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Indirect Unvented Hot Water Cylinders

Explore our range of indirect unvented hot water cylinders from trusted manufacturers including Joule, Megaflo and Telford. Indirect unvented cylinders are designed to work with an external heat source, such as a boiler, to heat and store domestic hot water while providing a reliable solution for modern hot water systems.

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Joule Cyclone Platinum 150 Litre Indirect Slimline Unvented Cylinder (TCEMVI-0150SFC)

Joule
Original price £823.90 - Original price £823.90
Original price
£823.90
£823.90 - £823.90
Current price £823.90

The Joule Cyclone Platinum 150 Litre Indirect Slimline Unvented Cylinder (TCEMVI-0150SFC) is a compact indirect unvented hot water cylinder designe...

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Original price £823.90 - Original price £823.90
Original price
£823.90
£823.90 - £823.90
Current price £823.90

Joule Cyclone 125L Litre Slimline Indirect C Unvented Cylinder TCEMVI-0125SFC

Joule
Original price £802.08 - Original price £802.08
Original price
£802.08
£802.08 - £802.08
Current price £802.08

The Joule Cyclone 125L Slimline Indirect Unvented Cylinder (TCEMVI-0125SFC) is a compact, high-quality hot water cylinder designed for installation...

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Original price £802.08 - Original price £802.08
Original price
£802.08
£802.08 - £802.08
Current price £802.08

Joule Cyclone Platinum 300L Indirect Horizontal Standard C Unvented Cylinder - TCIMHI-0300NFC

Joule
Original price £1,487.44 - Original price £1,487.44
Original price
£1,487.44
£1,487.44 - £1,487.44
Current price £1,487.44

The Joule Cyclone Platinum 300L Indirect Horizontal Standard C Unvented Cylinder (TCIMHI-0300NFC) is a high-capacity horizontal indirect unvente...

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Original price £1,487.44 - Original price £1,487.44
Original price
£1,487.44
£1,487.44 - £1,487.44
Current price £1,487.44

Joule Cyclone Platinum 250 Litre Indirect Horizontal Unvented Cylinder (TCIMHI-0250NFC)

Joule
Original price £1,435.79 - Original price £1,435.79
Original price
£1,435.79
£1,435.79 - £1,435.79
Current price £1,435.79

The Joule Cyclone Platinum 250L Indirect Horizontal Unvented Cylinder (TCIMHI-0250NFC) is a robust horizontal hot water cylinder designed to ...

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Original price £1,435.79 - Original price £1,435.79
Original price
£1,435.79
£1,435.79 - £1,435.79
Current price £1,435.79

Joule Cyclone Platinum 200L Indirect Horizontal Standard C Unvented Cylinder - TCIMHI-0200NFC

Joule
Original price £1,219.00 - Original price £1,219.00
Original price
£1,219.00
£1,219.00 - £1,219.00
Current price £1,219.00

The Joule Cyclone Platinum 200L Indirect Horizontal Standard C Unvented Cylinder (TCIMHI-0200NFC) is a high-quality horizontal indirect cylinder de...

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Original price £1,219.00 - Original price £1,219.00
Original price
£1,219.00
£1,219.00 - £1,219.00
Current price £1,219.00

Joule Cyclone Platinum 170L Indirect Horizontal Standard C Unvented Cylinder - TCIMHI-0170LFC

Joule
Original price £1,085.56 - Original price £1,085.56
Original price
£1,085.56
£1,085.56 - £1,085.56
Current price £1,085.56

The Joule Cyclone Platinum 170L Indirect Horizontal Standard C Unvented Cylinder (TCIMHI-0170LFC) is a compact, space-saving horizontal indirect...

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Original price £1,085.56 - Original price £1,085.56
Original price
£1,085.56
£1,085.56 - £1,085.56
Current price £1,085.56

Joule Cyclone Platinum 150 Litre Indirect Horizontal Unvented Cylinder (TCIMHI-0150LFB)

Joule
Original price £1,078.54 - Original price £1,078.54
Original price
£1,078.54
£1,078.54 - £1,078.54
Current price £1,078.54

The Joule Cyclone Platinum 150 Litre Indirect Horizontal Unvented Cylinder (TCIMHI-0150LFB) is a compact horizontal hot water cylinder designed f...

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Original price £1,078.54 - Original price £1,078.54
Original price
£1,078.54
£1,078.54 - £1,078.54
Current price £1,078.54

Joule Cyclone Platinum 125L Indirect Horizontal Standard B Unvented Cylinder - TCIMHI-0125LFB

Joule
Original price £1,068.89 - Original price £1,068.89
Original price
£1,068.89
£1,068.89 - £1,068.89
Current price £1,068.89

The Joule Cyclone Platinum 125L Indirect Horizontal Standard B Unvented Cylinder (TCIMHI-0125LFB) is a compact horizontal hot water cylinder ...

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Original price £1,068.89 - Original price £1,068.89
Original price
£1,068.89
£1,068.89 - £1,068.89
Current price £1,068.89

Joule Invacyl Standard In-Direct Unvented Cylinder 250 Litre - Stainless Steel

Joule
Original price £610.97 - Original price £610.97
Original price
£610.97
£610.97 - £610.97
Current price £610.97

The Joule Invacyl Standard Indirect Unvented Cylinder 250 Litre (TRBMVI-0250LFC) is a stainless-steel hot water cylinder designed for mains-press...

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Original price £610.97 - Original price £610.97
Original price
£610.97
£610.97 - £610.97
Current price £610.97

Joule Invacyl Standard In-Direct Unvented Cylinder 210 Litre - Stainless Steel

Joule
Original price £561.49 - Original price £561.49
Original price
£561.49
£561.49 - £561.49
Current price £561.49

The Joule Invacyl Standard In-Direct Unvented Cylinder 210 Litre is a durable stainless-steel hot water storage cylinder designed for mains-pressur...

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Original price £561.49 - Original price £561.49
Original price
£561.49
£561.49 - £561.49
Current price £561.49

Joule Invacyl 150L Indirect Unvented Cylinder - TRBMVI-0150LFB

Joule
Original price £523.42 - Original price £523.42
Original price
£523.42
£523.42 - £523.42
Current price £523.42

Joule Invacyl 150L Indirect Unvented Cylinder (TRBMVI-0150LFB) is a compact stainless-steel hot-water cylinder designed for unvented, mains-pres...

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Original price £523.42 - Original price £523.42
Original price
£523.42
£523.42 - £523.42
Current price £523.42

Joule Invacyl 120L Indirect Unvented Cylinder - TRBMVI-0120LFB

Joule
Original price £504.41 - Original price £504.41
Original price
£504.41
£504.41 - £504.41
Current price £504.41

The Joule Invacyl 120L Indirect Unvented Cylinder (TRBMVI-0120LFB) is a compact stainless-steel unvented hot water cylinder designed for mains-pres...

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Original price £504.41 - Original price £504.41
Original price
£504.41
£504.41 - £504.41
Current price £504.41

Joule 90L Invacyl Indirect Standard Cylinder - TRBMVI-0090LFC

Joule
Original price £492.00 - Original price £492.00
Original price
£492.00
£492.00 - £492.00
Current price £492.00

The Joule 90L Invacyl Indirect Standard Cylinder (TRBMVI-0090LFC) is a compact stainless-steel unvented hot water storage cylinder designed for mai...

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Original price £492.00 - Original price £492.00
Original price
£492.00
£492.00 - £492.00
Current price £492.00

Joule Invacyl Slimline In-Direct Unvented Cylinder 90 Litre - Stainless Steel - TRBMVI-0090SFC

Joule
Original price £693.05 - Original price £693.05
Original price
£693.05
£693.05 - £693.05
Current price £693.05

The Joule Invacyl Slimline 90 Litre Indirect Unvented Cylinder (TRBMVI-0090SFC) is designed for domestic hot water storage where a compact, space-...

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Original price £693.05 - Original price £693.05
Original price
£693.05
£693.05 - £693.05
Current price £693.05

Telford Tempest 90L Indirect Unvented Hot Water Cylinder – TSMI090

Telford
Original price £708.85
Original price £708.85 - Original price £708.85
Original price £708.85
Current price £590.71
£590.71 - £590.71
Current price £590.71

The Telford Tempest Indirect Unvented Hot Water Cylinder 90L - TSMI090 is designed to provide an efficient and reliable hot water solution for comp...

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Original price £708.85
Original price £708.85 - Original price £708.85
Original price £708.85
Current price £590.71
£590.71 - £590.71
Current price £590.71
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Telford Tempest Stainless Steel Indirect 125L Unvented Cylinder - TSMI125

Telford
Original price £708.85
Original price £708.85 - Original price £708.85
Original price £708.85
Current price £590.71
£590.71 - £590.71
Current price £590.71

The Telford Tempest Stainless Steel Indirect 125L Unvented Cylinder – TSMI125 is an efficient hot water storage solution designed for smaller hous...

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Original price £708.85
Original price £708.85 - Original price £708.85
Original price £708.85
Current price £590.71
£590.71 - £590.71
Current price £590.71
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Telford Tempest Stainless Steel Indirect 150L Unvented Cylinder - TSMI150

Telford
Original price £738.58
Original price £738.58 - Original price £738.58
Original price £738.58
Current price £615.49
£615.49 - £615.49
Current price £615.49

The Telford Tempest Stainless Steel Indirect 150L Unvented Cylinder (TSMI150) is designed to provide an efficient and reliable hot water solution...

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Original price £738.58
Original price £738.58 - Original price £738.58
Original price £738.58
Current price £615.49
£615.49 - £615.49
Current price £615.49
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Telford Tempest Stainless Steel Indirect 170L Unvented Cylinder - TSMI170

Telford
Original price £768.35
Original price £768.35 - Original price £768.35
Original price £768.35
Current price £640.29
£640.29 - £640.29
Current price £640.29

The Telford Tempest Stainless Steel Indirect 170L Unvented Cylinder (TSMI170) is a domestic hot water storage cylinder designed ...

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Original price £768.35
Original price £768.35 - Original price £768.35
Original price £768.35
Current price £640.29
£640.29 - £640.29
Current price £640.29
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Telford Tempest Stainless Steel Slimline Indirect 125L Unvented Cylinder - TSMI125SL

Telford
Original price £820.40
Original price £820.40 - Original price £820.40
Original price £820.40
Current price £683.66
£683.66 - £683.66
Current price £683.66

The Telford Tempest Stainless Steel Slimline Indirect 125L Unvented Cylinder (TSMI125SL) is a vertical hot-water cylinder designed for hom...

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Original price £820.40
Original price £820.40 - Original price £820.40
Original price £820.40
Current price £683.66
£683.66 - £683.66
Current price £683.66
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Telford Tempest Stainless Steel Slimline Indirect 170L Unvented Cylinder - TSMI170SL

Telford
Original price £879.86
Original price £879.86 - Original price £879.86
Original price £879.86
Current price £733.22
£733.22 - £733.22
Current price £733.22

The Telford Tempest Stainless Steel Slimline Indirect 170L Unvented Cylinder is a space-saving hot water storage solution designed for medium-sized...

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Original price £879.86
Original price £879.86 - Original price £879.86
Original price £879.86
Current price £733.22
£733.22 - £733.22
Current price £733.22
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Telford Tempest Stainless Steel Slimline Direct 250L Unvented Cylinder - TSMD250SL

Telford
Original price £929.43
Original price £929.43 - Original price £929.43
Original price £929.43
Current price £774.53
£774.53 - £774.53
Current price £774.53

The Telford Tempest Stainless Steel Slimline Direct 250L Unvented Cylinder is a high-performance hot water storage solution designed for larger hou...

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Original price £929.43
Original price £929.43 - Original price £929.43
Original price £929.43
Current price £774.53
£774.53 - £774.53
Current price £774.53
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Telford Tempest Horizontal Stainless Steel Indirect 125L Unvented Cylinder - TSMI125H

Telford
Original price £1,080.62
Original price £1,080.62 - Original price £1,080.62
Original price £1,080.62
Current price £900.52
£900.52 - £900.52
Current price £900.52

The Telford Tempest Horizontal Stainless Steel Indirect 125L Unvented Cylinder provides a dependable hot water storage solution for smaller to medi...

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Original price £1,080.62
Original price £1,080.62 - Original price £1,080.62
Original price £1,080.62
Current price £900.52
£900.52 - £900.52
Current price £900.52
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Telford Tempest Horizontal Stainless Steel Indirect 150L Unvented Cylinder - TSMI150H

Telford
Original price £1,110.35
Original price £1,110.35 - Original price £1,110.35
Original price £1,110.35
Current price £925.29
£925.29 - £925.29
Current price £925.29

The Telford Tempest Horizontal Stainless Steel Indirect 150L Unvented Cylinder (MPN TSMI150H) is an efficient hot water storage solution designed...

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Original price £1,110.35
Original price £1,110.35 - Original price £1,110.35
Original price £1,110.35
Current price £925.29
£925.29 - £925.29
Current price £925.29
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Telford Tempest Horizontal Stainless Steel Indirect 170L Unvented Cylinder - TSMI170H

Telford
Original price £1,140.11
Original price £1,140.11 - Original price £1,140.11
Original price £1,140.11
Current price £950.09
£950.09 - £950.09
Current price £950.09

The Telford Tempest Horizontal Stainless Steel Indirect 170L Unvented Cylinder (product code 152791) is designed to provide stored hot wat...

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Original price £1,140.11
Original price £1,140.11 - Original price £1,140.11
Original price £1,140.11
Current price £950.09
£950.09 - £950.09
Current price £950.09
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