Forum Discussion
Old-Biscuit
Oct 09, 2015Explorer III
Oatey AAV
Inexpensive, uses a rubber diaphragm that is attached with a rubber tang
Negative pressure pulls diaphragm down....tang pulls it back closed.
Tang stretches....no positive closure

Studor
More expensive, uses a spring for closure. More positive...longer lasting

Inexpensive, uses a rubber diaphragm that is attached with a rubber tang
Negative pressure pulls diaphragm down....tang pulls it back closed.
Tang stretches....no positive closure

Studor
More expensive, uses a spring for closure. More positive...longer lasting

About RV Tips & Tricks
Looking for advice before your next adventure? Look no further.25,115 PostsLatest Activity: Feb 27, 2025