McAlpine Internal / External Dergo Air Admittance VP100E - 39004142

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McAlpine Internal / External Dergo Air Admittance VP100E

Air admittance valve suitable for internal and external use with 4 inch / 110mm and 3 inch / 83mm soil pipe

For 4" pipe the valve will fit internally in to the pipe with rubber fins.
For 3" pipe remove the rubber fins and insert in to socket / fitting

Has an air flow capacity of 40 l/s

Incorporates a stainless steel mesh in the air intake

Must be installed in a vertical position

Please note that all prices include 20% VAT
£25.66

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