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Direct Unvented Hot Water Cylinders

Explore our range of direct unvented hot water cylinders from leading manufacturers including Joule, Megaflo and Telford. Designed to store and supply hot water efficiently, direct unvented cylinders are suitable for domestic hot water systems where the water is heated directly within the cylinder.

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Joule Invacyl Standard Direct Unvented Cylinder 210 Litre - Stainless Steel

Joule
Original price £475.89 - Original price £475.89
Original price
£475.89
£475.89 - £475.89
Current price £475.89

The Joule Invacyl Standard Direct Unvented Cylinder 210 Litre is a direct-heated stainless-steel hot water storage cylinder designed for unvented m...

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Original price £475.89 - Original price £475.89
Original price
£475.89
£475.89 - £475.89
Current price £475.89

Joule Invacyl Unvented 180L Direct Cylinder Standard Stainless Steel - TRBMVD-0180LFB

Joule
Original price £456.84 - Original price £456.84
Original price
£456.84
£456.84 - £456.84
Current price £456.84

The Joule Invacyl Unvented 180L Direct Cylinder Standard (TRBMVD-0180LFB) is a robust stainless-steel hot water cylinder designed for unvented ma...

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Original price £456.84 - Original price £456.84
Original price
£456.84
£456.84 - £456.84
Current price £456.84

Joule Invacyl Unvented 150L Direct Cylinder Standard Stainless Steel - TRBMVD-0150LFB

Joule
Original price £437.84 - Original price £437.84
Original price
£437.84
£437.84 - £437.84
Current price £437.84

The Joule Invacyl Unvented 150L Direct Cylinder (TRBMVD-0150LFB) is a high-performance stainless-steel hot water cylinder designed for reliable d...

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Original price £437.84 - Original price £437.84
Original price
£437.84
£437.84 - £437.84
Current price £437.84

Joule Invacyl Unvented 120L Direct Cylinder Standard Stainless Steel - TRBMVD-0120LFB

Joule
Original price £418.79 - Original price £418.79
Original price
£418.79
£418.79 - £418.79
Current price £418.79

The Joule Invacyl Unvented 120L Direct Cylinder (TRBMVD-0120LFB) is a robust stainless-steel hot water storage cylinder designed for direct unvente...

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Original price £418.79 - Original price £418.79
Original price
£418.79
£418.79 - £418.79
Current price £418.79

Joule Invacyl Unvented 90L Direct Cylinder Standard Stainless Steel

Joule
Original price £373.75 - Original price £373.75
Original price
£373.75
£373.75 - £373.75
Current price £373.75

The Joule Invacyl Unvented 90L Direct Cylinder is a compact stainless steel hot water storage solution designed for domestic properties and in...

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Original price £373.75 - Original price £373.75
Original price
£373.75
£373.75 - £373.75
Current price £373.75

Joule Invacyl Slimline Direct Unvented Cylinder 210L

Joule
Original price £678.71 - Original price £678.71
Original price
£678.71
£678.71 - £678.71
Current price £678.71

The Joule Invacyl Slimline Direct Unvented Cylinder (210L) is a high-capacity, space-saving stainless steel hot water cylinder designed for unvent...

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Original price £678.71 - Original price £678.71
Original price
£678.71
£678.71 - £678.71
Current price £678.71

Joule Invacyl Slimline Direct Unvented Cylinder 180L

Joule
Original price £640.50 - Original price £640.50
Original price
£640.50
£640.50 - £640.50
Current price £640.50

The Joule Invacyl Slimline Direct Unvented Cylinder 180L is a high-capacity stainless steel hot water cylinder designed for unvented mains-press...

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Original price £640.50 - Original price £640.50
Original price
£640.50
£640.50 - £640.50
Current price £640.50

Joule Invacyl Slimline Direct Unvented 150L Cylinder

Joule
Original price £635.69 - Original price £635.69
Original price
£635.69
£635.69 - £635.69
Current price £635.69

The Joule Invacyl Slimline Direct Unvented 150L Cylinder is a slim-profile stainless-steel hot water cylinder engineered for unvented mains-pressur...

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Original price £635.69 - Original price £635.69
Original price
£635.69
£635.69 - £635.69
Current price £635.69

Joule Invacyl Slimline Direct Unvented Cylinder 90L

Joule
Original price £549.30 - Original price £549.30
Original price
£549.30
£549.30 - £549.30
Current price £549.30

The Joule Invacyl Slimline Direct Unvented Cylinder (90L) is a compact, high-quality stainless steel hot water cylinder designed for unvented ma...

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Original price £549.30 - Original price £549.30
Original price
£549.30
£549.30 - £549.30
Current price £549.30

Telford Tempest Direct Unvented Hot Water Cylinder 90L - TSMD090

Telford
Original price £669.18
Original price £669.18 - Original price £669.18
Original price £669.18
Current price £557.65
£557.65 - £557.65
Current price £557.65

The Telford Tempest Direct Unvented Hot Water Cylinder 90L (TSMD090) is a compact, floor-mounted cylinder designed for properties with mod...

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Original price £669.18
Original price £669.18 - Original price £669.18
Original price £669.18
Current price £557.65
£557.65 - £557.65
Current price £557.65
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Telford Tempest Stainless Steel Direct 125L Unvented Cylinder - TSMD125

Telford
Original price £669.18
Original price £669.18 - Original price £669.18
Original price £669.18
Current price £557.65
£557.65 - £557.65
Current price £557.65

The Telford Tempest 125L Direct Unvented Cylinder (TSMD125) is a high-quality stainless steel hot water cylinder designed to provide reliable mai...

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Original price £669.18
Original price £669.18 - Original price £669.18
Original price £669.18
Current price £557.65
£557.65 - £557.65
Current price £557.65
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Telford Tempest Stainless Steel Direct 170L Unvented Cylinder - TSMD170

Telford
Original price £728.67
Original price £728.67 - Original price £728.67
Original price £728.67
Current price £607.23
£607.23 - £607.23
Current price £607.23

The Telford Tempest Stainless Steel Direct 170L Unvented Cylinder – TSMD170 is designed to provide a reliable and efficient hot water solution fo...

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Original price £728.67
Original price £728.67 - Original price £728.67
Original price £728.67
Current price £607.23
£607.23 - £607.23
Current price £607.23
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Telford Tempest Stainless Steel Direct 200L Unvented Cylinder - TSMD200

Telford
Original price £758.40
Original price £758.40 - Original price £758.40
Original price £758.40
Current price £632.00
£632.00 - £632.00
Current price £632.00

The Telford Tempest Stainless Steel Direct 200L Unvented Cylinder – TSMD200 is a high-capacity hot water cylinder designed to provide a reliable ...

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Original price £758.40
Original price £758.40 - Original price £758.40
Original price £758.40
Current price £632.00
£632.00 - £632.00
Current price £632.00
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Telford Tempest Stainless Steel Slimline Direct 125L Unvented Cylinder - TSMD125SL

Telford
Original price £780.69
Original price £780.69 - Original price £780.69
Original price £780.69
Current price £650.58
£650.58 - £650.58
Current price £650.58

The Telford Tempest Stainless Steel Slimline Direct 125L Unvented Cylinder (TSMD125SL) is a compact hot water storage solution designed for small...

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Original price £780.69
Original price £780.69 - Original price £780.69
Original price £780.69
Current price £650.58
£650.58 - £650.58
Current price £650.58
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Telford Tempest Stainless Steel Slimline Direct 150L Unvented Cylinder - TSMD150SL

Telford
Original price £810.47
Original price £810.47 - Original price £810.47
Original price £810.47
Current price £675.39
£675.39 - £675.39
Current price £675.39

The Telford Tempest Stainless Steel Slimline Direct 150L Unvented Cylinder – TSMD150SL is an efficient and reliable hot water storage solution desi...

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Original price £810.47
Original price £810.47 - Original price £810.47
Original price £810.47
Current price £675.39
£675.39 - £675.39
Current price £675.39
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Telford Tempest Stainless Steel Direct 250L Unvented Cylinder - TSMD250

Telford
Original price £817.90
Original price £817.90 - Original price £817.90
Original price £817.90
Current price £681.58
£681.58 - £681.58
Current price £681.58

The Telford Tempest Stainless Steel Direct 250L Unvented Cylinder (TSMD250) is a high-capacity stainless-steel hot water cylinder designed for la...

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Original price £817.90
Original price £817.90 - Original price £817.90
Original price £817.90
Current price £681.58
£681.58 - £681.58
Current price £681.58
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Telford Tempest Stainless Steel Slimline Direct 170L Unvented Cylinder - TSMD170SL

Telford
Original price £840.22
Original price £840.22 - Original price £840.22
Original price £840.22
Current price £700.18
£700.18 - £700.18
Current price £700.18

The Telford Tempest Stainless Steel Slimline Direct 170L Unvented Cylinder (TSMD170SL) is designed to provide reliable domestic hot water stor...

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Original price £840.22
Original price £840.22 - Original price £840.22
Original price £840.22
Current price £700.18
£700.18 - £700.18
Current price £700.18
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Telford Tempest Stainless Steel Slimline Direct 200L Unvented Cylinder - TSMD200SL

Telford
Original price £869.95
Original price £869.95 - Original price £869.95
Original price £869.95
Current price £724.96
£724.96 - £724.96
Current price £724.96

Telford Tempest Range Stainless Steel Slimline Direct 200L Unvented Cylinder A space-conscious hot-water storage solution featurin...

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Original price £869.95
Original price £869.95 - Original price £869.95
Original price £869.95
Current price £724.96
£724.96 - £724.96
Current price £724.96
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Telford Tempest Stainless Steel Direct 300L Unvented Cylinder - TSMD300

Telford
Original price £874.91
Original price £874.91 - Original price £874.91
Original price £874.91
Current price £729.10
£729.10 - £729.10
Current price £729.10

The Telford Tempest Direct 300L Unvented Cylinder (TSMD300) is a high-capacity hot-water cylinder designed for properties with substantial...

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Original price £874.91
Original price £874.91 - Original price £874.91
Original price £874.91
Current price £729.10
£729.10 - £729.10
Current price £729.10
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