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Old 11-22-2023, 08:33 PM   #1
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Brand: Thor Motor Coach
State: Missouri
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THOR #31346
Winterize 20L

I'm trying to winterize my tellaro 20L and have watched the thor videos. The video video refers to flipping the water outlet on the truma combi. I can not find the truma on my 20L. Can anyone help me?

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Old 11-29-2023, 04:38 PM   #2
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Brand: Thor Motor Coach
Model: Tellaro 20L
State: Oklahoma
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THOR #26690
Should be able to follow the line from your filter. It should be under the smaller bed. Truma valve is on the bottom. Make sure your water valve to the unit is shut off so you dont have any water presure. The valve on the Truma is on the bottom and will drain below your van.
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Old 11-29-2023, 08:14 PM   #3
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Brand: Thor Motor Coach
Model: 2022 Tellaro 20L
State: Vermont
Posts: 391
THOR #30506
20L Tellaro/ Sequence winterizing tips

Quote:
Originally Posted by mistybowen View Post
I'm trying to winterize my tellaro 20L and have watched the thor videos. The video video refers to flipping the water outlet on the truma combi. I can not find the truma on my 20L. Can anyone help me?
Kinda late, but PM me for a pdf on the 20L winterization- w/ pics- meanwhile see summary attached- pdf file below the pic.

The bypass valve has red and blue pipes on it. Other pics included that are in my big pdf- too large to post here, so PM me for that.

1st Pic with Truma shows valves in winterized position. There is a lift-out access panel there under the driver's side mattress.

Read the Truma manual before you start- it is not to ever be blown out, or have AF in it. There are sensors inside that can be affected..

The valve they talk about is the yellow PRT valve on the floor, towards the outer wall. Lay down to drain.

3rd pic: You will also need to access behind the side panel by the water tank- remove using a #2 square drive bit, and expose the AF fill riser, and shutoff for the water tank. No AF in the tank.

3rd pic shows tank valve closed before adding AF

4th pic- bypass valve (open for winter position)

5th pic- feeding AF via AF riser.
Attached Thumbnails
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Name:	PRT valve.jpeg
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Name:	20L water filter.jpg
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Attached Files
File Type: pdf Summary of winterizing procedure.pdf (83.0 KB, 29 views)
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Mark & Cyndy
2022 Thor Tellaro 20L, 600Ah LFP/ Balmar UHG, 380W solar.
Former: 2001 Rialta QD, (full refit), 2021 Tellaro 20AT ( 3mos)
Daily driver: 2021 VW ID4
Mark54 is offline   Reply With Quote
Old 12-09-2023, 11:35 PM   #4
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Brand: Thor Motor Coach
State: Pennsylvania
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THOR #31417
Quote:
Originally Posted by mistybowen View Post
I'm trying to winterize my tellaro 20L and have watched the thor videos. The video video refers to flipping the water outlet on the truma combi. I can not find the truma on my 20L. Can anyone help me?

Look under the driver's side mattress. There is a cut out area on the mattress support board near the sink that will allow you access.
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