My first suspicion would have been an air lock, but if you’re filming the line with water and it still won’t work, I’d suspect the need for an new pump.
The following 1 user Likes MC1600's post:1 user Likes MC1600's post Mydiamond (05-24-2022)
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Vessel Info: 2003 38' Open Cummin's 6CTA's (450 hp)
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Need to remember the A/C pump is a displacement pump and not a pressure pump. With that said there must be water in the entire system, especially at the pump to ensure it will move water (as the pump is a displacement pump). Additionally the pump impeller is NOT connected to the motor via a shaft. Its a magnetic drive system between the motor and impeller so any resistance will inhibit the impeller rotation and movement of water to the A/C unit.... M2C
The following 1 user Likes ReelMagic's post:1 user Likes ReelMagic's post Mydiamond (05-24-2022)
05-24-2022, 06:42 AM (This post was last modified: 05-24-2022, 06:45 AM by Misdirection.)
I had an issue one year of an airlock after the airconditioner in the antisiphon loop. I would take the line off after the pump and see if you can blow air thru the airconditioner manually. If not, you'll need to remove the hose after the ac unit and blow it out.
I stopped blowing out my AC lines with air and started running pink thru it to winterize it. Haven't had a problem since.
EDIT: I see you ran antifreeze thru yours. I'd still check and see if you can manually blow or pump thru the system.
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The following 1 user Likes Misdirection's post:1 user Likes Misdirection's post Mydiamond (05-24-2022)