Thanks for all the input.
Frog and Ford, if anything I'm one to dump early rather than wait to the full mark. But having said that I did try and use the rinse spray with the valve closed to try and really flush the tank clean and something may have got stuck into the vent but I don't think I even had the tank 1/2 full doing this? Right now all is well with the spray rinse cap off. I will let it fill to full then observe drain rate with the cap on and again removed. Running water down the vent will be done after that if I notice a difference with cap on / off.
What has me puzzled is that with the tank only 1/3 full with the cap on, the drop tube has twice looked like it was full. I'm assuming air lock but hard to believe.
I use a short CLEAR angle fitting before the hose so I can make sure the tank is dumping properly. It isn't the greatest thing to watch but you can watch when you back flush and make sure the back flush is clean water. I like using this fitting. Frank
Yes I also use one to see, takes some of the guess work out. It has been looking like it is cleaning properly in the past now to figure out this issue.
Well I thought should let you all know what has happened. Once the tank was full I emptied it and then flushed it with the water rinse. In the process a lot of stuff was flushed out. My thinking is when I last used the rinse connection to fill the tank to try anf flush it out better, something was forced up the vent stack and caused the problem. Thanks for the input again all is well with this now.
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Thanks cdnwillyg, I posted an identical problem as you yesterday evening. I think my problem is just as you described, the black tank flush pushed something up the vent. I'll end my similar thread.
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Thanks cdnwillyg, I posted an identical problem as you yesterday evening. I think my problem is just as you described, the black tank flush pushed something up the vent. I'll end my similar thread.
I would recommend filling the toilet very full and flushing it a couple times to get a good rush of water down and by the vent tube opening and then open the dump valve with the spray rinse on for 10-15 min. which should clear things up.
Good luck!
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