pro 250 L Direct Unvented Cylinder

£627.48 £522.90
21 Available for Delivery
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Ideal Pro 300 L Direct Unvented Cylinder

Ideal Pro 300 L Direct Unvented Cylinder

£716.21 £596.84
19 Available for Delivery
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Gledhill Stainless Platinum 210L Direct Internal Expansion Unvented Cylinder

Gledhill Stainless Platinum 210L Direct Internal Expansion Unvented Cylinder

£867.49 £722.91
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Gledhill Stainless Platinum 290L Direct Internal Expansion Unvented Cylinder

Gledhill Stainless Platinum 290L Direct Internal Expansion Unvented Cylinder

£1,047.49 £872.91
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18 Items