Well I dont know for sure. But I think some of the pumps have a pressure adjustment on the top of it (little set screw on top). Look for "4 season" on you tube - seems like that guy talked about this adjustment.... perhaps your is turned down all the way.
Or the water pump is going out (or has something wrapped around the impeller preventing a good pump)?
I was going to tell you to check that filter screen but it looks like you did already. Perhaps you have a ton of debris in the feed line/tank inlet blocking it? Can you blow air in feed line into fresh water tank?
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2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor
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