Vaillant cascade flue non return valve kit

Product code: 120475

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Product Description

This Vaillant non-return valve is a vital spare part for boiler installations. The shorter 110mm motorised non-return valve flap is easily installed on the top of a boiler before connecting a flue header.

Product Features

  • Motorised non-return flap valve kit has a lower profile and can be specified in place of the mechanical flap valve for those plant rooms with restricted height
  • These should not be mixed within an array

Web Pack Includes

VR 40 multifunctional 2-in-7 module