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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Kingspan Ultrasteel 90 Litre Indirect - Unvented Hot Water Cylinder

Product code: AUI90

Kingspan Ultrasteel 90 Litre Indirect - Unvented Hot Water Cylinder

Product Code: AUI90

  • Delivery Options: Next Day Delivery (Optional)
  • 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

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 90 litres
  • Weight: 36.00kg
  • Dimensions: 478mm x 478mm x 1091mm
£449.42 ex VAT
(£539.30 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

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 120 litres
  • Weight: 35.00kg
  • Dimensions: 550mm x 550mm x 933mm
£383.42 ex VAT
(£460.10 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

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 120 litres
  • Weight: 44.00kg
  • Dimensions: 478mm x 478mm x 1276mm
£456.06 ex VAT
(£547.27 inc VAT)

Kingspan Flomaster 120 Litre Indirect - Unvented Hot Water Cylinder
10% Off Flomaster

Product code: FN120ERP

Kingspan Flomaster 120 Litre Indirect - Unvented Hot Water Cylinder

Product Code: FN120ERP

  • Guarantee: 10 Year Guarantee
  • Capacity: 120 litres
  • Weight: 30.00kg
  • Dimensions: 550mm x 550mm x 933mm
£364.25 ex VAT
(£437.10 inc VAT)
no image available

Product code: AUXN120ERP

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

Product Code: AUXN120ERP

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 120 litres
  • Weight: 35.00kg
  • Dimensions: 550mm x 550mm x 997mm
£602.73 ex VAT
(£723.28 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
£409.37 ex VAT
(£491.24 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

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 150 litres
  • Weight: 52.00kg
  • Dimensions: 478mm x 478mm x 1467mm
£484.24 ex VAT
(£581.09 inc VAT)

Kingspan Flomaster 150 Litre Indirect - Unvented Hot Water Cylinder
10% Off Flomaster

Product code: FN150ERP

Kingspan 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
£388.90 ex VAT
(£466.68 inc VAT)
no image available

Product code: AUXN150ERP

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

Product Code: AUXN150ERP

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 150 litres
  • Weight: 40.00kg
  • Dimensions: 550mm x 550mm x 1185mm
£618.69 ex VAT
(£742.43 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

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 180 litres
  • Weight: 60.00kg
  • Dimensions: 1258mm x 550mm x 680mm
£503.37 ex VAT
(£604.04 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
£430.99 ex VAT
(£517.19 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

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 180 litres
  • Weight: 60.00kg
  • Dimensions: 478mm x 478mm x 1717mm
£508.41 ex VAT
(£610.09 inc VAT)
Kingspan Flomaster 180 Litre Indirect - Unvented Hot Water Cylinder
10% Off Flomaster

Product code: FN180ERP

Kingspan Flomaster 180 Litre Indirect - Unvented Hot Water Cylinder

Product Code: FN180ERP

  • Guarantee: 10 Year Guarantee
  • Capacity: 180 litres
  • Weight: 45.00kg
  • Dimensions: 550mm x 550mm x 1308mm
£409.44 ex VAT
(£491.33 inc VAT)

no image available

Product code: AUXN180ERP

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

Product Code: AUXN180ERP

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 180 litres
  • Weight: 45.00kg
  • Dimensions: 550mm x 550mm x 1367mm
£618.69 ex VAT
(£742.43 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

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 210 litres
  • Weight: 65.00kg
  • Dimensions: 1446mm x 550mm x 680mm
£537.80 ex VAT
(£645.36 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
£449.73 ex VAT
(£539.68 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

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 210 litres
  • Weight: 68.00kg
  • Dimensions: 478mm x 478mm x 2030mm
£530.71 ex VAT
(£636.85 inc VAT)

Kingspan Flomaster 210 Litre Indirect - Unvented Hot Water Cylinder
10% Off Flomaster

Product code: FN210ERP

Kingspan 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
£427.24 ex VAT
(£512.69 inc VAT)
no image available

Product code: AUXN210ERP

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

Product Code: AUXN210ERP

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 210 litres
  • Weight: 50.00kg
  • Dimensions: 550mm x 550mm x 1557mm
£682.46 ex VAT
(£818.95 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

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 250 litres
  • Weight: 70.00kg
  • Dimensions: 1696mm x 550mm x 680mm
£599.05 ex VAT
(£718.86 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 Flomaster 250 Litre Indirect - Unvented Hot Water Cylinder
10% Off Flomaster

Product code: FN250ERP

Kingspan Flomaster 250 Litre Indirect - Unvented Hot Water Cylinder

Product Code: FN250ERP

  • Guarantee: 10 Year Guarantee
  • Capacity: 250 litres
  • Weight: 55.00kg
  • Dimensions: 550mm x 550mm x 1746mm
£464.22 ex VAT
(£557.06 inc VAT)
no image available

Product code: AUXN250ERP

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

Product Code: AUXN250ERP

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 250 litres
  • Weight: 55.00kg
  • Dimensions: 550mm x 550mm x 1802mm
£730.29 ex VAT
(£876.35 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

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 300 litres
  • Weight: 75.00kg
  • Dimensions: 2009mm x 550mm x 680mm
£641.99 ex VAT
(£770.39 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 Flomaster 300 Litre Indirect - Unvented Hot Water Cylinder
10% Off Flomaster

Product code: FN300ERP

Kingspan Flomaster 300 Litre Indirect - Unvented Hot Water Cylinder

Product Code: FN300ERP

  • Guarantee: 10 Year Guarantee
  • Capacity: 300 litres
  • Weight: 60.00kg
  • Dimensions: 550mm x 550mm x 2055mm
£506.67 ex VAT
(£608.00 inc VAT)
no image available

Product code: AUXN300ERP

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

Product Code: AUXN300ERP

  • Delivery Options: Next Day Delivery (Optional)
  • Guarantee: 25 Year Guarantee
  • Capacity: 300 litres
  • Weight: 60.00kg
  • Dimensions: 550mm x 550mm x 2072mm
£794.08 ex VAT
(£952.90 inc VAT)