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Indirect Unvented Hot Water Cylinders

Reliable hot water storage

Indirect unvented hot water cylinders store hot water efficiently and keep pressure steady for daily use. They are a smart choice for homes that need a strong, dependable supply for showers, baths, and taps.

 

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Telford Tempest 250L Slimline Unvented Cylinder – 510mm Diameter | TSMI250SL

Telford
Original price £913.26
Original price £913.26 - Original price £913.26
Original price £913.26
Current price £761.05
£761.05 - £761.05
Current price £761.05
In stock

Presenting one of the slimmest 250 litre unvented hot water cylinder in the market.The Telford Tempest Slimline 250 Litre Indirect Unvented Hot Wat...

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Original price £913.26
Original price £913.26 - Original price £913.26
Original price £913.26
Current price £761.05
£761.05 - £761.05
Current price £761.05
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Telford Tempest Slimline 300 Litre Indirect Unvented Hot Water Cylinder 510 Diameter TSMI300SL

Telford
Original price £1,001.16
Original price £1,001.16 - Original price £1,001.16
Original price £1,001.16
Current price £834.30
£834.30 - £834.30
Current price £834.30

The Telford Tempest Slimline 300 Litre Indirect Unvented Hot Water Cylinder (TSMI300SL) offers exceptional hot water capa...

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Original price £1,001.16
Original price £1,001.16 - Original price £1,001.16
Original price £1,001.16
Current price £834.30
£834.30 - £834.30
Current price £834.30
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Telford Tempest 250 Litre Indirect Unvented Hot Water Cylinder - Stainless Steel

Telford
Original price £821.32
Original price £821.32 - Original price £821.32
Original price £821.32
Current price £684.44
£684.44 - £684.44
Current price £684.44
In stock

The Telford Tempest 250 Litre Indirect Unvented Hot Water Cylinder is the pinnacle of efficiency and durability in water heating systems. Crafted f...

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Original price £821.32
Original price £821.32 - Original price £821.32
Original price £821.32
Current price £684.44
£684.44 - £684.44
Current price £684.44
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Telford Tempest 200 Litre Indirect Unvented Hot Water Cylinder - Stainless Steel

Telford
Original price £765.95
Original price £765.95 - Original price £765.95
Original price £765.95
Current price £638.29
£638.29 - £638.29
Current price £638.29

The Telford Tempest 200 Litre Indirect Unvented Hot Water Cylinder (TSMI200) is the perfect choice for homes or properties with moderate hot water ...

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Original price £765.95
Original price £765.95 - Original price £765.95
Original price £765.95
Current price £638.29
£638.29 - £638.29
Current price £638.29
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Telford Tempest 300 Litre Indirect Unvented Hot Water Cylinder TSMI300

Telford
Original price £903.05
Original price £903.05 - Original price £903.05
Original price £903.05
Current price £752.54
£752.54 - £752.54
Current price £752.54
In stock

The Telford Tempest 300 Litre Indirect Unvented Hot Water Cylinder is the pinnacle of efficiency and durability in water heating systems. Crafted f...

View full details
Original price £903.05
Original price £903.05 - Original price £903.05
Original price £903.05
Current price £752.54
£752.54 - £752.54
Current price £752.54
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Megaflo Eco 250L Indirect Unvented Hot Water Cylinder

Megaflo
Original price £1,554.11 - Original price £1,554.11
Original price
£1,554.11
£1,554.11 - £1,554.11
Current price £1,554.11

The Megaflo Eco Indirect 250L is a boiler-heated unvented hot water cylinder for large 4–5 bedroom homes and high-demand properties. Delivers 76 li...

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Original price £1,554.11 - Original price £1,554.11
Original price
£1,554.11
£1,554.11 - £1,554.11
Current price £1,554.11

Joule Cyclone Platinum Unvented 300L Indirect Tall Cylinder - TCEMVI-0300LFD

Joule
Original price £810.14 - Original price £810.14
Original price
£810.14
£810.14 - £810.14
Current price £810.14

The Joule Cyclone Platinum Unvented 300L Indirect Tall Cylinder (TCEMVI-0300LFD) is a high-capacity stainless‑steel hot water cylinder engineered f...

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Original price £810.14 - Original price £810.14
Original price
£810.14
£810.14 - £810.14
Current price £810.14

Joule Cyclone Platinum Unvented 250L Indirect Standard Cylinder - TCEMVI-0250LFC

Joule
Original price £727.76 - Original price £727.76
Original price
£727.76
£727.76 - £727.76
Current price £727.76

The Joule Cyclone Platinum Unvented 250L Indirect Standard Cylinder (TCEMVI-0250LFC) is a high-capacity stainless‑steel hot water storage cylinder ...

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Original price £727.76 - Original price £727.76
Original price
£727.76
£727.76 - £727.76
Current price £727.76

Joule Cyclone Air 300L Indirect Standard Unvented Cylinder TCEMVA-0300LFC

Joule
Original price £1,092.76 - Original price £1,092.76
Original price
£1,092.76
£1,092.76 - £1,092.76
Current price £1,092.76

The Joule Cyclone Air range of cylinders features an internal expansion vessel (like the Megaflo range from Heatrae Sadia). This provides a neat, a...

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Original price £1,092.76 - Original price £1,092.76
Original price
£1,092.76
£1,092.76 - £1,092.76
Current price £1,092.76

Joule Cyclone Air 200L Indirect Standard Unvented Cylinder TCEMVA-0200LFC

Joule
Original price £949.33 - Original price £949.33
Original price
£949.33
£949.33 - £949.33
Current price £949.33

The Joule Cyclone Air range of cylinders feature an internal expansion vessel (similar to the Megaflo range from Heatrae Sadia). This provides a ne...

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Original price £949.33 - Original price £949.33
Original price
£949.33
£949.33 - £949.33
Current price £949.33

Joule Cyclone Air 250L Indirect Standard Unvented Cylinder TCEMVA-0250LFC

Joule
Original price £1,009.10 - Original price £1,009.10
Original price
£1,009.10
£1,009.10 - £1,009.10
Current price £1,009.10

High-capacity 247L indirect hot water cylinder with a stainless steel coil, durable construction, and efficient thermal insulation for reliable dom...

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Original price £1,009.10 - Original price £1,009.10
Original price
£1,009.10
£1,009.10 - £1,009.10
Current price £1,009.10

Joule Cyclone Air 170L Indirect Standard Unvented Cylinder TCEMVA-0170LFB

Joule
Original price £913.48 - Original price £913.48
Original price
£913.48
£913.48 - £913.48
Current price £913.48

The Joule Cyclone Air range of cylinders features an internal expansion vessel (similar to the Megaflo range from Heatrae Sadia). This provides a n...

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Original price £913.48 - Original price £913.48
Original price
£913.48
£913.48 - £913.48
Current price £913.48

Joule Cyclone Air 150L Indirect Standard Unvented Cylinder TCEMVA-0150LFB

Joule
Original price £889.57 - Original price £889.57
Original price
£889.57
£889.57 - £889.57
Current price £889.57

The Joule Cyclone Air range of cylinders features an internal expansion vessel (similar to the Megaflo range from Heatrae Sadia). This is very popu...

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Original price £889.57 - Original price £889.57
Original price
£889.57
£889.57 - £889.57
Current price £889.57

Joule Cyclone Air 125L Indirect Standard Unvented Cylinder TCEMVA-0125LFB

Joule
Original price £853.72 - Original price £853.72
Original price
£853.72
£853.72 - £853.72
Current price £853.72

The Joule Cyclone Air range of cylinders features an internal expansion vessel (similar to the Megaflo range from Heatrae Sadia). This provides a n...

View full details
Original price £853.72 - Original price £853.72
Original price
£853.72
£853.72 - £853.72
Current price £853.72

Megaflo Eco SystemFit 300SF Indirect Unvented Hot Water Cylinder

Megaflo
Original price £2,798.10 - Original price £2,798.10
Original price
£2,798.10
£2,798.10 - £2,798.10
Current price £2,798.10

The Megaflo Eco SystemFit 300SF is a 300-litre indirect unvented hot water cylinder designed for installation with a heat-only (regular) boiler. It...

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Original price £2,798.10 - Original price £2,798.10
Original price
£2,798.10
£2,798.10 - £2,798.10
Current price £2,798.10

Megaflo Eco Slimline 200L Indirect Unvented Hot Water Cylinder

Megaflo
Original price £1,603.58 - Original price £1,603.58
Original price
£1,603.58
£1,603.58 - £1,603.58
Current price £1,603.58

The Megaflo Eco Slimline Indirect 200L is a compact unvented cylinder for homes where a standard-width cylinder won't fit. Boiler-heated with a 3kW...

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Original price £1,603.58 - Original price £1,603.58
Original price
£1,603.58
£1,603.58 - £1,603.58
Current price £1,603.58

Megaflo Eco Slimline 170L Indirect Unvented Hot Water Cylinder

Megaflo
Original price £1,441.90 - Original price £1,441.90
Original price
£1,441.90
£1,441.90 - £1,441.90
Current price £1,441.90

The Megaflo Eco Slimline Indirect 170L is a compact unvented cylinder for homes where a standard-width cylinder won't fit. Boiler-heated with a 3kW...

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Original price £1,441.90 - Original price £1,441.90
Original price
£1,441.90
£1,441.90 - £1,441.90
Current price £1,441.90

Megaflo Eco Slimline 125L Indirect Unvented Hot Water Cylinder

Megaflo
Original price £1,203.35 - Original price £1,203.35
Original price
£1,203.35
£1,203.35 - £1,203.35
Current price £1,203.35

The Megaflo Eco Slimline Indirect 125L is a compact unvented cylinder for homes where a standard-width cylinder won't fit. Boiler-heated with a 3kW...

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Original price £1,203.35 - Original price £1,203.35
Original price
£1,203.35
£1,203.35 - £1,203.35
Current price £1,203.35

Megaflo Eco Slimline 100Litre Indirect Unvented Hot Water Cylinder

Megaflo
Original price £1,082.30 - Original price £1,082.30
Original price
£1,082.30
£1,082.30 - £1,082.30
Current price £1,082.30

The Megaflo Eco Slimline Indirect 100L is a compact unvented cylinder designed for homes where a standard-width cylinder won't fit. Heated via a sy...

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Original price £1,082.30 - Original price £1,082.30
Original price
£1,082.30
£1,082.30 - £1,082.30
Current price £1,082.30

Megaflo Eco 70L Indirect Unvented Hot Water Cylinder

Megaflo
Original price £953.32 - Original price £953.32
Original price
£953.32
£953.32 - £953.32
Current price £953.32

The Megaflo Eco Indirect 70L is a compact boiler-heated unvented hot water cylinder — the UK's most trusted brand for mains pressure hot water perf...

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Original price £953.32 - Original price £953.32
Original price
£953.32
£953.32 - £953.32
Current price £953.32

Megaflo Eco 300L Indirect Unvented Hot Water Cylinder

Megaflo
Original price £1,693.70 - Original price £1,693.70
Original price
£1,693.70
£1,693.70 - £1,693.70
Current price £1,693.70

The Megaflo Eco Indirect 300L is the largest standard Megaflo Eco indirect cylinder — designed for large 5+ bedroom homes, HMOs or high-demand comm...

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Original price £1,693.70 - Original price £1,693.70
Original price
£1,693.70
£1,693.70 - £1,693.70
Current price £1,693.70

Megaflo Eco 210L Indirect Unvented Hot Water Cylinder

Megaflo
Original price £1,412.75 - Original price £1,412.75
Original price
£1,412.75
£1,412.75 - £1,412.75
Current price £1,412.75

The Megaflo Eco Indirect 210L is the ideal boiler-heated unvented cylinder for 3–4 bedroom homes with higher hot water demand. Delivers 76 litres p...

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Original price £1,412.75 - Original price £1,412.75
Original price
£1,412.75
£1,412.75 - £1,412.75
Current price £1,412.75

Megaflo Eco 170L Indirect Unvented Hot Water Cylinder

Megaflo
Original price £1,270.50 - Original price £1,270.50
Original price
£1,270.50
£1,270.50 - £1,270.50
Current price £1,270.50

The Megaflo Eco Indirect 170L is the UK's most popular unvented hot water cylinder size — the go-to choice for 3–4 bedroom homes. Boiler-heated wit...

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Original price £1,270.50 - Original price £1,270.50
Original price
£1,270.50
£1,270.50 - £1,270.50
Current price £1,270.50

Megaflo Eco 145i Indirect Unvented Hot Water Cylinder

Megaflo
Original price £1,182.14 - Original price £1,182.14
Original price
£1,182.14
£1,182.14 - £1,182.14
Current price £1,182.14

The Megaflo Eco Indirect 145L is a boiler-heated unvented hot water cylinder perfect for 2–3 bedroom homes. One of the most popular sizes in the ra...

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Original price £1,182.14 - Original price £1,182.14
Original price
£1,182.14
£1,182.14 - £1,182.14
Current price £1,182.14

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