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Old 09-30-2016, 07:47 PM   #1
Junior Member
Brand: Thor Motor Coach
State: Iowa
Posts: 12
THOR #5306
'15 ACE 29.3 Water Drain

Newbie here: how do I drain the fresh water tanks in my 2015 29.3? The owners manual doesn't tell hownand where to go and can't find the vavlve. Thanks!

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Old 10-01-2016, 12:39 AM   #2
Junior Member
Brand: Thor Motor Coach
Model: ace 29.3
State: Virginia
Posts: 18
THOR #3418
tank drain

The valve is located in the bay with valves for grey and black tanks, it looks like a ring that you pull. I drained my take at the campround, open all the sinks and drained

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Old 10-01-2016, 02:40 AM   #3
Senior Member
Brand: Still Looking
Model: Fleetwood Southwind 37F
State: Texas
Posts: 114
THOR #1793
I drained mine last week. If you have the outside kitchen, there is also a "ringed" drain valve behind the small tilt out drawer.

I found the main drains, as mentioned above, in the bay with the outside shower. Next to the shower knobs will be the water pump. One ring drains slower, as it is before the pump.

Not sure if this is good for the pump, but also noticed the other drain went faster if opened and pump turned on. I didn't run the pump long for fear of cavitation.
2015 Thor ACE 29.3 (Traded in)
2019 Fleetwood Southwind 37F
w/'15 Jeep Wrangler Unlimited toad
GMac is offline   Reply With Quote

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