Dometic Vacuflush - VG4 Vacuum Generator Maintenance

Wow! Best how vacuflush service video. Thank you

I get no sound

great info.

Wow, just like my setup. Not! You must have a huge boat to have so much room to work in!

Thanks for posting this. Pretty close to my set up. This is going to be a HUGE help.. Thanks again..

Excellent how to video. Clear concise and correct. Thanks!

Thanks. The boat maintenance yard says they only install new ones, rebuild is up to me. This will really help.

No sound, which helps if the narrator doesn't talk too much!! Still a good video. I had the same exact setup and I never would have located the two duckbill valves in the under the pump. Thanks for making the video. THis unit takes the 2 inch duckbill valves..

Nice explanation. About to do the same job. Thanks

Awesome, thanks. I was wondering where those last 2 duckbill valves went!

Best video I’ve used as my guide it still did it work until I ran a bead of silicone around the outside o the two tank seam half ..,Frank

This was a huge help, but for gosh's sake clean the tank before your install O rings!

Now I’m sure that I will not buy it , to much maintenance, just go with the old Jabsco, 12 volt

I have a slightly different configuration and pump model, but it is a Dometic. I have tried a rebuild kit and keep getting water building up in the bellows chamber, which slowly fills and over flows outside of the unit. Any suggestions on what I am missing ? Thanks for any tips!

Excellent video and information! I assume no sound is it's impossible to talk while smelling the smells you smelt? Thx!

my original bellow fit tight in the cylinder. the new one has a gap. normal? i would think it would need to be tight in the cylinder to create vacuum

Guaranteed way to have a vacuum leak at the pump top/bellows O ring seal. The leak he had was from that seal. The tank seal NEVER leaks unless it is disturbed by disassembly. Also, when reinstalling the hose fittings, you tighten by hand until they stop, then 1/4 turn. Any more than that and you risk stripping either the nut or the tank. This is a perfect video of how to cause more problems than you fix.

I've been a service tech and dealer for VacuFlush for over 20 years.

Great video

Any ideas on why a unit won't pull a vacuum even after doing all this?

Thank you for this EXCELLENT video on disassembly and rebuilding the Dometic VG4 Vacuum Generator.

Real good show of how this work should be carried out thank you