Black Tank lever

[Lou Placentia]

When you pull the black tank lever to empty is it normal to get a small amount of seepage from the pipe to valve coupling,the one immediately after the open / close valve?

I have changed the pipe coupling but still get a slight leak.

Thank You,

Lou

[NewellCrazy]

Hello Lou,

If it's leaking from the bayonet fitting on the sewer hose, then just change the bayonet fitting. The o-ring is probably worn out. If it's leaking from a cemented joint, then the repair is a bit more difficult. If it's leaking from the valve assembly, then you can replace the valve.

[Lou Placentia]

Thanks for your reply, is the 'O' ring on the coupling at the start of the waste pipe or on the black plastic valve?

I replaced the pipe and coupling just a week or two ago, the 'leak' isn't severe and appears to be worse if the flow along the pipe gets restricted by a bend.