• Automatic balancing control
  • Ultrasonic Heat Meter – MID Class 2, RHI compliant
  • White painted casing with hinged, lockable door
  • Digital HWS temperature control
  • 5kW up to 70kW HWS output options
  • Up to 25kW central heating output options
  • Central heating pump
Domestic hot water
Heat exchanger materialAISI 316 stainless steel
Nominal heat exchange capacity41kW
Primary Circuit
Nominal flow rate0.278 l/s
Hydraulic resistance17.3 kPa
Primary temperatures80/45ºC
Secondary Circuit
Nominal flow rate14.6 l/min
Nominal hydraulic resistance11.54 kPa
Nominal temperature rise10 - 50ºC (Δt 40K)
Central Heating
Heat exchanger materialNone - direct type
Nominal heating service (max)35 kW
Nominal Flow (max)0.41 l/s
Resistance @ 0.41 l/s15 kPa
Weight25kg (Nominal)

Note: The data in the above table is a “capacitive example only” showing the Minimum and Maximum possible outputs across a range.  Differing performances may be obtained with alternative heat exchangers, flow rates and temperatures.

  • Heat meters with optional M-bus, Pulse In/Out or RF output for remote reading or Pre-payment facilities.
  • HWS recirculation system.
  • Plumbing jig, flushing bypass, isolation valves.
  • Buffer vessels (VISTRON BXL and VISTRON B)
  • Low loss headers.
  • Water meters (For external fitting)