Grundfos 15-65 B Solar Hot Water Circulating Pump (replaces the Viking ciruclating pump - suits Saxon, Solar Power, SolarLand systems that use the Saxon closed loop tank)


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Please note - This pump is no longer available the Wilo Varios Pico 15/1-7 or the Grundfos 20-60 with Unions are the replacement for closed loop systems.

Grundfos 15-65 B Solar Hot Water Circulating Pump for potable water closed loop and open loop systems
Grundfos 15-65B solar hot water circulating pump has a slightly higher head capacity then the Grundfos 15-20 CIL 2  solar hot water circulating pump. The Grundfos 15-65 B circulating pump is used in the Saxon Sp4000 closed loop solar hot water system.

This pump can be used with similar solar hot water systems made by Solar Power and Solar Land, that made use of the Saxon tank.

Pump comes with 2 x 25mm loose nut x 1/2 compression with copper olive pump unions.


The Grundfos 15 - 65 B is new, comes with the original packaging. It is subject to limited manufacturer’s warranty and consumer guarantees as per the Australian Consumer Law.

This product is required to be installed by a licensed trades person as per applicable legislation, and be clear that failure to do so breaches manufacturer’s warranty and may result in injury and/or death, may jeopardise applicable insurance policies or may be in breach of the relevant law. Solar Hot Water Parts recommend that Buyers check with their local authorities in regards to any specific regulations regarding licensing requirements for Plumbing or Electrical work.

Further information for Plumbing & Electrical licensing is available at:

State or Territory Plumbing Licensing Information Electrical Licensing

For returns please contact us by email first and refer to our returns policy Grundfos items bought online from Solar Hot Water Parts can not be returned directly to Grundfos and must be returned to:

Solar Hot Water Parts

PO BOX 5257,

Maroochydore BC Queensland 4558

+61 7 53578135

For all question and technical support on this product please contact us by email

*All images used in this listing are for illustrative purposes only



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