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Common Vent Non Return Valve kit for NRC66/ NRC71/ NRC98/ NRC111/ NCC199/ NRCP982/ NRCP1112

NORITZ non-return valve required for each unit when common venting models EZ98DV, EZ111DV and NCC199CDV.

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  • Features


  • Polypropylene Venting
  • Prevents back flow of flue gases through unit when not running
  • 2 valves- 1 valve opens if low pressure or 2 valves open when its high pressure.
  • Trap flushes condensate when unit not running
  • Warranty: 1 year