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Discuss What external Air admittance valve would you recommend? in the USA area at PlumbersForums.net
hi, Yes I was orginally thinking a cowl but there are windows to the left and right of the stack and the cowl would have to go high over the eaves which would look unsightlyIf its outside i would vent it properly with a cowl not a aav.
Thanks very much, appreciate the adviceIt looks unsightly to you because you know how it looks now.
Anyone seeing it in future wouldn't notice it.
Always open vent over aav.
(In some circumstances it has to be open vent - Check bldg regs)
Reply to What external Air admittance valve would you recommend? in the USA area at PlumbersForums.net
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