During our Jan - Feb stay in Arizona, we experienced very low water pressure in our new-to-us Montana. I removed ALL the low flow restrictors and the backflow preventer. It fixed the low pressure problems at that time. But now, after the RV has now been unused for 6 weeks, the pressure is worse than ever at ALL faucets. My only remaining option appears to be using water or air pressure at a faucet to backflush the lines. If that is unsuccessful, replumbing the unit may be necessary.
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