Montana Owners Club - Keystone Montana 5th Wheel Forum - View Single Post

nosticks · 08-17-2014, 06:08 AM

It is an air admittance valve. They are often used where a roof vent can't be used. It should have a flapper inside and the ones I've seen can be taken off and cleaned.

08-17-2014, 06:08 AM	#1
nosticks Montana Master Join Date: May 2010 Location: Tampa Posts: 532 M.O.C. #10378	It is an air admittance valve. They are often used where a roof vent can't be used. It should have a flapper inside and the ones I've seen can be taken off and cleaned.