Adapter is leaking

I use quick connects on all my water hoses for many years. Quick and easy. One time investment and occasional washer replacement.

For the coach I use 90° connector from RVH2O:
http://www.rvh2o.com/catpage/standard.html

They also have stainless steel male quick connects:
http://www.rvh2o.com/catpage/stainlessnipple.html

Their female connectors are top quality:
http://www.rvh2o.com/catpage/kwikdisconnector.html