RAYCHEM HWAT-R heating cable for hot water temperature maintenance. 12 W/m at 70°C

nVent Raychem HWAT-R heating cable for legionella prevention and hot water temperature maintenance

RAYCHEM HWAT-R heating cable for hot water temperature maintenance. 12 W/m at 70°C


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This product has a minimum order quantity of 10 metres



Product details

nVent RAYCHEM HWAT-R heating cable is designed to maintain hot water at a desired temperature within the buildings distribution system. Ideal for use within hotels, hospitals and convalescent homes HWAT-R can prevent legionella growth and eliminate the need for recirculation within the hot water system.

HWAT-R: Features & Benefits

  • Instant hot water: improved delivery of hot water compared to recirculation systems
  • Prevention of bacteria proliferation: maintain a specific water temperature, LEGIONELLA prevention capability
  • Efficient: energy saving, reduced water use
  • Simple to design: self-regulating flexible cable, cut to length
  • Low installed cost: no need for return pipes, recirculation pumps, balancing valves or complex commissioning
  • Control: advanced control and monitoring to maximum energy savings
  • Reliable: 10 year warranty


  • TECHNICAL DETAILS
    SPECIFICATIONS
    ApplicationHot water temperature maintenance
    Min.nominal power output 12 W/m at 70°C
    Maximum circuit length100 m
    Legionella thermal shockYes  
    Circuit beaker type /sizeType C / max. 20 A
    Suitable for pipe materialCopper: 
    Threaded metal: 

    Stainless steel: 

    Composite metals: 

    Plastics: 
      - use with aluminium tape ATE-180
    Maximum exposure temperature 
    85°C - continuous
    Maximum exposure temperature
    90°C - intermittent (power on)
    BraidTinned copper
    Braid coverage80 %
    Aluminium foil layerYes  
    Inner/outer jacket materialModified polyolefin
    Outer jacket colourRed
    Minimum bend radius10 mm
    Supply voltage230 VAC 
    Chemical resistanceMild inorganic solutions
    HWAT cable 
    (230 VAC)
    Maximum circuit length (m). Based on start up temperature +12°C
    10131620
    HWAT-L80110140180
    HWAT-M506580100
    HWAT-R506580100
    *** IMPORTANT ***  30 mA residual current device (RCD) and a circuit breaker (C-type characteristic) required for maximum safety and fire protection.
  • APPROVALS
    APPROVALS
    Tested and approved IEC62395 and IEEE 515.1
    BS, ÖVE, VDE, SEV, CSTB, SVGW, DVGW, CE


  • DIMENSIONS
    DIMENSIONS AND WEIGHT
    Thickness6.7 mm
    Width16.1 mm
    Weight0.14 kg/m
    Conductors2 x 1.5 mm² nickel plated copper