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Old 08-01-2016, 03:59 PM   #1
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cbrittan's Avatar
2020 22' Caravel
Woodstock ON , Ontario
Join Date: Jul 2014
Posts: 62
Black Water Tank Flush: Park Water Pressure

Can anyone help us determine if the "black water tank flush intake" pressure on our 2016 AS 30' is protected against over pressure by the factory installed water pressure device.

Our park and other parks in which we have used the black water tank flush may have very high water pressures and volumes. We know the delivery of park water to the kitchen/bathroom taps are protected against high pressures by the factory installed device, but Is the black water tank flush intake and supply to flush the black water tank, also protected?

Your insight will be appreciated.
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Old 08-01-2016, 04:16 PM   #2
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2007 22' International CCD
Corona , California
Join Date: Jul 2013
Posts: 9,098
Nope, it's not protected against higher than normal pressure and flow.

I always use a quality adjustable pressure regulator at the campground water spigot to protect my hoses and AS.

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Old 08-01-2016, 05:32 PM   #3
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2015 27' FB International
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The sprayer in the tank is also not protected from getting clogged by TP and other substances which can dry and reduce the flow. A good high pressure of water can help keep it clean.
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