Heat Interface Units
Heat Interface Units Heat Interface Units Heat Interface Units

This product can be customised to suit your specification.

Heat Interface Units (HIU) are designed to provide heat exchange, metering and control for clients (apartments and houses) in a modern district heating system.  HIUs in the RVR range meet the recommendations for the UK and Irish markets as set out by BSRIA in their Heat Interface Units guide (BG62/2015).
Capacities and flow rates may be adapted depending on the requirements of the project but all units in our range share common features and components:
  • Primary working pressure up to 10 bar and 90°C.
  • Secondary working pressure of up to 3 bar.
  • DPCV - Differential Pressure Control Valve
  • Insulated plate heat exchanger for DHW
  • Insulated plate heat exchanger for CH
  • DHW temperature sensor
  • CH temperature sensor
  • Strainer on primary circuit
  • Modulating 2-way motorized valve for CH control
  • Modulating 2-way motorized valve for DHW control
  • Safety valve on CH circuit, max pressure 3.5 bar
  • Circulation Pump ErP for CH circuit
  • CH Expansion vessel
  • Automatic air vent
  • Filling point
  • Control panel with keyboard and display
Optional Components
  • Ultrasonic Heat meter DN15 with local and M-bus reading
  • DHW flow meter
  • Insulated casing
Pipe connections are typically G ¾”M and may be configured for piping from above or below. This must be specified at time of order.  Typical electrical connections: Power 230V 50 Hz, thermostat and M-Bus line.
Please note that products may differ slightly from the images shown.

Manufacturer: RVR Energy Technology Ltd