crwdns2893792:0crwdne2893792:0 Doug Baker ,
crwdns2893800:0crwdne2893800:0:
Mine had same problem. If paper clip doesn't work. Take top off. Remove backflow valve from inside tube. It sticks sometimes. Clean it and replace.
crwdns2892198:0crwdne2892198:0:
open