PAW Hydronic Heating Pump Station K32-1”

PAW Hydronic Heating Pump Station K32-1”


PAW Hydronic Heating Pump Station K32-1” Plug and Play Hydronic heating and cooling solutions with PAW Modular Zone Pump Stations. Requires Electronic Mixing Valve With German Engineered PAW modular pump stations you can design heat Read More
  • Shipping Weight: 10kgs
  • Manufactured by: PAW
2 Units in Stock

PAW Hydronic Heating Pump Station K32-1”

K32 Pump Station

Plug and Play Hydronic heating and cooling solutions with PAW Modular Zone Pump Stations.

Requires Electronic Mixing Valve

Modern hydronic heating systems

With German Engineered PAW modular pump stations you can design heating system quickly while delivering the highest performance and quality standards in the industry. The PAW Zone pump module quickly connects to a centralized distribution manifold allowing you to share the heat source to multiple zones. Now you can easily design a complete home hydronic system that can do radiant floor heating, domestic hot water, radiators and fan coils, as well as pools and hot tubs. All with one single boiler connection.

K32 Pump StationHeating Distribution Diagram


Pump Station

The complete integrated pump station saves time on installation, allows for pump servicing and seamlessly integrates with the PAW Distribution Manifold for parallel installation of multiple heating circuits. 1” FPT allows you to attach to PEX or Copper pipe or use our Aurora Flex stainless steel piping for solder free connections. Accurate thermostats and brass ball valves add to the features of these pump stations.

PAW pump stations come in a variety of sizes and can accommodate systems sizing up to 34 Kw. The Grundfos variable speed pump is available in different sizes to match the flow requirements for each zone. By adding multiple pump stations in parallel to the Modular Distribution Manual you can easily achieve a complete home heating solution for every zone requirement.


  •  Full port ball valves for isolating the system
  •  ¾”-1 ¼” compression fittings
  •  Fully insulated housing made of EPP elastic foam
  •  100% insulation of fitting while allow air for pump to cool
  •  Flow check valve in return pipe prevents anti siphoning when pump is off
  •  Right or left supply are interchangeable to suit existing design
  •  100% brass components except for pump
  •  Integrate accurate temperature gauges
  •  Pump isolation allows pump to be changed without draining system


Modular Distribution Manifold

The system relies on Modular Distribution Manifolds that allows pump stations to be hooked up in parallel to share a common heating supply’s such as a boiler, solar thermal or a heat pump. These manifolds come in 2,3,4,5 loop configurations and can be expanded past that. There manifolds share the supply and return manifolds from the heating sources on the bottom.


Heating Distribution Manifold for outputs up to 80 Kw per boiler connection

  •  Completely made of brass
  •  Completely pre-assembled
  •  Completely insulated with high temp EPP foam
  •  Extremely low resistance free flow
  •  Up to 5 pre-assembled manifolds modules available
  •  Multiple connection of heat sources such as gas boiler or wood fired boiler and Heat Pumps
  •  Comes with wall bracket







The K32 with 1” NPT connections is used for low temperature heating zones that require lower output temperatures such as hydronic floor heating. The built in electronic mixing valve is used for Heating Curves that optimize the system’s performance. Using precise temperature control, the electronic mixing valve receives signals to open and close depending on the heating curve, supply temperatures and outdoor temperatures. In this way your hydronic heating zones always stay constant with no fluctuations. The mixing valve diverters’ colder radiant return water with hotter supply water to give your system the exact temperature required.



  • 1” NPT female connections
  • Electronic Mixing Valve can also be adjusted manually
  • Large ball valves handles
  • Fully insulated enclosure using EPP
  • Check Valve built into the return piping
  • Reversible supply and return on right or left side (field changeable)
  • All brass construction
  • Metal temperature gauges
  • Pump isolation for quick system repair
  • Includes Grundfos ALPHA 25-55 U



Pressure Drop K31 pump charactersistics


Technical Specifications:




1"- DN 25

Materials Fittings Brass
  Gaskets EPDM/NBR
  Insulation EPP
Technical Data Max. Pressure 116 psi/8 bar
  Max. Temprature 230 'F/110 'C
  CV value 4.4
Dimensions Zone module inlet 11/2"male
  Zone module outlet 1" NPT F
  Center distance 125 mm/421/32"
  Length 368 mm/14.5"
  Width insulation 250 mm/927/32"
  Height insulation 383 mm/15"
Recommended application High/floating temperature zone control up to 85.5 kBTU/h/25.0 kW at ?T = 18 'F/10 K  


Pump StationPump Station


Return Policy

We want you to be 100% satisfied with your purchase, if you are not, ship it back to us in the original packaging condition and we will refund your purchase less a 10% restocking fee, provided the equipment is received in good condition. Refund offer valid for 30 days from receipt of product.


We feel that being honest is a much better policy to win your trust rather than trying to lure you with nearly impossible statements such as lifetime warranty. Nothing lasts forever! Our warranty policy is simple; we offer a 3 year warranty on everything we sell and 10 years on our collectors. With this warranty you will get NO hassle next business day replacement (if shipping service and inventory permits). However, as a valued customer you will get technical support through the lifetime ownership of your product. Our Collectors do carry longer warranties 10 years from the manufacture. The warranty cover failures that occur during normal operational conditions or manufactures defects. It does not cover failure due to inappropriate operation such as freezing or over heat. Damage caused by vandalism, storms, floods etc. Your houshold insurance should be modified to cover the system from such situations.

We accept PayPal and Credit card (Visa or Mastercard). If you are ordering multiple units and part, please call us to see if we can save you shipping cost for multiple item orders.


For complete solar kits please allow 2-3 weeks delivery. These kits are shipped via our preferred freight forwarder company and where possible we will schedule residential tailgate delivery (curbside). Heaters and accessories are usually in stock unless indicated otherwise. We do have expedited shipping services available for an additional fee. Please call us if you need a rush order. Once your order has been shipped you will be contacted via email and a tracking number will be provided.

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This product was added to our catalog on Friday 02 October, 2020.