Skip to content
Free Shipping on Orders Over £60 | Next-Day Dispatch | Secure Checkout
Free Shipping on Orders Over £60 | Next-Day Dispatch | Secure Checkout

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.

 

Filters

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...

View full details
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
Save 17% Save %

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...

View full details
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
Save 17% Save %

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...

View full details
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
Save 17% Save %

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 ...

View full details
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
Save 17% Save %

Main 300 Litre Indirect Unvented Hot Water Cylinder - 5135328

Main
Original price £812.83 - Original price £812.83
Original price
£812.83
£812.83 - £812.83
Current price £812.83

The Main 300 Litre Indirect Unvented Hot Water Cylinder (5135328) is a UK-manufactured, stainless steel cylinder designed to deliver mains-pressure...

View full details
Original price £812.83 - Original price £812.83
Original price
£812.83
£812.83 - £812.83
Current price £812.83

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
Save 17% Save %

Telford Tempest Stainless Steel Slimline Indirect 200L Unvented Cylinder - TSMI200SL

Telford
Original price £860.02
Original price £860.02 - Original price £860.02
Original price £860.02
Current price £716.68
£716.68 - £716.68
Current price £716.68
In stock

Telford Tempest Stainless Steel Slimline Indirect 200L Unvented Cylinder - TSMI200SL The Telford Tempest Stainless Steel Slimline Indirect 200L Unv...

View full details
Original price £860.02
Original price £860.02 - Original price £860.02
Original price £860.02
Current price £716.68
£716.68 - £716.68
Current price £716.68
Save 17% Save %

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...

View full details
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...

View full details
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 ...

View full details
Original price £727.76 - Original price £727.76
Original price
£727.76
£727.76 - £727.76
Current price £727.76

Joule Cyclone Platinum 200L Indirect Short C Unvented Cylinder - TCEMVI-0200NFC

Joule
Original price £659.11 - Original price £659.11
Original price
£659.11
£659.11 - £659.11
Current price £659.11

The Joule Cyclone Platinum 200L Indirect Short C Unvented Cylinder (TCEMVI-0200NFC) is a robust stainless‑steel hot water storage cylinder for indi...

View full details
Original price £659.11 - Original price £659.11
Original price
£659.11
£659.11 - £659.11
Current price £659.11

Main 250 Litre Indirect Unvented Hot Water Cylinder - 5135327

Main
Original price £741.27 - Original price £741.27
Original price
£741.27
£741.27 - £741.27
Current price £741.27

The Main 250 Litre Indirect Unvented Hot Water Cylinder (5135327) is a UK-manufactured, stainless steel cylinder designed to deliver mains-pressure...

View full details
Original price £741.27 - Original price £741.27
Original price
£741.27
£741.27 - £741.27
Current price £741.27

Telford Tempest Stainless Steel Slimline Indirect 150L Unvented Cylinder - TSMI150SL

Telford
Original price £850.10
Original price £850.10 - Original price £850.10
Original price £850.10
Current price £708.41
£708.41 - £708.41
Current price £708.41
In stock

Telford Tempest Stainless Steel Slimline Indirect 150L Unvented Cylinder - TSMI150SL The Telford Tempest Stainless Steel Slimline Indirect 150L Unv...

View full details
Original price £850.10
Original price £850.10 - Original price £850.10
Original price £850.10
Current price £708.41
£708.41 - £708.41
Current price £708.41
Save 17% Save %

Telford Tempest Horizontal Stainless Steel Indirect 250L Unvented Cylinder - TSMI250H

Telford
Original price £1,187.18
Original price £1,187.18 - Original price £1,187.18
Original price £1,187.18
Current price £989.32
£989.32 - £989.32
Current price £989.32
In stock

The Telford Tempest Horizontal Stainless Steel Indirect 250L Unvented Cylinder is expertly designed to meet the hot water needs of larger household...

View full details
Original price £1,187.18
Original price £1,187.18 - Original price £1,187.18
Original price £1,187.18
Current price £989.32
£989.32 - £989.32
Current price £989.32
Save 17% Save %

Telford Tempest Horizontal Stainless Steel Indirect 300L Unvented Cylinder - TSMI300H

Telford
Original price £1,286.34
Original price £1,286.34 - Original price £1,286.34
Original price £1,286.34
Current price £1,071.95
£1,071.95 - £1,071.95
Current price £1,071.95
In stock

The Telford Tempest Horizontal Stainless Steel Indirect 300L Unvented Cylinder is designed to efficiently meet hot water requirements in larger res...

View full details
Original price £1,286.34
Original price £1,286.34 - Original price £1,286.34
Original price £1,286.34
Current price £1,071.95
£1,071.95 - £1,071.95
Current price £1,071.95
Save 17% Save %

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...

View full details
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...

View full details
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...

View full details
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...

View full details
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...

View full details
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

Joule Cyclone Air 100L Indirect Standard Unvented Cylinder TCEMVA-0100LFB

Joule
Original price £830.95 - Original price £830.95
Original price
£830.95
£830.95 - £830.95
Current price £830.95

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 £830.95 - Original price £830.95
Original price
£830.95
£830.95 - £830.95
Current price £830.95

Megaflo Eco SystemReady 300SB Indirect Unvented Hot Water Cylinder

Megaflo
Original price £2,095.70 - Original price £2,095.70
Original price
£2,095.70
£2,095.70 - £2,095.70
Current price £2,095.70

The Megaflo Eco SystemReady 300SB is a 300-litre indirect unvented hot water cylinder built for system boiler installations. It provides all the pe...

View full details
Original price £2,095.70 - Original price £2,095.70
Original price
£2,095.70
£2,095.70 - £2,095.70
Current price £2,095.70

Megaflo Eco SystemReady 250SB Indirect Unvented Hot Water Cylinder

Megaflo
Original price £1,916.35 - Original price £1,916.35
Original price
£1,916.35
£1,916.35 - £1,916.35
Current price £1,916.35

The Megaflo Eco SystemReady 250SB is a 250-litre indirect unvented hot water cylinder built for system boiler installations. It provides all the pe...

View full details
Original price £1,916.35 - Original price £1,916.35
Original price
£1,916.35
£1,916.35 - £1,916.35
Current price £1,916.35

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare