I've had coaches with and without the accumlator/exansion tank. For me, the tank does solve the water pulsing problem. I have no experience with the 5.7 gpm pump mentioned above.
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Gary
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
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Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours
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