Flush King

Catalog Item # 20522

Flush King Reverse RV flush valve provides you with the quickest and most effective way to fill, rinse and remove residue from your black or gray holding tanks.

Technical Specifications

1.88 lbs.

Camper's Choice Rating

Reviewer rating of 5 stars based on 168 reviews (5 Based on 168 Reviews)

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  • Easy to use (5)
  • Clear to see (3)
  • Cleans tanks very well (2)
  • Have to take off and store (1)
  • There Are No Cons (1)
  • Water hose connection does not point toward valve. (1)

Works Great

by Robert Blanchard – August 12, 2005
5 out of 5 stars

I used it the first time today and it definately works as advertised. No more hose through the bathroom window. Three minutes to f


by Vern Nelson – August 05, 2005
5 out of 5 stars

This Works Great, Our trailer is New & it was our 3rd time out with it & I used this. I could not believe what was left in

You won't be disappointed

by Robert Protzman – April 25, 2007
5 out of 5 stars

Flush King takes the guess work out of knowing if your tanks are really clean. Compared to using a wand this is a no brainer.

Everybody Needs One

by Walter McPhearson – May 29, 2003
5 out of 5 stars

This is absolutely great; gets the 'hidden extras' out of your black tank; very easy and convenient to use on all tanks.

Great Product

by Jeff Williamson – August 18, 2009
5 out of 5 stars

We have a 2001 Cameo by Carriage. We had a clog in the gray water tank. the Flush King worked as advertised. The clog is gone and

The gate valve can rotate around the translucent elbow. Here is a product demonstration for the Flush King.
by Camping World – January 18, 2016
This uses bayonet style fittings to connect into the line.
by Camping World – June 11, 2013

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