Pump groups DN20
Compact FlowBox DN20 pump groups for radiator heating systems (HK20, HK20-KH) and pump-mixer groups for underfloor heating systems (HKM20, HKF20, HKFC20).
- Compact design (DN20), footprint approx. DIN A4
- Quick wall mounting with just one screw
- Gravity check valve to prevent unwanted circulation
- 3-part EPP insulation concept, compliant with the German Building Energy Act (GEG), for reduced heat loss
- Cable routing selectable on the left or right – for easy and safe installation
- Supply and return lines can be swapped thanks to the flexible mixing valve
- All connections with G1" external thread, flat sealing
- Pump length: 130 mm
VB20 boiler manifolds enable the connection of 2 or 3 pump groups. Suitable hydraulic separators can be found here: Hydraulic separators
Pump group HK20 for direct heating circuits
View productsPump group HK20-KH with additional shut-off valve
View productsPump group with mixing valve HKM20
View productsPump group with thermostatic mixer HKF20
View productsPump group with mixing valve and electr. temperature control HKFC20
View productsBoiler manifold VB20 for 2-3 pump groups
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