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431 AquaHot pumps
#1
For anyone with the 431 model AquaHot, there are three zone pumps.  AquaHot charges over a $1,000 each.  They are a March pump

Part #809 BR 12vdc 0809-0100-0200 PLX-809-200

March Pump 809 BR 12vdc 0809-0100-0200 PLX-809-200 | eBay
Steve Bare
1999 Newell 2 slide #531
#2
When you install one, make sure you prime it, they are not self-priming.

It also has an arrow for the flow.
Steve Magown
West Monroe, LA
1997 Newell #458
#3
Two of the three are leaking so I'm replacing them all. Any tips...................
Steve Bare
1999 Newell 2 slide #531
#4
I remember Rudy saying “apply a small air pressure to the fill neck which forces fluid through the pumps”.  I have not needed to do that yet!
Gordon Jones
2000-45'-2slide-#567
#5
I use a radiator pressure tester to put 15 psi in the coolant tank at the radiator filler neck. Make sure the coolant tank is lipping full. Turn the pump(s) ON and they will prime right away.
Rudy Legett
2001 Foretravel U320 4220
ISM11 450 hp Allison 4000R
Factory Authorized Aqua Hot Repair Center
Southeast Texas Area


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