Zehnder S-ZPK 40 A 240V Auto Submersible Pump


Zehnder S-ZPK Submersible Pumps are suitable for


  • for use behind water softening systems and for calorific value condensate
  • high-quality, silicon carbide mechanical seal, stainless steel motor housing (1.4404), stainless steelmotor shaft
  • motor winding with thermal winding protection
  • mechanical seal and additional shaft seal
  • horizontal pressure outlet 1 ¼" MPT
  • version 'A' with mounted float switch
  • version 'KS' with mounted compact float switch (fits into pipes with an inner diameter larger than 250 mm)
  • protection grade IP 68 – fully submersible
Typical Applications
  • drainage of slightly acidic condensate, aggressive or salty media (max. 15% salt content)
  • lifting of domestic faecal-free waste water (operation temperature 40°C / short-term up to 90°C)
Scope of delivery
  • pump with 10 m power cable and plug
  • 90° hose connecting bend (ZPK 30: DN 25; ZPK 35 and ZPK 40: DN 32)
Control Voltage:
Discharge Size:
Zehnder Pumps
Max Flow:
10 M3/HOUR
Max Head:
Motor KW P1:
Motor kW P2:

Zehnder Company Brochure (Company_brochure.pdf, 701 Kb) [Download]

Zehnder General Catalogue (Zehnder_General_catalogue.pdf, 8,068 Kb) [Download]

Zehnder Product Overview (Product_Overview.pdf, 5,620 Kb) [Download]

Zehnder S-ZPK 40 A Data Sheet (szpk40a.pdf, 477 Kb) [Download]

Zehnder S-ZPK Instructions (zp_zpks__zpk_Instructions.pdf, 655 Kb) [Download]

For next day delivery, please ensure your order is placed before 2pm Monday to Friday, orders received after 2pm Friday will be processed the next working day as we are closed at the weekend. For any orders after this time that still require next day delivery, please contact the office on 01977 602200.