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Old 11-19-2021, 04:15 PM   #1
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Wet Bay Heating--Perplexed

I was under the impression that when running the oasis furnace that would heat the wet bay f the basement. Then when working in that bay I noticed a heater, hanging from the top portion of the by, that was operating when the Oasis wasn't not running. My question with my '20 Ventana.........is this heater tied to the Oasis? does it operate at a particular temperature? How do the tank heaters fit into the wet bay? Thanks in advance for the input.




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Old 11-19-2021, 07:35 PM   #2
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As long as your Oasis is turned on, the wet bay heater will come on at approximately 40 degrees. There is a small thermostat in the wet bay that will activate the wet bay heater when temps drop. Just because your running the Oasis in the coach, if temps are not low enough, wet bay heater will not be running.
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Old 11-19-2021, 10:50 PM   #3
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As long as your Oasis is turned on, the wet bay heater will come on at approximately 40 degrees. There is a small thermostat in the wet bay that will activate the wet bay heater when temps drop. Just because your running the Oasis in the coach, if temps are not low enough, wet bay heater will not be running.
Kinda wondered this myself. Does the inside thermostat have to be set on Furnace (any or all Zones since Oasis will be on & working just to get hot water to faucets) and thermostat temperature set high enough for furnace to come on, either AC I & or II on or burner on (stupid question here I guess cause there has to be heat), for the heater in bay to come on at 40 degrees. I may be talking in circles here.
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Old 11-20-2021, 07:03 AM   #4
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Oasis Heat

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Kinda wondered this myself. Does the inside thermostat have to be set on Furnace (any or all Zones since Oasis will be on & working just to get hot water to faucets) and thermostat temperature set high enough for furnace to come on, either AC I & or II on or burner on (stupid question here I guess cause there has to be heat), for the heater in bay to come on at 40 degrees. I may be talking in circles here.

You need to have your thermostat on furnace, and enable Zone 3. Judging by your outside temperature, AC I, AC II or even the burner to get the Oasis fluid hot. I have not tried anything different, but Zone 3 or rear heat has to be on.
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Old 11-20-2021, 08:25 AM   #5
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The answer to the second part of you question about the tank heater is they are mounted on the bottom of the tanks. They are controlled by a thermostat and the tank heater switch wherever you switches are located. On my 17 it is in the panel above over the dash near the door.

Iíve never used them even when we were traveling with an overnight low on single digits. I was concerned initially that they needed to be on but a check of the wet bay on a 10 degree evening had the bay temperature at a toasty 60 degrees.
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Old 11-20-2021, 09:37 AM   #6
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Quote:
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Kinda wondered this myself. Does the inside thermostat have to be set on Furnace (any or all Zones since Oasis will be on & working just to get hot water to faucets) and thermostat temperature set high enough for furnace to come on, either AC I & or II on or burner on (stupid question here I guess cause there has to be heat), for the heater in bay to come on at 40 degrees. I may be talking in circles here.

All you need to do is have the AC 1&2 flipped on. This will activate that little heater in your wet bay if temps drop. Thatís it.
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Old 11-30-2021, 03:34 PM   #7
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Thermostat Test

When I was at Newmar Service Center it got really cold. Since the coach wasn't winterized I was concerned. My tech had a spray can of something that got cold when it was sprayed. He sprayed some on the thermostat for the wet bay heater and just like magic the heater came on. Wish I could remember what was in that can of spray. It would be really helpful to test that heater from time to time.
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Old 11-30-2021, 04:45 PM   #8
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When I was at Newmar Service Center it got really cold. Since the coach wasn't winterized I was concerned. My tech had a spray can of something that got cold when it was sprayed. He sprayed some on the thermostat for the wet bay heater and just like magic the heater came on. Wish I could remember what was in that can of spray. It would be really helpful to test that heater from time to time.
Any can of electronics duster will suffice.
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