Replace the grommet that connects your RV's 3" drain pipe or 1/2" vent pipe to your black-water tank with this durable rubber grommet.

For use with polyethylene holding tanks.
Durable rubber material resists rot and wear
Made in the USA

After installation of grommet into tank hole, drain pipe goes inside tank grommet and is sealed.




1 Comments

Roger Leonard

Date 8/10/2022

Great video. Could you give us a part number of the Sika adhesive you used? Thanks,.

Blog

Date 8/10/2022 12:53:42 PM

The person who made this video is on Youtube, https://www.youtube.com/c/MRRVTECH, this is not our video only linked for educational purposes. Question: "What was the sealant you were using for the tank flush flange? Also, what sealant for the stool & vent ports?" Their Reply: "Sikaflex 221"

Add Comment

TOP