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Old 10-18-2021, 02:20 PM   #1
2 Rivet Member
 
2021 20' Caravel
Indianapolis , Indiana
Join Date: Apr 2010
Posts: 43
Low Point Drains

Prepping for winterization and questioning the drawing that came with my manual. I did locate low point drains under the front dinette bench next to the water heater. And located the external drain behind the dump valves. According to my Airstream manual drawing, there are low point drains in the galley under the sink or in the storage compartment accessed from the outside. All I found were the on off water valves closer to the faucet. Nothing in the storage compartment. Anyone else figured this out? Attached is the manual drawing. I circled where there is suppose to be a low point drain under the sink.
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Old 11-09-2022, 08:13 PM   #2
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2022 20' Bambi
Blairsville , Georgia
Join Date: Oct 2022
Posts: 33
So far the only two I found were by the heater - maybe the deleted them.

Mike
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Old 11-10-2022, 07:10 AM   #3
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2022 20' Caravel
Southeastern , Pennsylvania
Join Date: Mar 2022
Posts: 177
The Airstream manuals for the 2021-2022 Caravels are full of errors and inaccurate information - pump location, drain locations, etc... - I'd call them to confirm. I've submitted a lot of recommended corrections to the manual(s), and they've done nothing to correct them.
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Old 11-11-2022, 08:02 AM   #4
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2022 20' Bambi
Blairsville , Georgia
Join Date: Oct 2022
Posts: 33
Manufactures are constantly making change - if your coach is a FB20, the two low point you found are correct. I used the same winterize mine.

While a lot of owners use only pressure air to winterize, this this is risky, since air will not evacuate all the water and will not remove any water on terminated lines. It takes less than two gallons to winterize correctly, the pickup tube and line is in place, its not worth chancing damage to your sweetie for $6.00.

Regretfully, I found a number of errors from not only building the coach, but the proper insulation as well. The two small ducts on my FB20 by the furnace for heating the tanks were routed incorrectly. One duct was closed off and the other 75% restricted. Try to gain access to inspect your tank duct routing. They used just a T fitting so its not a dedicated output from the furnace.

My to my surprise - when I opened an inspection plate under the rear of the coach, the entire shower base and plumbing were totally exposed to the underbelly area with zero insulation. Water in the shower trap could easily freeze and crack the fitting. Certainly this practice would make the shower floor and bath super cold as well. I sealed this are the bast I could with insulation and a few pieces of foam board.

By the way, the shiny silver foil is not insulation, its only a razor thin cushion for the flooring. Looks like a rank amateur cut the inspection hole by drilling 4 massive holes then zigged the opening - super poor workmanship - this access hole should have been placed when cutting other opening in the floor.

Stay Safe - Mike
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Old 11-11-2022, 11:13 AM   #5
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2022 20' Bambi
Blairsville , Georgia
Join Date: Oct 2022
Posts: 33
Hey Guys here's a few images I shot showing a cut-away of an Airstream floor, tanks and ducts.

Stay Safe - Mike
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