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Old 10-12-2018, 03:38 PM   #1
Junior Member
Brand: Thor Motor Coach
Model: Axis 24.1
State: Kentucky
Posts: 21
THOR #9694
water pressure issues - solved!

We have had issues with water pressure and flow while running on water pump for over a year on our 2017 Axis 24.1. This has caused problems with our tankless water heater. We have had periods of no hot water, too hot water, intermittent hot water. Very frustrating since we like to boondock and often stay in national or state park campgrounds, without hookups. Our hot water always functioned perfectly with city water hookup.

All our problems were caused by plastic shavings obstructing our water lines (see picture)! These plastic shavings never made it to the inline filter. The obstruction was at the beginning of the white flexible water hose. I disassembled the water line from the tank to the water pump and a clump of plastic shavings fell out! I used and air compressor to blow out the line, reassembled and our water flow problem was solved. Now our water pump runs strong, smooth, and quite - with perfect hot water.

I also found plastic shavings in our water tank drain line. Now it takes about an hour to drain the water tank instead of days.

If these problems sound familiar, check your water lines.

2017 Thor Axis 24.1
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Old 10-12-2018, 04:46 PM   #2
I Think We're Lost!
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Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 12,647
THOR #8860
Glad to hear that you found the culprit!

Good Sam Member 843599689
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Current coach: Tiffin Wayfarer 24 BW
"History shows again and again; how Nature points
out the folly of man..."
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Old 10-17-2018, 01:15 PM   #3
Junior Member
Brand: Thor Motor Coach
State: Maine
Posts: 27
THOR #13246
It's amazing how much crap Thor leaves in "unseen" places.
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Old 10-17-2018, 02:01 PM   #4
Senior Member
Long & Winding road's Avatar
Brand: Thor Motor Coach
Model: 2017 Axis 25.4
State: Arkansas
Posts: 2,368
THOR #12231
Im glad you found the probems and shared with us. This thread might help others down the road.

My fresh tank takes forever to drain as well. I will have to check and see if shavings are blocking the drain tube.
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, Fresh water surge tank, Black Tank Tornado flush, 4999 zip ties.
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Old 10-17-2018, 02:26 PM   #5
Junior Member
Brand: Thor Motor Coach
Model: Axis 24.1
State: Kentucky
Posts: 21
THOR #9694
Plastic shavings were also blocking our fresh water tank air vent. You can remove the screen outside next to the water fill and clear it.
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