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Old 08-04-2018, 09:43 AM   #3
porthole
Senior Member
 
Join Date: Jun 2009
Posts: 457
The fitting circled is a hydraulic female quick connect. I was told by Lippert it is a test fitting to pressurize the system without using the onboard pump.
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Thanks,
Duane
2019 DRV MS 39DBRS3 ---> Flexible Flyer
2020 F-450
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