HyBO-HIU Hydraulic Interface Unit - Honeywell Home€¦ · Honeywell y Subject to change...

Honeywell Subject to change EN0H-2608GE25 R0311

HyBO-HIUHydraulic Interface Unit

PRODUCT DATA

Overview The HIU (Hydraulic Interface Unit) series consist of the following products: • HIU Hydraulic Interface Unit (this datasheet) • HyBo Metering Box (see separate datasheet)To fullfil the plant requirements several options are available for each product range .

ApplicationThe HIU (Hydraulic Interface Unit) is designed to be applied in central heating systems for multi family dwellings where the domestic hot water is produced directly in the apartment.The typical heating systems where HIU can guarantee the maximum performances are designed based on the following criteria and principles:• High design delta-T conditions: emission terminals such as

radiators are designed considering a high water ΔT (for example 30-40or 50K).

• Minimise design water flow: high delta-T conditions allow minimising nominal water flow and a more flexible distribution system

• Contain pipeline dimensions: with minimised water flow it is possible to contain pipeline dimensions, containing cost and simplify installation

• Reduce insulation cost: smaller pipeline dimensions effect cost of insulation

• Minimise distribution pump dimension/consumption: a low flow system allows reduction of the pump size. Also electricity consumption is reduced when pipelines are designed for reducing total system pressure drop

• Facilitate balancing: a low flow system combined with low pressure drop pipelines facilitate balancing due to low pres-sure drop from the main risers of the plant

• Guarantee high performance for heat generation system: low return temperature conditions guarantee best performance for main generation system such as condensing boiler, district heating system, heat pump systems, etc.

• Guarantee heat and water metering accuracy high ΔT allow to reduce the measures errors (ref EN1434, UNI10200)

A: Apartment B: Room thermostat C: HyBo – Hydraulic interface Unit (HIU)D: Technical Space1. Centralize heat generator (cond boiler etc)2. water softener 3. Apartment heating plant4. Sanitary water plant5. TRV valve

HYBO-HIU HYDRAULIC INTERFACE UNIT

EN0H-2608GE25 R0311 2 Honeywell Subject to change

SpecificationsOS No. HIU……. HIU……..Option Ultrasonic options Mechanical optionsHeating / Exchanger Primary CircuitKind of fluid water of quality to VDI 2035 Max. temperature 90°CMax. operating pressure 6 barHeating min/max flow rate 0,006 m3/h - 3 m3/h 0,015 m3/h - 3 m3/hHeating nominal flow rate 1,5 m3/hWater linesKind of fluid waterMax. setting temperature 90°CMax. operating pressure 6 barMinimal flow rate 0,030 m3/h 0,020 m3/h Max. flow rate 3 m3/hDHW / Exchanger Secondary CircuitKind of fluid waterMax. setting temperature 90°CMax. operating pressure 6 barMinimal flow rate 0,24 m3/h Max. flow rate 3 m3/h PipesMaterial copperSize Ø18 x 1 mmHydraulic connectionsMaterial brassSize G 3/4"Metal frameMaterial galvanized sheet 15/10Electrical SupplyTension 230 V ±10%Frequency 50 HzMax. power consumption 7 WIP protection 40Ambient operationInstallation indoorTemperature range 5-55°CHumidity range 25-85%Motorized ValveOperation time ON/OFF type 10 secOperation time Modulating type 15 secFeaturesweight - Basic Unit 15 kgweight - in wall unit (Basic+template) 27 kgweight- wall hanging unit 23 kg


Honeywell Subject to change 3 EN0H-2608GE25 R0311

Features• High accuracy ultrasonic or multijet heatmeter avoids

customer complaints and guarantees correct measurement for years (MID class 2)

• M-Bus ready heatmetering system: all versions are equipped with M-Bus devices ready for connection to M-Bus network reducing site effort

• Electronic watermeter with M-Bus output: use multijet tech-nology. Allow to measure flow, change reading date and simplify operation of commissioning and reading. This allows reduction of commissioning time by reading DHW water flow for each apartment • Insulated version to reduce heat losses

• Configuration options available

DesignThe Hydraulic Interface Unit consists of: • Shutoff valves for inlets and outlets (1)• Watermeter with M-bus interface (2 + 3)• Flow sensor (4)• Heatmeter with M-bus interface and MID approval (5)• Heatmeter sensor (6)• Flow sensor (7)• Circulation balancing valve (8)• Heat exchanger for production of domestic hot water (9)• Motorised modulating valve for control of hot water produc-

tion (10)• Motorised valve (on/off) for shutoff of central heating supply

(11)• Temperature sensor (12)• Strainer (13)• Non return valve for circulation loop (15)• Controller (16)• Balancing valve (17, optional)• Non return valve (18)• Piping• Baseplate for installation on or in the wall• Optional cabinet

NOTE: Numbers in brackets refer to Fig. 1

Materials• Baseplate and optional cabinet made of sheet steel. Cabinet

painted white according to RAL9010• Heat exchanger made of stainless steel, copper and copper

alloy • Pipes made of copper• Valve housings, fittings, union nuts and other components

made of brass or other copper alloys• Housings of electronic components, e.g. actuators,

controller and energy integrators, made of plastic

FunctionThe HIU Hydraulic Interface unit provides the following main functions: • Heat and water M-Bus metering system: the unit is equipped

with an ultrasonic or mechanical heatmeter with M-Bus communication output

• Domestic Water Production: the unit is equipped with a heat exchanger, electronic board, modulating valve. The PID algorithm guarantee safe, quick and efficient DHW produc-tion.

• Balancing: the unit is equipped with a Honeywell Kombi-3-plus in order to provide the right commissioning of the heating system

• Heating system control: the unit is equipped with a motorised valve that receives a command from an external thermostat (optional) will allow to open or close the heating circuits

Hydraulic scheme for the HIU Hydraulic Interface unit (full optional version):

Fig. 1. Functional schemeA Cold water supply, pipe dimension 3/4“

B Cold water supply, pipe dimension 3/4“

C Central heating supply , pipe dimension 3/4“

D Central heating return , pipe dimension 3/4“

E Potable water circulation return, pipe dimension 3/4“

F Appartment warm potable water supply , pipe dimen-sion 3/4“

G Appartment cold potable water supply , pipe dimension 3/4“

H Appartment radiator loop supply , pipe dimension 3/4“

I Appartment radiator loop return , pipe dimension 3/4“

A B C D

E GF H



SpecificationsMounting optionsHIU Hydraulic Interface unit is design to be installed inside the building. The following indications must be respected: • Install the product in a vertical wall able to support the weight

in operating conditions• Hydraulic connections: primary circuit from the top, secon-

dary circuit to the apartment from the bottom (see hydraulic schema)

• Install the product in place protected from frost The HIU Hydraulic Interface unit can be installed in the following ways:• Basic Version: suitable for building were a dedicated space

has been reserved. (criteria for designing the space: space for maintenance avoid water leakage influence different critical components etc)

• Wall hanging: suitable for retrofitting wall hanging boilers in old buildings or for new buildings

• Template: in wall installation

Product options The HIU Hydraulic Interface unit product options are: • Installation options

• Basic• Wall hanging

• Heat exchanger:• Standard• High surface: for condensing boilers

• Additional water line: • With: An additional electronic water meter is installed to

allow counting the water consumption only for domestic hot water preparation. This option is usually used to mini-mize the water softener dimensions for the entire building.

• Without: an electronic water meter is installed to measure the total sanitary water consumption (cold and hot)

• Balancing valve option: with or without. • Insulation: with or without• Heatmeter type:

• Multijet EW447M1200 • Ultrasonic EW7730K1200

• Watermeter type:• Multijet EW743M1200 (always installed in combination

with EW447M1200) • Singlejet EW148P1201 (always installed in combination

with EW7730K1200)

• Template: must be order separately. Template is equipped with flushing pipes, ball valves and carton protection for the constructions work.

• Frame: must be ordered separately.

Fig. 2. Basic Version Fig. 3. Wall hanging

Fig. 4. In wall installation

Appartement 1 Appartement 2

Fig. 5. Spare space dimensions

Fig. 6. M-Bus configuration Fig. 7. M-Bus configuration

446

890

MJ

M-BUS

MJE MJE US

M-BUS

SJ SJ



Heat Exchanger OptionsStandard

Fig. 8. Primary circuit - Ultrasonic standard heat exchanger, kv = 1,81 m3/h

INLET TEMP. PRIMARY CIRCUIT

COLD SANITARY WATER FLOW

PRIMARY CIRCUIT FLOW OUTLET TEMP. PRIMARY CIRCUIT

HEAT POWER

75 °C 0,5 m3/h 0,45 m3/h 36 °C 20 kW

0,75 m3/h 0,78 m3/h 42 °C 30 kW

1,0 m3/h 1,25 m3/h 47 °C 41 kW

70 °C 0,5 m3/h 0,55 m3/h 38 °C 20 kW

0,75 m3/h 1,0 m3/h 43 °C 30 kW

0,95 m3/h 1,5 m3/h 48 °C 39 kW

65 °C 0,5 m3/h 0,7 m3/h 40 °C 20 kW

0,75 m3/h 1,3 m3/h 45 °C 30 kW

0,8 m3/h 1,5 m3/h 46 °C 32 kW

10 2 4 5 6 7 8 100kg/hFlow rate

9

0.025 0.050.0028 0.010 0.50l/sec

3 2 4 5 6 7 8 100093 2 4 5 63 7 8 100009 2

0.10 0.25 2.51.0

1000

100

23

45

67

89

1000

02

34

56

Pres

sure

loss

10Pam

bar



Fig. 9. Primary circuit - Mechanic standard heat exchanger, kv = 1,66 m3/h

Fig. 10. Heating circuit - ultrasonic and balancing valve version, kv = 2,82 m3/h

10 2 4 5 6 7 8 100kg/hFlow rate

9

0.025 0.050.0028 0.010 0.50l/sec

3 2 4 5 6 7 8 100093 2 4 5 63 7 8 100009 2

0.10 0.25 2.51.0

1000

100

23

45

67

89

1000

02

34

56

Pres

sure

loss

10Pam

bar

10 2 4 5 6 7 8 100kg/hFlow rate

9

0.025 0.050.0028 0.010 0.50l/sec

3 2 4 5 6 7 8 100093 2 4 5 63 7 8 100009 2

0.10 0.25 2.51.0

1000

100

23

45

67

89

1000

02

34

56

Pres

sure

loss

10Pam

bar



Fig. 11. Heating circuit - ultrasonic version, kv = 3.14 m3/h

Fig. 12. Heating circuit - mechanic version, kv = 2.54 m3/h

10 2 4 5 6 7 8 100kg/hFlow rate

9

0.025 0.050.0028 0.010 0.50l/sec

3 2 4 5 6 7 8 100093 2 4 5 63 7 8 100009 2

0.10 0.25 2.51.0

1000

100

23

45

67

89

1000

02

34

56

Pres

sure

loss

10Pam

bar

10 2 4 5 6 7 8 100kg/hFlow rate

9

0.025 0.050.0028 0.010 0.50l/sec

3 2 4 5 6 7 8 100093 2 4 5 63 7 8 100009 2

0.10 0.25 2.51.0

1000

100

23

45

67

89

1000

02

34

56

Pres

sure

loss

10Pam

bar



High Surface

Fig. 13. Primary circuit - ultrasonic large surface heat exchanger, kv = 1,92 m3/h

INLET TEMP. PRIMARY CIRCUIT

COLD SANITARY WATER FLOW

PRIMARY CIRCUIT FLOW

OUTLET TEMP. PRIMARY CIRCUIT

HEAT POWER

75 °C 0,6 m3/h 0,4 m3/h 18 °C 26 kW

0,9 m3/h 0,62 m3/h 20 °C 39,5 kW

1,14 m3/h 0,8 m3/h 21 °C 50 kW

70 °C 0,6 m3/h 0,45 m3/h 19 °C 26 kW

0,9 m3/h 0,7 m3/h 21 °C 39,5 kW

1,14 m3/h 0,92 m3/h 23 °C 50 kW

65 °C 0,6 m3/h 0,52 m3/h 21 °C 26 kW

0,9 m3/h 0,83 m3/h 24 °C 39,5 kW

1,14 m3/h 1,1 m3/h 25 °C 50 kW

10 2 4 5 6 7 8 100kg/hFlow rate

9

0.025 0.050.0028 0.010 0.50l/sec

3 2 4 5 6 7 8 100093 2 4 5 63 7 8 100009 2

0.10 0.25 2.51.0

1000

100

23

45

67

89

1000

02

34

56

Pres

sure

loss

10Pam

bar



Fig. 14. Primary circuit - mechanic high surface heat exchanger, kv-value 1.74 m3/h

Fig. 15. Mechainc balancing - kv-value 2.36 m3/h

10 2 4 5 6 7 8 100kg/hFlow rate

9

0.025 0.050.0028 0.010 0.50l/sec

3 2 4 5 6 7 8 100093 2 4 5 63 7 8 100009 2

0.10 0.25 2.51.0

1000

100

23

45

67

89

1000

02

34

56

Pres

sure

loss

10Pam

bar

10 2 4 5 6 7 8 100kg/hFlow rate

9

0.025 0.050.0028 0.010 0.50l/sec

3 2 4 5 6 7 8 100093 2 4 5 63 7 8 100009 2

0.10 0.25 2.51.0

1000

100

23

45

67

89

1000

02

34

56

Pres

sure

loss

10Pam

bar



Water line options

Fig. 16. Treated water line - ultrasonic and mechanical version, kv = 1,47 m3/h

Fig. 17. Secondary circuit - ultrasonic and mechanical version, kv = 1,24 m3/h

10 2 4 5 6 7 8 100kg/hFlow rate

9

0.025 0.050.0028 0.010 0.50l/sec

3 2 4 5 6 7 8 100093 2 4 5 63 7 8 100009 2

0.10 0.25 2.51.0

1000

100

23

45

67

89

1000

02

34

56

Pres

sure

loss

10Pam

bar

10 2 4 5 6 7 8 100kg/hFlow rate

9

0.025 0.050.0028 0.010 0.50l/sec

3 2 4 5 6 7 8 100093 2 4 5 63 7 8 100009 2

0.10 0.25 2.51.0

1000

100

23

45

67

89

1000

02

34

56

Pres

sure

loss

10Pam

bar



Fig. 18. Secondary circuit - ultrasonic and mechanical version, kv = 1,24 m3/h

10 2 4 5 6 7 8 100kg/hFlow rate

9

0.025 0.050.0028 0.010 0.50l/sec

3 2 4 5 6 7 8 100093 2 4 5 63 7 8 100009 2

0.10 0.25 2.51.0

1000

100

23

45

67

89

1000

02

34

56

Pres

sure

loss

10Pam

bar



Metering OptionsConfiguration 1: Mechanical heatmeter with multijet watermeters for warm and cold water: • Heatmeter: Honeywell EW447M1200 – see separate datasheet EW447-452 Mechanical Heatmeters• Watermeters: Honeywell EW743M1200 – see separate datasheet EW743 Series Potable Watermeters

Heat Meter Domestic Hot Water Meter Cold Water MeterHoneywell Os. Number EW447M1200 EW743M1200 EW743M1200

Type MultiJet MultiJet MultiJet

MID Approval MID (DE-07-MI004-PTB030) MID (DE-07-MI001-PTB008) MID (DE-07-MI001-PTB008)

MID Accuracy Class 2

Metereoloical Class - B B

Battery life time 12 years 10 years 10 years

Maximum flow rate (qs) 3 m3/h 3 m3/h 3 m3/h

Nominal flow rate (qp) 1,5 m3/h 1,5 m3/h 1,5 m3/h

Minimum flow rate (qi) 15 l/h 20 l/h 20 l/h

Starting flow rate 4 l/h 4 l/h 4 l/h

Δp at qp 243 mbar 243 mbar 243 mbar

Interfaces Optical ZVEI, M-BUS Optical ZVEI, M-BUS Optical ZVEI, M-BUS

Mounting position In any position In any position In any position

Adjustable reading date for billing YES YES YES

Measuring process direct electronic impeller scanning

direct electronic impeller scanning

direct electronic impeller scanning

Ambient operating temperature 0…55°C 0…55°C 0…55°C

Operating pressure PN16 PN10 PN10

Ambient class EN1434 class^ C - -Protection class IP54 IP54 IP54

Temperature sensor type Pt500 - -

Measuring cycle 32s - -

Min. temperature difference 3k - -

Starting difference temperature 0,25k - -

MJ

M-BUS

MJE MJE

qi Q2 qp qs-7-6-5-4-3-2-101234567

Flow rate [m3/h]

Erro

r [%

]

Q1 Q2 Q3 Q4-7-6-5-4-3-2-101234567

Flow rate [m3/h]

Erro

r [%

]



Configuration 2: ultrasonic heatmeter with singlejet watermeters for warm and cold water:• Heatmeter: Honeywell EW7730K1200 – see separate datasheet EW773 Series Ultrasonic Heatmeters• Watermeters: Honeywell EW148P1201 – see separate datasheet EW147/EW148 Potable Watermeters

Heat Meter Domestic Hot Water Meter Cold Water MeterHoneywell Os. Number EW7730K1200 EW148P1201 EW148P1201

Type Ultrasonic Single jet Single jet

MID Approval MID (DE-10-MI004-PTB013) - -

MID Accuracy Class 2

Metereoloical Class - A/B•H A/B•H

Battery life time 12 years - -

Maximum flow rate (qs) 3 m3/h 3 m3/h 3 m3/h

Nominal flow rate (qp) 1.5 m3/h 1.5 m3/h 1.5 m3/h

Minimum flow rate (qi) 6 l/h 30 l/h -horizontal 30 l/h -horizontal

Starting flow rat [l/h] 2.5 l/h 8 l/h - horizontal 8 l/h - horizontal

Δp at qp 75 mbar 190 mbar 190 mbar

Interfaces Optical ZVEI, M-BUS,. Radio Pulse output (10lt/pulse) Pulse output (10lt/pulse)

Mounting position In any position

Adjustable reading date for billing YES

Measuring process direct electronic impeller scanning

Ambient operating temperature 0…55°C

Operating pressure PN16 PN10 PN10

Ambient class Class E1 + M1

Protection class IP54 IP55 IP56

Temperature sensor type Pt100 - -

Measuring cycle 32s - -

Min. temperature difference 3k - -

Starting differnce temperature 0.125k - -

US

M-BUS

SJ SJ

-7-6-5-4-3-2-101234567

QminB QtB Qn Qmax-7-6-5-4-3-2-101234567

Flow rate [m3/h]

Erro

r [%

]



M-Bus network• Various M-Bus accessories available• Hydroset software: the basic version of the reading software

can be downloaded at the following address: http://prod-ucts.ecc.emea.honeywell.com/europe/….

• M-Bus cable: in most cases a standard telephone cable is used which is a twisted pair wire with a diameter of 0.75mm2 each (2 x 0.75mm2). This type of cable should be used for the main wiring. For wiring from the main wiring to the meters (last 1…5m to the meter) a cable with smaller diameter can be used

Template description

Electrical Specifications• Mains connection: min. 3 x 1.5mm2

• Room thermostat: 2 x 0.75mm2

• M-Bus connection: 2 x 0.75mm2

OS-No.Template box for LDHW Cold Boiler model without treated water line

HIU01

Template box for LDHW Cold Boiler model with treated water line

HIU02

1 Bypass pipe (temporary)2 Isolation valve3 Metal temporaty lida Outlet from centralized systemb Return to centralized systemc Hot sanitary water inletd Cold sanitary water inlete Heating outlet to housing unitf Heating return from housing unitg Hot sanitary water outleth Cold sanitary water outlet

927 88

9,4

161469

429

46,5 60 215 55 52,5

38

1

2

2

894

446

3

3

a b c d

e f g h

OS-No.Frame and Door for Hybo FD00

Frame and Door for Hybo-Insulated FD00I

1 Door2 Frame3 Lock

Fig. 19. Wiring scheme for 230V option

2

3

933

480,5 15

933

878

425,5

1

LV 230 50Hz

T.A.M

-BUS

N



Dimensions

NOTE: Dimensions of standard and special version are identical

Ordering InformationTable 1. Selection chart – standard version to replace traditional boilers

Fig. 20. In wall unit dimensions Fig. 21. On wall unit dimensions Fig. 22. Cabinet dimensions

Shape Water line BV Insulation Heatmeter type OS-No.Basic Wallhung Multi Jet Ultrasonic

• • • HIU1YBN0MS• • • HIU1YBN0US• • • • HIU1YBN1MS• • • • HIU1YBN1US• • • • HIU1YBS0MS• • • • HIU1YBS0US• • • • • HIU1YBS1MS• • • • • HIU1YBS1US• • HIU1NBN0MS• • HIU1NBN0US• • • HIU1NBN1MS• • • HIU1NBN1US• • • HIU1NBS0MS• • • HIU1NBS0US• • • • HIU1NBS1MS• • • • HIU1NBS1US

• • • HIU2YBN0MS• • • HIU2YBN0US• • • • HIU2YBN1MS• • • • HIU2YBN1US• • • • HIU2YBS0MS• • • • HIU2YBS0US• • • • • HIU2YBS1MS• • • • • HIU2YBS1US• • HIU2NBN0MS• • HIU2NBN0US• • • HIU2NBN1MS• • • HIU2NBN1US• • • HIU2NBS0MS• • • HIU2NBS0US• • • • HIU2NBS1MS• • • • HIU2NBS1US



Table 2. Selection chart – version with high surface heat exchanger to replace condensing boilers

Shape Water BV Insulation Heatmeter type OS-No.Basic Wallhung Multi Jet Ultrasonic

• • • HIU1YBN0MC• • • HIU1YBN0UC• • • • HIU1YBN1MC• • • • HIU1YBN1UC• • • • HIU1YBS0MC• • • • HIU1YBS0UC• • • • • HIU1YBS1MC• • • • • HIU1YBS1UC• • HIU1NBN0MC• • HIU1NBN0UC• • • HIU1NBN1MC• • • HIU1NBN1UC• • • HIU1NBS0MC• • • HIU1NBS0UC• • • • HIU1NBS1MC• • • • HIU1NBS1UC

• • • HIU2YBN0MC• • • HIU2YBN0UC• • • • HIU2YBN1MC• • • • HIU2YBN1UC• • • • HIU2YBS0MC• • • • HIU2YBS0UC• • • • • HIU2YBS1MC• • • • • HIU2YBS1UC• • HIU2NBN0MC• • HIU2NBN0UC• • • HIU2NBN1MC• • • HIU2NBN1UC• • • HIU2NBS0MC• • • HIU2NBS0UC• • • • HIU2NBS1MC• • • • HIU2NBS1UC



Accessories

Heat meter accessories

Honeywell wireless individual room control system evohome including antenna BDR91 and table support ATF100

ATP921G1034

Honeywell thermostat

Thera-4 Classic T3001W0

Thera-4 Design T2001W0T2021W0

Thera-200 Design T4021T4221T4321T4111

Bluetooth optohead EWA3001799

Hydro-Center 25 SolarM-Bus master for max. 25 M-Bus meters, built in data logger with 2 MByte memory, for 12V solar power supply

EW535M0055

Hydro-Port PulseConverter for metering devices with pulse output to M-Bus, 2 pulse inputs

EW535M0056

Hydro-Port Analog Converter for metering devices, with analogue 0(4)..20 mA interface to M-Bus, 2 analogue inputs, 1 analogue output, 1 input for PT tempera-ture probe

EW535M0057

Hydro-Port ControlM-BUS relay module with digital state inputs. 2 bistable relay outputs and 2 digital state inputs

EW535M0059

Hydro-Center 25 M-Bus master for max. 25 M-Bus meters

EW535M0093

Hydro-Center 25 MemoryM-Bus master for max. 25 M-Bus meters, built-in data logger with 2 MByte memory

EW535M0094

M-Bus Receiver 868MHzHydro-Radio 868 receiver for stationary installation with Izar-Center 60/120/250 interface

EW535M0131

GSM Modem for Hydro-CenterGSM modem for Hydro-Center incl. accessories

EW535M0147

Izar-Center 60M-Bus master for max. 60 M-Bus meters

EW535M5777


EW535M5778


EW535M5780

Izar-Center 60Memory M-Bus master for max. 60 M-Bus meters, data logger with 256 MByte memory

EW535M5781


EW535M5782


EW535M5783

GSM Modem for Izar-Center 60/120/250GSM/GPRS modem for Izar-Center incl. accessories

EW535M5787


Environmental and Combustion ControlsHoneywell GmbHHardhofweg74821 Mosbach, GermanyPhone: +49 (6261) 810Fax: +49 (6261) 81393www.honeywell.com

EN0H-2608GE25 R0311March 2011© 2011 Honeywell International Inc.Subject to change without noticeManufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Z.A. La Pièce 16, 1180 Rolle, Switzerland or its Authorized Representative.

HyBO-HIU Hydraulic Interface Unit - Honeywell Home€¦ · Honeywell y Subject to change...

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