Greenstar Heat Interface Unit (HIU) Greenstar Heat Interface Unit (HIU)
Greenstar Heat Interface Unit (HIU) Greenstar Heat Interface Unit (HIU)

Greenstar Heat Interface Unit (HIU) overview

Our Heat Interface Unit (HIU) is the perfect solution for providing district hot water and space heating to properties which are serviced from district heating and applications with a centralised plant room.

The new Greenstar HIU includes a premium appliance that offers up to 21 litres per minute flow rate and incorporates components such as a differential pressure control valve (KE Plus, E Plus and E) and summer by-pass (KE Plus and E Plus)

Features & Benefits

DHW and space heating temperature control
DHW & CH on demand with hydraulic system separation and two heat exchangers
Prioritises the temperature at the DHW heat exchanger for maximum comfort
DHW heat exchanger to operate on demand only
Compatible with Bosch Commercial and Industrial Heating product range
Flexible installation with wall mounting frame
2 year guarantee*
Keyless filling link supplied as standard
Models available with or without heat meter to suit specific requirements

Technical Details

Greenstar HIU KE Plus with heat meter Greenstar HIU E Plus with heat meter Greenstar HIU E with heat meter Greenstar HIU with heat meter
Part number 7 733 600 134 7 733 600 136 7 733 600 138 7 733 600 140
Dimensions (mm) 700 x 440 x 270 700 x 440 x 270 700 x 440 x 270 700 x 440 x 270
Weight 36 34 34 34
Maximum output to DHW (Kw) 58.6 39.1 39.1 39.1
Maximum output to CH (Kw) 15 15 15 15
Maximum working pressure district heating side (bar) 10 10 10 10
Maximum working pressure DHW side (bar) 10 10 10 10
DHW flow rate (50°C) as 81/22 21 l/min 14 l/min 14 l/min 14 l/min

Related Accessories

Boiler Accessories Part number
Rear vertical pre-piping kit
Flushing valve
DPCV - Differential pressure control valve
Summer by-pass
Security fixings
Heat meter (for use with non heat meter models)

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