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eldondo's avatar
eldondo
Explorer
Jul 30, 2019

Duo Therm AC 620215.303 not draining water to the outside

This model does have electric heat. On a 94 Newmar Mountainaire. I have had it about 10 years. No problems with this issue until yesterday after almost two years of sitting. I have the operating i...
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MountainAir05's avatar
MountainAir05
Explorer II
Jul 30, 2019
Go up on top and remove cover and you will see drain lines, They are just stopped up, clean them out and you should be OK. Clean the old AC while up there. A every year thing. Unplug from power and gen while doing this.

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