Indirect models of unvented hot water cylinders are designed to heat up rapidly via the coil-in-coil heat exchanger with the heat supplied from a conventional gas, oil or electric boiler. They also feature a backup immersion heater, which can act as a boost or a secondary heat source. 

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Megaflo Eco 70 Litre Indirect Unvented Hot Water Cylinder

Product code: 95050461

Megaflo Eco 70 Litre Indirect Unvented Hot Water Cylinder

Product Code: 95050461

  • Guarantee: 25 Year Guarantee
  • Capacity: 70 litres
  • Diameter/Height: 579mm x 802mm
  • Weight: 23.00kg
£675.00 ex VAT
(£810.00 inc VAT)
Kingspan Ultrasteel 90 Litre Indirect - Unvented Hot Water Cylinder

Product code: AUI90

Kingspan Ultrasteel 90 Litre Indirect - Unvented Hot Water Cylinder

Product Code: AUI90

  • Guarantee: 25 Year Guarantee
  • Capacity: 90 litres
  • Weight: 30.00kg
  • Dimensions: 550mm x 550mm x 745mm
£358.92 ex VAT
(£430.70 inc VAT)

Kingspan Ultrasteel 90 Litre Indirect - Slimline Unvented Hot Water Cylinder

Product code: AUI90SLMERP

Kingspan Ultrasteel 90 Litre Indirect - Slimline Unvented Hot Water Cylinder

Product Code: AUI90SLMERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 90 litres
  • Weight: 36.00kg
  • Dimensions: 478mm x 478mm x 1091mm
£476.38 ex VAT
(£571.66 inc VAT)
Heatrae Sadia PremierPlus 100 Litre Indirect Hot Water Cylinder

Product code: 94050809

Heatrae Sadia PremierPlus 100 Litre Indirect Hot Water Cylinder

Product Code: 94050809

  • Guarantee: 30 Year Guarantee
  • Capacity: 100 litres
  • Diameter/Height: 588mm x 784mm
  • Weight: 25.00kg
£595.00 ex VAT
(£714.00 inc VAT)

Megaflo Eco 100 Litre Slimline Indirect Unvented Hot Water Cylinder

Product code: 7034087

Megaflo Eco 100 Litre Slimline Indirect Unvented Hot Water Cylinder

Product Code: 7034087

  • Guarantee: 25 Year Guarantee
  • Capacity: 100 litres
  • Diameter/Height: 491mm x 1194mm
  • Weight: 31.00kg
£725.00 ex VAT
(£870.00 inc VAT)
Kingspan Ultrasteel 120 Litre Indirect - Unvented Hot Water Cylinder

Product code: AUI120

Kingspan Ultrasteel 120 Litre Indirect - Unvented Hot Water Cylinder

Product Code: AUI120

  • Guarantee: 25 Year Guarantee
  • Capacity: 120 litres
  • Weight: 35.00kg
  • Dimensions: 550mm x 550mm x 933mm
£424.75 ex VAT
(£509.70 inc VAT)

Kingspan Ultrasteel 120 Litre Indirect - Slimline Unvented Hot Water Cylinder

Product code: AUI120SLMERP

Kingspan Ultrasteel 120 Litre Indirect - Slimline Unvented Hot Water Cylinder

Product Code: AUI120SLMERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 120 litres
  • Weight: 44.00kg
  • Dimensions: 478mm x 478mm x 1276mm
£492.96 ex VAT
(£591.55 inc VAT)
Kingspan Ultrasteel Plus 120 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product code: AUXN120ERP

Kingspan Ultrasteel Plus 120 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product Code: AUXN120ERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 120 litres
  • Weight: 35.00kg
  • Dimensions: 550mm x 550mm x 997mm
£638.39 ex VAT
(£766.07 inc VAT)

Main Heating 120 Litre Indirect Unvented Hot Water Cylinder

Product code: 5133561

Main Heating 120 Litre Indirect Unvented Hot Water Cylinder

Product Code: 5133561

  • Guarantee: 25 Year Guarantee
  • Capacity: 120 litres
  • Diameter/Height: 550mm x 931mm
  • Weight: 25.00kg
£435.00 ex VAT
(£522.00 inc VAT)
Heatrae Sadia PremierPlus 120 Litre Indirect Hot Water Cylinder

Product code: 94050810

Heatrae Sadia PremierPlus 120 Litre Indirect Hot Water Cylinder

Product Code: 94050810

  • Guarantee: 30 Year Guarantee
  • Capacity: 120 litres
  • Diameter/Height: 588mm x 906mm
  • Weight: 27.00kg
£615.00 ex VAT
(£738.00 inc VAT)

Megaflo Eco 125 Litre Indirect Unvented Hot Water Cylinder

Product code: 95050463

Megaflo Eco 125 Litre Indirect Unvented Hot Water Cylinder

Product Code: 95050463

  • Guarantee: 25 Year Guarantee
  • Capacity: 125 litres
  • Diameter/Height: 579mm x 1102mm
  • Weight: 31.00kg
£745.00 ex VAT
(£894.00 inc VAT)
Megaflo Eco 125 Litre Slimline Indirect Unvented Hot Water Cylinder

Product code: 7034088

Megaflo Eco 125 Litre Slimline Indirect Unvented Hot Water Cylinder

Product Code: 7034088

  • Guarantee: 25 Year Guarantee
  • Capacity: 125 litres
  • Diameter/Height: 491mm x 1440mm
  • Weight: 36.00kg
£785.00 ex VAT
(£942.00 inc VAT)

Megaflo Eco 145 Litre Indirect Unvented Hot Water Cylinder

Product code: 95050465

Megaflo Eco 145 Litre Indirect Unvented Hot Water Cylinder

Product Code: 95050465

  • Guarantee: 25 Year Guarantee
  • Capacity: 145 litres
  • Diameter/Height: 579mm x 1229mm
  • Weight: 35.00kg
£825.00 ex VAT
(£990.00 inc VAT)
Kingspan Ultrasteel 150 Litre Indirect - Unvented Hot Water Cylinder

Product code: AUI150

Kingspan Ultrasteel 150 Litre Indirect - Unvented Hot Water Cylinder

Product Code: AUI150

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 150 litres
  • Weight: 40.00kg
  • Dimensions: 550mm x 550mm x 1120mm
£451.50 ex VAT
(£541.80 inc VAT)

Kingspan Ultrasteel 150 Litre Indirect - Slimline Unvented Hot Water Cylinder

Product code: AUI150SLMERP

Kingspan Ultrasteel 150 Litre Indirect - Slimline Unvented Hot Water Cylinder

Product Code: AUI150SLMERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 150 litres
  • Weight: 52.00kg
  • Dimensions: 478mm x 478mm x 1467mm
£513.29 ex VAT
(£615.95 inc VAT)
Flomaster 150 Litre Indirect - Unvented Hot Water Cylinder

Product code: FN150ERP

Flomaster 150 Litre Indirect - Unvented Hot Water Cylinder

Product Code: FN150ERP

  • Guarantee: 10 Year Guarantee
  • Capacity: 150 litres
  • Weight: 40.00kg
  • Dimensions: 550mm x 550mm x 1120mm
£406.50 ex VAT
(£487.80 inc VAT)

Kingspan Ultrasteel Plus 150 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product code: AUXN150ERP

Kingspan Ultrasteel Plus 150 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product Code: AUXN150ERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 150 litres
  • Weight: 40.00kg
  • Dimensions: 550mm x 550mm x 1185mm
£655.81 ex VAT
(£786.97 inc VAT)
Main Heating 150 Litre Indirect Unvented Hot Water Cylinder

Product code: 5133562

Main Heating 150 Litre Indirect Unvented Hot Water Cylinder

Product Code: 5133562

  • Guarantee: 25 Year Guarantee
  • Capacity: 150 litres
  • Diameter/Height: 550mm x 1114mm
  • Weight: 31.00kg
£450.00 ex VAT
(£540.00 inc VAT)

Heatrae Sadia PremierPlus 150 Litre Indirect Hot Water Cylinder

Product code: 94050811

Heatrae Sadia PremierPlus 150 Litre Indirect Hot Water Cylinder

Product Code: 94050811

  • Guarantee: 30 Year Guarantee
  • Capacity: 150 litres
  • Diameter/Height: 588mm x 1090mm
  • Weight: 31.00kg
£630.00 ex VAT
(£756.00 inc VAT)
Megaflo Eco 150 Litre Slimline Indirect Unvented Hot Water Cylinder

Product code: 7034089

Megaflo Eco 150 Litre Slimline Indirect Unvented Hot Water Cylinder

Product Code: 7034089

  • Guarantee: 25 Year Guarantee
  • Capacity: 150 litres
  • Diameter/Height: 491mm x 1622mm
  • Weight: 40.00kg
£885.00 ex VAT
(£1,062.00 inc VAT)

Megaflo Eco 170 Litre Indirect Unvented Hot Water Cylinder

Product code: 95050467

Megaflo Eco 170 Litre Indirect Unvented Hot Water Cylinder

Product Code: 95050467

  • Guarantee: 25 Year Guarantee
  • Capacity: 170 litres
  • Diameter/Height: 579mm x 1384mm
  • Weight: 39.00kg
£885.00 ex VAT
(£1,062.00 inc VAT)
Main Heating 170 Litre Indirect Unvented Hot Water Cylinder

Product code: 5133563

Main Heating 170 Litre Indirect Unvented Hot Water Cylinder

Product Code: 5133563

  • Guarantee: 25 Year Guarantee
  • Capacity: 170 litres
  • Diameter/Height: 550mm x 1241mm
  • Weight: 33.00kg
£470.00 ex VAT
(£564.00 inc VAT)

Heatrae Sadia PremierPlus 170 Litre Indirect Hot Water Cylinder

Product code: 94050812

Heatrae Sadia PremierPlus 170 Litre Indirect Hot Water Cylinder

Product Code: 94050812

  • Guarantee: 30 Year Guarantee
  • Capacity: 170 litres
  • Diameter/Height: 588mm x 1216mm
  • Weight: 33.00kg
£650.00 ex VAT
(£780.00 inc VAT)
Megaflo Eco 170 Litre Slimline Indirect Unvented Hot Water Cylinder

Product code: 7034090

Megaflo Eco 170 Litre Slimline Indirect Unvented Hot Water Cylinder

Product Code: 7034090

  • Guarantee: 25 Year Guarantee
  • Capacity: 170 litres
  • Diameter/Height: 491mm x 1883mm
  • Weight: 45.00kg
£950.00 ex VAT
(£1,140.00 inc VAT)

Kingspan Ultrasteel 180 Litre Indirect - Horizontal Unvented Hot Water Cylinder

Product code: AUIH180

Kingspan Ultrasteel 180 Litre Indirect - Horizontal Unvented Hot Water Cylinder

Product Code: AUIH180

  • Guarantee: 25 Year Guarantee
  • Capacity: 180 litres
  • Weight: 60.00kg
  • Dimensions: 1258mm x 550mm x 680mm
£533.57 ex VAT
(£640.28 inc VAT)
Kingspan Ultrasteel 180 Litre Indirect - Unvented Hot Water Cylinder

Product code: AUI180

Kingspan Ultrasteel 180 Litre Indirect - Unvented Hot Water Cylinder

Product Code: AUI180

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 180 litres
  • Weight: 45.00kg
  • Dimensions: 550mm x 550mm x 1308mm
£469.33 ex VAT
(£563.20 inc VAT)

Kingspan Ultrasteel 180 Litre Indirect - Slimline Unvented Hot Water Cylinder

Product code: AUI180SLMERP

Kingspan Ultrasteel 180 Litre Indirect - Slimline Unvented Hot Water Cylinder

Product Code: AUI180SLMERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 180 litres
  • Weight: 60.00kg
  • Dimensions: 478mm x 478mm x 1717mm
£538.92 ex VAT
(£646.70 inc VAT)
Kingspan Ultrasteel Plus 180 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product code: AUXN180ERP

Kingspan Ultrasteel Plus 180 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product Code: AUXN180ERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 180 litres
  • Weight: 45.00kg
  • Dimensions: 550mm x 550mm x 1367mm
£689.61 ex VAT
(£827.53 inc VAT)

Megaflo Eco 200 Litre Slimline Indirect Unvented Hot Water Cylinder

Product code: 7034091

Megaflo Eco 200 Litre Slimline Indirect Unvented Hot Water Cylinder

Product Code: 7034091

  • Guarantee: 25 Year Guarantee
  • Capacity: 200 litres
  • Diameter/Height: 491mm x 2079mm
  • Weight: 48.00kg
£1045.00 ex VAT
(£1,254.00 inc VAT)
Kingspan Ultrasteel 210 Litre Indirect - Horizontal Unvented Hot Water Cylinder

Product code: AUIH210ERP

Kingspan Ultrasteel 210 Litre Indirect - Horizontal Unvented Hot Water Cylinder

Product Code: AUIH210ERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 210 litres
  • Weight: 65.00kg
  • Dimensions: 1446mm x 550mm x 680mm
£570.07 ex VAT
(£684.08 inc VAT)

Kingspan Ultrasteel 210 Litre Indirect - Unvented Hot Water Cylinder

Product code: AUI210

Kingspan Ultrasteel 210 Litre Indirect - Unvented Hot Water Cylinder

Product Code: AUI210

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 210 litres
  • Weight: 50.00kg
  • Dimensions: 550mm x 550mm x 1496mm
£496.08 ex VAT
(£595.30 inc VAT)
Kingspan Ultrasteel 210 Litre Indirect - Slimline Unvented Hot Water Cylinder

Product code: AUI210SLMERP

Kingspan Ultrasteel 210 Litre Indirect - Slimline Unvented Hot Water Cylinder

Product Code: AUI210SLMERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 210 litres
  • Weight: 68.00kg
  • Dimensions: 478mm x 478mm x 2030mm
£562.55 ex VAT
(£675.06 inc VAT)

Flomaster 210 Litre Indirect - Unvented Hot Water Cylinder

Product code: FN210ERP

Flomaster 210 Litre Indirect - Unvented Hot Water Cylinder

Product Code: FN210ERP

  • Guarantee: 10 Year Guarantee
  • Capacity: 210 litres
  • Weight: 50.00kg
  • Dimensions: 550mm x 550mm x 1496mm
£451.08 ex VAT
(£541.30 inc VAT)
Kingspan Ultrasteel Plus 210 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product code: AUXN210ERP

Kingspan Ultrasteel Plus 210 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product Code: AUXN210ERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 210 litres
  • Weight: 50.00kg
  • Dimensions: 550mm x 550mm x 1557mm
£723.41 ex VAT
(£868.09 inc VAT)

Megaflo Eco 210 Litre Indirect Unvented Hot Water Cylinder

Product code: 95050469

Megaflo Eco 210 Litre Indirect Unvented Hot Water Cylinder

Product Code: 95050469

  • Guarantee: 25 Year Guarantee
  • Capacity: 210 litres
  • Diameter/Height: 579mm x 1486mm
  • Weight: 45.00kg
£975.00 ex VAT
(£1,170.00 inc VAT)
Main Heating 210 Litre Indirect Unvented Hot Water Cylinder

Product code: 5133564

Main Heating 210 Litre Indirect Unvented Hot Water Cylinder

Product Code: 5133564

  • Guarantee: 25 Year Guarantee
  • Capacity: 210 litres
  • Diameter/Height: 550mm x 1499mm
  • Weight: 41.00kg
£485.00 ex VAT
(£582.00 inc VAT)

Heatrae Sadia PremierPlus 210 Litre Indirect Hot Water Cylinder

Product code: 94050813

Heatrae Sadia PremierPlus 210 Litre Indirect Hot Water Cylinder

Product Code: 94050813

  • Guarantee: 30 Year Guarantee
  • Capacity: 210 litres
  • Diameter/Height: 588mm x 1474mm
  • Weight: 41.00kg
£670.00 ex VAT
(£804.00 inc VAT)
Kingspan Ultrasteel 250 Litre Indirect - Horizontal Unvented Hot Water Cylinder

Product code: AUIH250ERP

Kingspan Ultrasteel 250 Litre Indirect - Horizontal Unvented Hot Water Cylinder

Product Code: AUIH250ERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 250 litres
  • Weight: 70.00kg
  • Dimensions: 1696mm x 550mm x 680mm
£634.99 ex VAT
(£761.99 inc VAT)

Kingspan Ultrasteel 250 Litre Indirect - Unvented Hot Water Cylinder

Product code: AUI250

Kingspan Ultrasteel 250 Litre Indirect - Unvented Hot Water Cylinder

Product Code: AUI250

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 250 litres
  • Weight: 55.00kg
  • Dimensions: 550mm x 550mm x 1746mm
£488.65 ex VAT
(£586.38 inc VAT)
Kingspan Ultrasteel Plus 250 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product code: AUXN250ERP

Kingspan Ultrasteel Plus 250 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product Code: AUXN250ERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 250 litres
  • Weight: 55.00kg
  • Dimensions: 550mm x 550mm x 1802mm
£774.11 ex VAT
(£928.93 inc VAT)

Megaflo Eco 250 Litre Indirect Unvented Hot Water Cylinder

Product code: 95050472

Megaflo Eco 250 Litre Indirect Unvented Hot Water Cylinder

Product Code: 95050472

  • Guarantee: 25 Year Guarantee
  • Capacity: 250 litres
  • Diameter/Height: 579mm x 1738mm
  • Weight: 50.00kg
£1070.00 ex VAT
(£1,284.00 inc VAT)
Main Heating 250 Litre Indirect Unvented Hot Water Cylinder

Product code: 5135327

Main Heating 250 Litre Indirect Unvented Hot Water Cylinder

Product Code: 5135327

  • Guarantee: 25 Year Guarantee
  • Capacity: 250 litres
  • Diameter/Height: 550mm x 1752mm
  • Weight: 50.00kg
£565.00 ex VAT
(£678.00 inc VAT)

Heatrae Sadia PremierPlus 250 Litre Indirect Hot Water Cylinder

Product code: 94050814

Heatrae Sadia PremierPlus 250 Litre Indirect Hot Water Cylinder

Product Code: 94050814

  • Guarantee: 30 Year Guarantee
  • Capacity: 250 litres
  • Diameter/Height: 588mm x 1726mm
  • Weight: 50.00kg
£715.00 ex VAT
(£858.00 inc VAT)
Heatrae Sadia PremierPlus 250 Litre 6KW Indirect Hot Water Cylinder

Product code: 94050815

Heatrae Sadia PremierPlus 250 Litre 6KW Indirect Hot Water Cylinder

Product Code: 94050815

  • Guarantee: 30 Year Guarantee
  • Capacity: 250 litres
  • Diameter/Height: 588mm x 1726mm
  • Weight: 52.00kg
£795.00 ex VAT
(£954.00 inc VAT)

Kingspan Ultrasteel 300 Litre Indirect - Horizontal Unvented Hot Water Cylinder

Product code: AUIH300ERP

Kingspan Ultrasteel 300 Litre Indirect - Horizontal Unvented Hot Water Cylinder

Product Code: AUIH300ERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 300 litres
  • Weight: 75.00kg
  • Dimensions: 2009mm x 550mm x 680mm
£680.51 ex VAT
(£816.61 inc VAT)
Kingspan Ultrasteel 300 Litre Indirect - Unvented Hot Water Cylinder

Product code: AUI300

Kingspan Ultrasteel 300 Litre Indirect - Unvented Hot Water Cylinder

Product Code: AUI300

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 300 litres
  • Weight: 60.00kg
  • Dimensions: 550mm x 550mm x 2055mm
£533.33 ex VAT
(£640.00 inc VAT)

Kingspan Ultrasteel Plus 300 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product code: AUXN300ERP

Kingspan Ultrasteel Plus 300 Litre Indirect - Unvented Cylinder with Internal Thermal Expansion

Product Code: AUXN300ERP

  • Guarantee: 25 Year Guarantee
  • Capacity: 300 litres
  • Weight: 60.00kg
  • Dimensions: 550mm x 550mm x 2072mm
£841.73 ex VAT
(£1,010.08 inc VAT)
Megaflo Eco 300 Litre Indirect Unvented Hot Water Cylinder

Product code: 95050475

Megaflo Eco 300 Litre Indirect Unvented Hot Water Cylinder

Product Code: 95050475

  • Guarantee: 25 Year Guarantee
  • Capacity: 300 litres
  • Diameter/Height: 579mm x 2053mm
  • Weight: 58.00kg
£1160.00 ex VAT
(£1,392.00 inc VAT)
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