InlandRV sent me two roof vent gaskets and screens. When I spoke with them today they were surprised I only had one vent. Just climbed off of ladder to confirm that there is indeed just on visible sewer vent. See the three light/vent covers, the bathroom exhaust, refrigerator vent, the A/C cover, the skyliner antenna and the one sewer roof vent. This is a rear bath '78 Ambassador. Am I confused? Thanks. Jack
On my 75 TW there are two. One is in the back and is the vent line for both tanks and the other is just aft of the kitchen sink. It acts as a vacuum break and prevents water from being pulled out of the p-trap under the sink.
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Richard Wally Byam Airstream Club 7513
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