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manifold isolation valves

Manifold S3 Isolation Valves

The WHS-M-S3-VALVES kit allow for the manifold on your underfloor heating system to easily be isolated from the primary circuit.

Key Benefits



Connects the manifold to either 1” G Male or 22mm copper and plastic primary supplies


Easy mounting

1” G Union allows for the valves to be correctly orientated every time


Colour Coded

The red and blue valve handles allow for easy indication of the flow and return

manifold isolation valves

Colour-Coded for Ease of Use

The kit has been specified to fit the WHS-M-S3-XX manifold range when equipped either with or with out the WHS-MS3-MIX mixing unit. With the WHS-M-S3-VALVES isolated, the manifold can be filled, drained, pressure tested etc, without affting the primary circuit.

Each of the valves is supplied in three pieces for ease of use and versatility. The 1” union screws into the manifold or mixing unit, allowing the red or blue valve handles to be correctly orientated and the optional 22mm adaptor allows the valves to connect to either 1” G Male or 22mm primary supplies.

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Warmup offers an extensive range of electric and water floor systems compatible with all floor types, rooms and projects.

Electric Systems

  • ✓ Ideal for zones less than 25m²
  • ✓ Ideal for single rooms
  • ✓ Does not alter floor levels
  • ✓ Great for renovations

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Water Systems

  • ✓ Ideal for larger zones over 25m²
  • ✓ Rapid auto heat loss calculations
  • ✓ Compatible with existing central heating systems
  • ✓ Great for new-builds

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For areas of 24m2 or more, use our full quoting system
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