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The unvented hot water cylinder is a firm favourite among homeowners who possess a pressurised central heating system. Supplied with either an external or built-in expansion vessel, an unvented cylinder is particularly desirable as hot water is delivered under pressure and does not require a cumbersome gravity-fed water tank. New unvented hot water cylinders can handle your hot water pressure demands quickly and safely while offering manufacturer's warranties of up to 25 years. Please choose from our extensive range of unvented cylinders from all the leading brands today.

 
 

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372 results

Cylinder Type

Vented: Stores and heats water that is fed directly from a tank in the loft.

Unvented: Provides mains pressure hot water directly from the cold mains.

Direct: Heats water directly using an immersion heater or the heat from a boiler.

Indirect: Relies on a separate heat exchanger to transfer heat from the boiler or another heat source to the water.

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372 results

Cylinder Type

Vented: Stores and heats water that is fed directly from a tank in the loft.

Unvented: Provides mains pressure hot water directly from the cold mains.

Direct: Heats water directly using an immersion heater or the heat from a boiler.

Indirect: Relies on a separate heat exchanger to transfer heat from the boiler or another heat source to the water.

Stock Status


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372 results
telford-tempest-indirect-unvented-heat-pump-cylinder-150l-tsmi150hp

Telford Tempest Indirect Unvented Heat Pump Cylinder 150L - TSMI150/HP

More Options Available
£965.53 inc
VAT
telford-tempest-indirect-unvented-heat-pump-cylinder-170l-tsmi170hp

Telford Tempest Indirect Unvented Heat Pump Cylinder 170L - TSMI170/HP

More Options Available
£1,009.00 inc
VAT
telford-tempest-indirect-unvented-heat-pump-cylinder-200l-tsmi200hp

Telford Tempest Indirect Unvented Heat Pump Cylinder 200L - TSMI200/HP

More Options Available
£1,191.49 inc
VAT
telford-tempest-indirect-unvented-heat-pump-cylinder-250l-tsmi250hp

Telford Tempest Indirect Unvented Heat Pump Cylinder 250L - TSMI250/HP

More Options Available
£1,278.42 inc
VAT
telford-tempest-indirect-unvented-heat-pump-cylinder-300l-tsmi300hp

Telford Tempest Indirect Unvented Heat Pump Cylinder 300L - TSMI300/HP

More Options Available
£1,313.17 inc
VAT
ehc-basic-compact-all-in-one-12kw-electric-boiler-300l-indirect-unvented-hot-water-cylinder

EHC Basic Compact All In One 12kW Electric Boiler & 300L Indirect Unvented Hot Water Cylinder

More Options Available
£2,772.47 inc
VAT
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