Manifold air vend and drain valve set

Optimum series air vent valve set. Includes drain/filling ball valves for underfloor heating manifold. Also manual air vent valves.
40,41 €
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Underfloor heating manifold set. Suits with Optimum series manifolds, that doesn't air vent valves included.

Set includes

  • Rubber gasket 1"
  • Drain/fill ball valves
  • Manual air vent valves