Features & Benefits
  • One unit can supply up to 3 showers at the same time
  • Up to six units can be installed in cascade to meet system requirements
  • Only available in natural gas
  • Vertical or horizontal concentric flue options for easy siting and installation
  • Auto ignition as standard that modulates dependant on demand for simple management
  • Remote controller that can be purchased at time of installation with unique built in maintenance monitor
  • Meets forthcoming Energy-related Products directive (ErP)
  • The fan shuts down when not in use to conserve energy
  • Can be linked to additional storage vessel such as the ST range to meet peak hot water demand
Technical Specifications
Model (Natural Gas) WH42 WH56 WHX56 WHC56
Model** (Propane) LWH42 LWH56 LWHX56 N/A
Heat input net kW 49.0 62.3 62.3 54.0
Heat output net kW 42.0 55.8 55.8 55.8
Gas rate natural m3/hr 5.1 6.5 6.5 5.1
Gas rate propane m3/hr 1.9 2.5 2.5 N/A
NOx emissions ppm 52 52 N/A 60
NOx emissions mg/kWh 92 92 N/A 105.84
NOx emissions (propane) ppm N/A N/A 72 N/A
NOx emissions (propane) mg/kWh N/A N/A 128 N/A
Noise level dB(A) 49 49 49 49
Water connection ¾ BSP ¾ BSP ¾ BSP ¾ BSP
Gas connection (gas cock supplied) ¾ BSP ¾ BSP ¾ BSP ¾ BSP
Efficiency % 86 90 90 103
Max water pressure bar 10.0 10.0 10.0 10.0
Min water pressure*** bar 1.0 1.0 1.0 1.0
Electric supply V 230 230 230 230
Frequency Hz 50 50 50 50
Fuse 5A 5A 5A 5A
Max flow rate @ 25ºC rise ltrs/min 24 32 32 32
Min flow rate ltrs/min 3.5 3.5 3.5 3.5
Flue type Concentric 100mm Concentric 100mm External no flue required Concentric 100mm

** L prefix propane models must be specified when ordering

*** Note: although the heaters operate at low water pressure, maximum performance is not attained unless incoming pressure is 2 bar or more. On pumped circulation systems a minimum flow of 8 litres/min through each heater is required for optimum performance.


Contact Us

Your Name (required)

Email Address (required)

Phone No (required)

Product Name

Your Query

Contact Us

We're not around right now. But you can send us an email and we'll get back to you, asap.

Not readable? Change text. captcha txt