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10-17-2020, 02:52 PM
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#1
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Senior Member
Brand: Thor Motor Coach
State: Alabama
Posts: 102
THOR #13703
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Water pump not supply has water
I have a 2018 Thor Miramar and the water will not run when the pump is running, I can hear the pump and the inside water gauge shows zero but the water is not running and there is plenty of water in the tank
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10-17-2020, 03:38 PM
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#2
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Senior Member
Brand: Thor Motor Coach
Model: Miramar 37.1
State: California
Posts: 2,460
THOR #12698
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Did you check your water valve in the wet bay to make sure it is flipped to position to allow the flow of water from your tank to the pump? It should have a position to fill the tank, a position to draw water from the tank , a city water connection to allow city water to flow directly without filling the tank and a winterization position.
Paul
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10-17-2020, 04:32 PM
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#3
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Senior Member
Brand: Thor Motor Coach
State: Georgia
Posts: 2,585
THOR #4735
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typically you have to turn a lever to get the water thru the water pump from the water tank
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the Turners...
two Campers, two Electric cars
former diesel pusher traveler
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10-17-2020, 09:44 PM
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#4
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Senior Member
Brand: Thor Motor Coach
State: Alabama
Posts: 102
THOR #13703
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Yes I put it to normal
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10-17-2020, 09:45 PM
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#5
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Senior Member
Brand: Thor Motor Coach
State: Alabama
Posts: 102
THOR #13703
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Did that the control panel shows no water
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10-17-2020, 09:48 PM
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#6
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,128
THOR #7035
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Quote:
Originally Posted by druganjk@gmail.com
I have a 2018 Thor Miramar and the water will not run when the pump is running, I can hear the pump and the inside water gauge shows zero but the water is not running and there is plenty of water in the tank
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Quote:
Originally Posted by druganjk@gmail.com
Did that the control panel shows no water
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Maybe fill the fresh water tank with some water??
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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10-17-2020, 10:03 PM
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#7
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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My RV has a valve at the freshwater tank to cut off the supply of water. Perhaps you have one also?
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10-18-2020, 01:57 AM
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#8
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Senior Member
Brand: Thor Motor Coach
Model: 2016 Thor Outlaw 29H
State: Tennessee
Posts: 668
THOR #13869
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Quote:
Originally Posted by Bob Denman
My RV has a valve at the freshwater tank to cut off the supply of water. Perhaps you have one also?
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Ours does too, it cuts off the supply from the FW tank to the FW pump.
On city connection, I noticed my FW tank overflowing out the fill cap, from then on I close that valve when on city connection, and open it when not. Problem I had was solved.
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.....
Rusty
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10-18-2020, 10:50 AM
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#9
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Senior Member
Brand: Thor Motor Coach
State: Missouri
Posts: 2,324
THOR #6903
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Your level indicator lights show no level in the tank but you have verified that the tank is full?
Quote:
Originally Posted by druganjk@gmail.com
Did that the control panel shows no water
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10-18-2020, 11:01 AM
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#10
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Senior Member
Brand: Thor Motor Coach
State: Alabama
Posts: 102
THOR #13703
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It’s about 25% full
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10-18-2020, 11:09 AM
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#11
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Senior Member
Brand: Thor Motor Coach
State: Missouri
Posts: 2,324
THOR #6903
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I have 4 valves total
Winterizing and water source on the panel
Two more behind the panel
Check all the valves especially the ones near the pump
Be sure the valve position allows flow from the tank to the pump suction and the pump discharge is open to the coach
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10-18-2020, 11:10 AM
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#12
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Senior Member
Brand: Thor Motor Coach
State: Alabama
Posts: 102
THOR #13703
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I have it on normal which used to work
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10-18-2020, 12:20 PM
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#13
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Senior Member
Brand: Thor Motor Coach
Model: Tuscany 42GX
State: Missouri
Posts: 1,158
THOR #9178
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Quote:
Originally Posted by druganjk@gmail.com
I have it on normal which used to work
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If nothing else changed check the pump strainer
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10-18-2020, 12:34 PM
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#14
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Senior Member
Brand: Keystone
Model: Sprinter
State: Florida
Posts: 1,422
THOR #15553
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is the antifreeze valve closed? Check all connections at the pump. might be sucking air.
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2011 Keystone Sprinter 323BHS. Retired Master Electrician. All Motor Homes are RV's. All RV's are not Motor Homes.
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10-18-2020, 01:00 PM
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#15
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Senior Member
Brand: Thor Motor Coach
State: Alabama
Posts: 102
THOR #13703
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Where is it
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10-18-2020, 02:15 PM
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#16
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Senior Member
Brand: Thor Motor Coach
State: Missouri
Posts: 2,324
THOR #6903
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Quote:
Originally Posted by druganjk@gmail.com
Where is it
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Most of the RV pumps have a strainer at the suction for debris left in the tank primarily
It can also be a source of a small air leak keeping a pump from priming
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10-21-2020, 04:47 PM
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#17
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Member
Brand: Thor Motor Coach
Model: Vegas 25.5
State: Oklahoma
Posts: 45
THOR #14018
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Water supply to pump
I had a problem with water supply to pump on our 2018 Vegas. Ended up being a piece of plastic that was cut in the water tank during assembly was blocking the supply line. RV shop had to remove tank in order to remove debris from inside tank (done under warranty). Good luck.
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10-21-2020, 05:06 PM
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#18
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Senior Member
Brand: Thor Motor Coach
Model: challenger 37FH
State: Delaware
Posts: 688
THOR #13399
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Also check the plastic strainer cup when you clean it they are pron to cracking,and hard to see the cracks .
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10-21-2020, 06:15 PM
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#19
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Junior Member
Brand: Thor Motor Coach
Model: Miramar 34.2
State: Maryland
Posts: 8
THOR #1899
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The value at the pump is off.
I had the same problem after taking my 2016 Miramar in for service and winterization. There's a quarter turn value inside the unit actually at the pump. Access was from removing a panel in one of the closets.
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10-21-2020, 06:42 PM
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#20
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Senior Member
Brand: Thor Motor Coach
Model: Fourwinds 24F
State: North Carolina
Posts: 766
THOR #9511
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I constantly battle with the water strainer at the pump inlet. If you tighten too tight they tend to crack and you can tell because they get wet and drip. The other issue is the seal between the clear stainer cup and the black body is junk. As a result the pump won’t prime cuz it sucks air. I find a few turns of Teflon tape on the black threads gives a good enough seal to have the pump work for a while. I took my strainer into Tractor Supply and got an o-ring that seals where the black/clear mate is. I also carry an extra strainer with me.
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