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Built to perform

  • Features and benefits
  • Specifications
  • Literature
  • Energy labelling
  • Low NOx
  • Environmental benefits and future proofed against the next level of ErP incoming September 2018
  • Ability to cascade up to six units
  • Increased power output, easy commissioning, and simple operation
  • New condensing models added to the family
  • More choice and better efficiencies – saving fuel and cost
  • 10 bar max pressure
  • High performance, peace of mind and simpler installation in more demanding systems
  • Wall hung and small and compact
  • Flexible siting in more difficult applications where space is at a premium
  • Can be run on LPG and used externally
  • Durable – suitable for off grid applications and more niche applications where other options are not appropriate

View product specification

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Model


  WHi49 WHiX49 WHiC56 WHiCX56 LWHi49 LWHiX49 LWHiC56 LWHiCX56
Product code
7689823
7689845 7689819 7689821 7689844 7689846 7689819 7689822
Energy        
Heat input (net) kW 53.5 53.5 54 53.5 53.5 53.5 54 53.5
Heat output (gross)
kW 49 49 56 56 49 49 56 56
Gross thermal efficiency (EN89)
% 89 88 103 104 90 88 101 98
ErP         
NOx emissions (0% 02) mg/kWh 42.6 38.9 43.8 28.5 48.8 36.8 42.3 50.3
ErP efficiency rating     B A B B A A
Noise level dBA 61 66 58 63 61 66 58 62
Performance        
Hot water capacity at 25ºC rise litre/min 28 28 32 32 28 28 32 32
Hot water capacity at 55ºC rise litre/min 13 13 15 15 13 13 15 15
Operating pressure (unvented) bar 2 2
2 2 2 2 2 2
Minimum working pressure at 10.3 bar bar 1 1 1 1 1 1 1 1
Maximum working pressure bar 10 10 10 10 10 10 10 10
Electrical        
Fuse rating amp 10 10 10 10 10 10 10 10
Electrical power consumption W 75.9 75.9 75.9 75.9 81 75.9 75.9 75.9
Electrical requirements V 230 230 230 230 230 230 230 230
Misc.        
Weight empty kg 28 26 32 32 28 26 32 32
Maximum outlet temperature ºC 80 80 80 80 80 80 80 80
Height mm 600 600 615 615 600 600 615 615
Width mm 350 350 464 464 350 350 464 464
Depth mm 280 240 240 240 280 240 240 240
Service clearance        
Front mm 600 600 600 600 600 600 600 600
Sides mm 100 150 200 150 100 150 200 150
Above mm 300 300 300 300 300 300 300 300
Shipping        
Shipping width mm 425 425 578 578 425 425 578 578
Shipping depth mm 361 321 359 359 361 321 359 359
Shipping height mm 789 776 780 780 789 776 780 780
Shipping weight kg 33 31 37 37 33 31 37 37
Accessories        
Unvented system kit
  B235 B235 B234 B234 B235
B235 B235 B235
Unvented system kit - multiple units
  B276 B276 B276 B276 B276 B276 B276 B276
Remote controller kit for single units
  7705368 7705368 7705368 7705368 7705368 7705368 7705368 7705368
Remote controller kit that links two units
  7705369 7705369 7705369 7705369 7705369 7705369 7705369 7705369
Remote controller kit for 3 to 6 units   7705370 7705370 7705370 7705370 7705370 7705370 7705370 7705370

The Energy Related Products Directive (ErP) has applied to all domestic and commercial heating and hot water products through Europe since September 2015.

From 26th September 2018 any water heater sold must have an efficiency/NOx output rating of C or above. In line with the new ErP legislation, we have upgraded our product range so they are all ErP compliant before the September deadline. Read more about the new product range, and legislation changes here.

FREE product training for professionals

Meet the Next Generation water heaters
…all now ErP compliant