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Old 11-27-2020, 10:09 PM   #1
Junior Member
 
Brand: Thor Motor Coach
Model: Tellaro 20AT
State: Illinois
Posts: 4
THOR #21347
Thor Tellaro 20AT winterize help!

Trying to winterize for the first time - and the owner’s “manual” is not particularly helpful (and contradicts both the Thor videos and the dealer walk-through). Two main questions to get started: (1) where the heck is the low point drain, and (2j where is bypass valve for the water heater (there are actually 3 in the under-bench compartment).

Any other advice would also be appreciated!

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Old 10-28-2021, 07:40 PM   #2
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Brand: Thor Motor Coach
Model: 2022 Tellaro 20L
State: Pennsylvania
Posts: 42
THOR #25231
Winterizing Valves

The low point drains are under the body on the left side, located at a sticker that says, "Low Point Drains." They are quarter-turn valves that are pretty tight to the chassis. It's hard to find them without a flashlight and putting your head under the chassis.

There is a shutoff for the inlet (blue) and outlet (red) of the water heater. The outlet is right at the water heater. The line containing the inlet is hard to trace, but there is only 1, as far as I can tell.

The water heater bypass is the valve with red tubing on one side and blue on the other. Shut the inlet and outlet, and open the bypass to avoid pumping antifreeze into the water heater. Use the water heater drain/relief valve to drain the water heater.
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