• Urban Water Tank Pumps

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

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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