Kensa Compact heat pumps have inbuilt water pumps for both the ground and the heating distribution circuits. The water pump for the heating distribution circuit is sufficient to provide enough flow and pressure for underfloor distribution systems comprising of a single manifold. Additional pumps should not be required.

Buffer tanks are not required if 25% of the underfloor zones are left hydraulically open. These open zones are generally areas such as halls and bathrooms.

Thermal mixing valves should be removed from the underfloor manifold if fitted.

Kensa would always recommend fitting an expansion vessel on the heating distribution circuit

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