# of Air Admittance Valves 33IK
I have a 2016 33IK Silverback. I am in the process of replacing all the air admittance valves. I know there is one under the bathroom and kitchen sinks. My question, is there one somewhere in the line that runs from the washer plumbing and the shower drain?
I know the shower has a special type of trap so it probably does not need an AAV but the washer seem that it might. Anyone know?
Just an observation, I removed the 2 from under the sinks and they rattle very very easily when lightly shook. The new units do not. I guess all those miles over bumpy roads have taken a toll on the springs.
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2016 Siverback 33IK, Towed 50K+ mile
2018 Ford F-350 Lariat 6.7L V8 Diesel 4WD Crew Cab
"If you don't know where you are going, any road will get you there."
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