• Urban Water Tank Pumps

          These pumps are suitable for our Urban water tank range only. For rural tank pumps, please contact us for advice.

  • Pump Stations
Kingspan EvoMKIV Cutaway

Evolution MKIV Pump System


*NOTE: Please contact us to order this system as it is only for purchase with a new water tank or replacement of an existing Evolution 3 system. Suitable for Urban Steel Water Tanks Only


• Comes with a Claytech submersible booster pump and Integrated Acquasaver
• The small, lightweight unit fits neatly on top of the tank instead of the wall with a powerful and reliable submersible pump inside the rainwater tank
• Automatically switches to mains water when there is no water present in the tank or during electrical failure
• The design standard includes backflow protection
• Integrated float switch to prevent pump from running dry at low water levels
• 5 years Pump Warranty

SKU EVO MKIV 45A Categories , , Tag
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Max. Flow (LPM)


Max. H (M)


Taps (Average 15L / min)


Mains Backup


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  • Suitable for multi-story homes (up to three stories) for rainwater supply to toilets and laundry with mains water backup.

  • Suitable for rainwater connections to toilets, laundry, and external taps with mains water back up.

  • Recommended for tank installs adjacent to house

  • BASIX compliant


3 story house rainwater supply with mains water backup.


Indoor – Cistern, Laundry, Taps
Outdoor – External Taps




  • 5 years warranty on pump, 2 years warranty of Acquasaver

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