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Old 10-12-2016, 10:25 AM   #11
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Thanks for reporting back. It helps others down the line.

2016 Flagstaff 8529IKBS Diamond Package 5th Wheel
Ford F-Series SCREW 4x4
TST Tire Monitor - Sinemate 3500w Gen.
2016 Nights Camped = 42
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Old 10-12-2016, 11:59 AM   #12
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Location: Southwest Alabama
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Just an FYI. Those are diaphragm pumps, so they pulse the diaphragm in and out in order to move water. The sound you hear is the mechanism that pulses the diaphragm.

They use this design because it will pump air (i.e. self priming) better than an impeller pump and it doesn't hurt them to run dry.

Salem 29RKSS Pushing a 2500 Mega-Cab CTD!
Gotta go campin!
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pump, water, water pump

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