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Flow 8500 Indirect Heat Interface Unit (HIU)

Description

Meet the next generation of heat networks: the BESA 2023 tested and registered indirect HIU – the Flow 8500.

The Flow 8500 Indirect HIU is our cutting-edge heat network solution. A system designed to redefine efficiency and sustainability in heating infrastructure. Its innovative technology not only meets the demands of today’s energy landscape,but also anticipates the needs of tomorrow, with a focus on a reliable design and performance.

This HIU ensures optimal heat distribution whilst reducing environmental impact. It is the future of energy efficient, community-centred heating.

For more information visit the BOSCH website here.

Object Data

1 Revision

Last Updated

08/09/2026

Available Software

BS1192:4

Compliant

BSB

Compliant

EPD

Not Available

_AuthorSM
_Authorized ByBimstore
_Bim Spec Guid0
_BS Bible Version17
_Created Bywww.bimstore.co/
_Current Revision1
_Distributed Bywww.bimstore.co/
_Object User Guidewww.bimstore.co/products/cd3c6830-eee6-4d96-a787-5731a6f15943/document/object-user-guide
Access Clearance Bottom200 mm
Access Clearance Front600 mm
Access Clearance Left5 mm
Access Clearance Rear0 mm
Access Clearance Right5 mm
Access Clearance Top30 mm
Accessibility Performancen/a
Assembly CodeD3020
Asset TypeFixed
BIM Object NameBosch_MechanicalEquipment_HIU_Flow8500_Indirect
Classification NameUniclass2015
Classification ValuePr_80_51_51_37
Code Performancen/a
Cold Inlet Size22 mm
ColorWhite
Connection OrientationTop & Bottom
ConstituentsSteel, Copper, Stainless steel, Cast iron, Polymers, Foam
Controls Type230VAC or EMS
Created Bychp.technical@uk.bosch.com
Created On2026-09-08T:09:00:00
Default Elevation0 mm
Depth270 mm
DescriptionDomestic hot water and space heating for properties that are serviced from district heating or centralised boiler plants
DHW40 kW
DHW Connection TypeCompression
DHW Flow Rate L/Min14
DHW Heat Exchanger MaterialStainless Steel and Copper
DHW Max Operating Pressure10 bar
DHW Max Temperature60 °C
DHW Primary Flow Rate L/S0.16
DHW Primary Pressure Loss19.1 kPa
DHW Rated CriteriaDistrict 80°C (DHW 50°C @ 40K rise)
Documentation Certificateswww.bimstore.co/products/cd3c6830-eee6-4d96-a787-5731a6f15943/document/product-certificates
Documentation Installation Guidewww.bimstore.co/products/cd3c6830-eee6-4d96-a787-5731a6f15943/document/installation-guide
Documentation Literaturewww.bimstore.co/products/cd3c6830-eee6-4d96-a787-5731a6f15943/document/product-literature
Documentation Maintenancewww.bimstore.co/products/cd3c6830-eee6-4d96-a787-5731a6f15943/document/maintenance-information
Documentation Technicalwww.bimstore.co/products/cd3c6830-eee6-4d96-a787-5731a6f15943/document/technical-data-sheet
Duration UnitYears
Expected Life20
External MaterialSteel
Featuresn/a
FinishWhite
Frequency50
Graden/a
Gross Weight31.00 kg
Heating Flow&Return Connection Size22 mm
Heating Flow&Return Connection TypeCompression
Heating Max Flow Temperature80 °C
Heating Max Operating Pressure3 bar
Heating Output Range1.5-15
Height700 mm
Hot Outlet Size22 mm
Ifc Export AsIfcBoiler
Ifc Export TypeIfcBoilerTypeEnum.WATER
Inside Dim418 mm
Internal Flow MeterNo
KeynoteT10
LogoBosch - Tronic - Grey
ManufacturerBosch
Maximum Power Consumption41.3
ModelFlow 8500 40 - Wall Mounted Heat Distribution Unit
Model NumberFlow 8500 40 - Wall Mounted Heat Distribution Unit
MountingWall
NBS DescriptionBosch - Heat Meters
NBS Object NameHeat meters
NBS Office Master Tagn/a
NBS Reference90-65-55/430
Nominal Depth0 mm
Nominal Height0 mm
Nominal Length0 mm
Primary Flow&Return Connection TypeCompression
Primary Flow&Return Size22 mm
Primary Max Operating Pressure10 bar
Production Year2026
Referenced Standardn/a
Replacement Costn/a
Safety Valve Connection Size15 mm
Safety Valve Connection TypePlain
ShapeRectangular Vertical
Shipping Weight34.00 kg
Size440 x 700 x 270mm
Spare Partsn/a
TypeIndirect
Type CommentsFlow 8500 40
Type NameFlow 8500 40
URLwww.bosch-professional.com/
Voltage230VAC
Warranty Description2 years Parts & Labour
Warranty Duration Labor2
Warranty Duration Parts2
Warranty Duration UnitYears
Warranty Guarantor Laborn/a
Warranty Guarantor Partschp.technical@uk.bosch.com
Width440 mm