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Watts Industries Deutschland GmbH

Godramsteiner Hauptstr. 167 • 76829 Landau • Deutschland

Tel. +49 6341 9656 0 • Fax +49 6341 9656 560

[email protected] • www.wattswater.de

© 2021 Watts

The descriptions and photographs contained in this product specification sheet are supplied by way of information only and are not binding. 

Watts Industries reserves the right to carry out any technical and design improvements to its products without prior notice.” 

Warranty: All sales and contracts for sale are expressly conditioned on the buyer’s assent to Watts terms and conditions found on its website at www.wattswater.eu/gtc/ 

Watts hereby objects to any term, different from or additional to Watts terms, contained in any buyer communication in any form, unless agreed to in a writing signed by an officer of Watts..

HK-HKM-25-32-IM-DE-W-UK-03-2021-Rev.3 | Part no. 10025988

9  Disposal

!

!

 

WARNING

Potential for contamination of the environment

and groundwater from improper disposal!

The legal regulations and guidelines in the country of oper-
ation must be observed when disposing of components and 
operating materials.

1.  Ensure that all assemblies and components are 

de-energized.

2.  Disassemble the  pump group properly or commission a 

specialist company to do so.

3.  Sort the assemblies and component parts into recyclable 

materials, hazardous substances and operating materials.

4.  Dispose of the assemblies and components in accordance 

with local laws and regulations or take them to be recycled.  

9.1  Return to the manufacturer

Get in contact with the manufacturer if you would like to return 
the pump group or parts of it.

9.2    Notification of administrative bodies and 

the manufacturer

Inform the manufacturer of decommissioning and disposal of 
the pump group for statistical purposes.

10  Warranty

WATTS products are tested extensively. WATTS therefore 
guarantees only to replace or repair components of the prod-
ucts supplied free of charge – at the sole discretion of WATTS 
– if, in the opinion of WATTS, they exhibit verifiable manufac-
turing faults. Warranty claims due to defects or defects of title 
may be asserted within one (1) year of delivery/transfer of risk. 
Excluded from the warranty is damage attributable to normal 
product use or friction and to damage resulting from modi-
fications or unauthorized repairs to the products, for which 
WATTS rejects all claims for compensation (direct or indi-
rect). (For more detailed information, please refer to our web-
site.) In all cases, supply is subject to the General Terms and 
Conditions, which can be found on 

www.wattswater.eu/gtc/

.

Summary of Contents for HK25 Series

Page 1: ...WattsWater eu Series HK HKM 25 32 Pump groups for unmixed and mixed heating circuits DN 25 and DN 32 Installation and Operating Manual translated from the original operating manual...

Page 2: ...t conformity A Declaration of Conformity according to the Machinery Directive 2006 42 EC has been issued for this pump group product 1 3 Product features stable mounting bracket including mounting har...

Page 3: ...for mounting on a wall The pump group is not intended to be operated by people including children with physical sensory or mental disabilities nor by people with insufficient experience or previous k...

Page 4: ...Axis center distance 125 mm Sealing surfaces distance 342 5 mm Connections to pipe network Heating circuit top HK25 HK25 KH HKM25 11 2 male connection flat sealaing Fitting 11 2 union nut x 1 female c...

Page 5: ...2 Pressure loss mbar 1 10 100 1 000 100 1 000 10 000 100 000 Flow rate l h HK25 HK25 KH HK32 Fig 4 1 Pressure loss curves HK25 HK25 KH and HK32 Pump mixing valve groups HKM25 HKM32 Pressure loss mbar...

Page 6: ...5 12 5 300 40 130 130 A A 125 G1 1 2 G1 1 2 15 342 5 12 5 300 40 HK25 HK32 HKM25 HKM32 A 1 F 11 4 F A 1 F 11 4 F Fig 5 1 Dimensions HK25 and HK32 Fig 5 2 Dimensions HKM25 and HKM32 125 G11 2 130 130 R...

Page 7: ...KH 1 Ball valve with gravity brake 1 supply 2 Ball valve return 3 Circulation pump 4 Wall bracket 5 Distance pipe 6 Additional ball valve only HK25 KH 7 Bypass connection pipe only HKM 8 3 way mixer...

Page 8: ...55 Nm 11 4 fittings 90 Nm 11 2 fittings 130 Nm 2 fittings 190 Nm Requirement The valves are pre installed at the factory but must be checked for leaks during commissioning pressure test 1 Dismantle th...

Page 9: ...er supply and secure it against being switched on again 2 Loosen the nuts on the pump bottom connection 3 Turn the pump and the flow ball valve by 180 degrees 4 Rotate the nut on the return ball valve...

Page 10: ...tools materials and other equipment used from the working area Vent the system 8 2 Replacement of wear parts Please note that the pump group contains parts that for technical reasons are subject to we...

Page 11: ...y mixer HKM 1 Replace damaged or defective seals if necessary 2 Install the 3 way mixer M and tighten the union nuts 3 Mount the motor S 4 Slowly open the ball valves by turning the thermometer handle...

Page 12: ...pump group properly or commission a specialist company to do so 3 Sort the assemblies and component parts into recyclable materials hazardous substances and operating materials 4 Dispose of the assemb...

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