thetford sasni-con questions
Have a 2016 precept 31ul first multi night camp over memorial day was great. Went to use the thetford sani-con cause the starter dump hose from dealer was too short probably could have backed up but wanted to check out the new gadget anyway. Works great black tank went fine. when i switched valve to gray tank it seemed the sani-con pump over pressured and a small stream of water sprayed out of the sanicon. Gray tank was pretty full.
Questions is should i have switched off the power when i went to dumping the gray tank? or is there a problem.
Thanks
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