Water Pump Question

I am drawing water from my water tank and it acts like this even with a full tank. I tried running all of the faucets, both hot and cold, to bleed out the air but it didn't seem to help much. I'm going to have to check all of the plumbing for a small leak. I have checked all of the visible lines with no success so now I'm going to have to start on the hidden ones. I've checked all of the pipes in the pump compartment and they are okay. I had some trouble getting out the drawers under the microwave so I am going to have to figure that out. Once again, thanks for all the help.
Pull drawer out as far as you can, then on the sides of the slides are black levers- one up and one down will allow you to remove the drawer. Click here:
Also make sure your bypass valves are set correctly- next to the Truma under drivers side bed access, near sink cabinet as seen here:
Cold and Hot open, and bypass closed for summer ops.
For winter storage after draining, Bypass open, and Hot and Cold closed.
 

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Pump has to be on to hear the difference- water running too- not likely to be the issue. Find the leak- it's there somewhere. The one in my Rialta was a tiny leak- doesn't take much to make the pump cycle. For now just turn pump off at night.
I added a SeeLevel system to my 20L (b/c BMPro is very unreliable for tank levels)- also has a pump switch, but needs to be changed to a momentary type for masternode relay, and I piggy backed wires off the rear pump switch under the rear wardrobe drawers. (send me a 'conversation' if you want more info on that) I placed on wall by bath so I can turn pump on/off at night w/o using app or BMPro. Much faster and more convenient.

Also could just be air in the line- so purge all outlets incl rear spray. Hot and cold.
If you look at the pump strainer, you can sometimes see air bubbles inside too if that is the issue.
Does the 2023 20L have a shower miser in the rear bath? (doesn't show on spec sheet- my 20L doesn't have that, but could be another place for air pockets)

drawer out as far as you can, then on the sides of the slides are black levers- one up and one down will allow you to remove the drawer. Click here:

Also make sure your bypass valves are set correctly- next to the Truma under drivers side bed access, near sink cabinet as seen here:
Cold and Hot open, and bypass closed for summer ops.
For winter storage after draining, Bypass open, and Hot and Cold closed.
Thanks. I appreciate your help
I have an appointment with a General RV dealer on Friday. This dealer was very effective repairing the radiator leaking because of the added alternator in the Tellaro. I have a wiring problem in addition to the pump problem so I thought I would get it into the dealer while it's still under warranty. I'll report back on the results. Thanks all for the suggestions. I appreciate it and learned a lot.

I have an appointment with a General RV dealer on Friday. This dealer was very effective repairing the radiator leaking because of the added alternator in the Tellaro. I have a wiring problem in addition to the pump problem so I thought I would get it into the dealer while it's still under warranty. I'll report back on the results. Thanks all for the suggestions. I appreciate it and learned a lot.

Dealer determined that pressure valve on pump was defective and pump needs replaced. Checking to make sure that warranty will cover repair.
D
 
Thanks. I appreciate your help




Dealer determined that pressure valve on pump was defective and pump needs replaced. Checking to make sure that warranty will cover repair.
D
What IS going on with this RV? I've heard of problems with Thor, but this is nuts.
I replaced my water pump just b/c it was a piece of crap to start with. Low grade components to save a buck? And now LP hoses???
 
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