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Old 12-14-2015, 10:15 PM   #21
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Oh, I'm sorry. Here it is: Section 8 Page 16 Item 4. "Attach a length of hose to the pump inlet port. This piece of hose should be long enough for the free end to be inserted into and reach the bottom of the antifreeze container."

Reeeeeeeeeal helpful. Thank you Airstream!
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Old 12-15-2015, 04:20 AM   #22
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Oh, I'm sorry. Here it is: Section 8 Page 16 Item 4. "Attach a length of hose to the pump inlet port. This piece of hose should be long enough for the free end to be inserted into and reach the bottom of the antifreeze container."

Reeeeeeeeeal helpful. Thank you Airstream!
Aren't there also sections with a plumbing schematic to show the low point drains, fresh water tank drain, and so forth? Sometimes this information is scattered all over the manual, unfortunately.

There should also be some language about using air pressure to blow out the lines first, and operating the by-pass valve at the water heater, so that the antifreeze solution does not have to fill this heater.

You have a 2015 model, so it is likely IMO that, with regard to winterization, there is more in your owners manual than the short quote you have above.

PS -- there should also be language about removing the filter between the water tank and the pump, making sure the pump is empty by turning it on briefly in order to catch any water remaining after a gravity drain and air pressure blow-out (using a rag/towel to catch the water). [before using the antifreeze] Please double check for all the possible manual language mentioned above -- thank you.

PS2 -- there should also be language about raising and lowering the trailer tongue jack all the way, as part of the gravity drain of the system. If your trailer is level left-to-right, and you run the tongue jack up and down all the way, you should get something out of the fresh water tank drain petcock, as well as the various low point drains.

BTW, how many low point drains does your model have? [both hot and cold] Thanks
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Old 12-15-2015, 04:39 AM   #23
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I believe that your 120-page owners manual is here:

http://www.airstream.com/wp-content/...ional_2015.pdf

Starting on Maintenance p. 8-14 are the instructions regarding the pump and winterizing, with locations of all drains, etc.. [p. 86 of 120 in the PDF's numbering system]

You need to read through page 8-18, as the instructions are long and detailed. [PDF p. 90 of 120]

If there is anything I have mentioned in the previous post, which you do not find in the manual, please advise.

Thank you.

PS -- The Winterizing sub-forum has plenty of threads which may contain information on the process for your FB25:

http://www.airforums.com/forums/f458/
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Old 12-16-2015, 07:01 PM   #24
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BTW, how many low point drains does your model have? [both hot and cold] Thanks

Three on the belly and one up front for the hot water heater.
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Old 12-16-2015, 07:06 PM   #25
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You have a 2015 model, so it is likely IMO that, with regard to winterization, there is more in your owners manual than the short quote you have above.

There is. I was kind of being... cheeky... for lack of a better word. There is lots in there about it (over 21 mentions of the word I believe) but no specific checklist and none of it very specific. "Attach a length of hose..." Okay... What kind, how much, what diameter? There needs to be a checklist!
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Old 12-16-2015, 07:16 PM   #26
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There is. I was kind of being... cheeky... for lack of a better word.
Noted. Bye
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Old 12-26-2015, 01:38 PM   #27
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Another Winterizing Question

I have installed the valve that enables the pump to draw antifreeze right out of the bottle, I've drained the hot water heater and closed the drain valve, I've opened the low point drains and fresh water drain, and closed them after draining. The pump pulls antifreeze through the lines and out the faucets when they are turned to cold, but I get nothing when they are turned to the hot side. Is that normal? One last question, what does the small white plastic valve, located inside the storage compartment on the curb side next to the water heater compartment, drain? I've never see anything drain out when I open it.
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Old 12-27-2015, 04:35 PM   #28
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GLovedahl, that's not normal. If it's drawing thru the pump with hot water on, it's going somewhere. If it's not, I suspect you have a valve shut off at the water heater.
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Old 12-28-2015, 06:40 PM   #29
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I have installed the valve that enables the pump to draw antifreeze right out of the bottle, I've drained the hot water heater and closed the drain valve, I've opened the low point drains and fresh water drain, and closed them after draining. The pump pulls antifreeze through the lines and out the faucets when they are turned to cold, but I get nothing when they are turned to the hot side. Is that normal? One last question, what does the small white plastic valve, located inside the storage compartment on the curb side next to the water heater compartment, drain? I've never see anything drain out when I open it.

As the OP on this topic I am BY NO MEANS an expert here, however I just learned a ton through my own recent experience. That white valve you are referring to perplexed me as well but it is the hot water tank low point / drain valve. I guess it's where the cold water enters the tank before getting hot... but maybe not.

It is NOT however, the hot water heater bypass valve. As I thought it was. That valve you MUST have shut off or you will have to fill it (10 gallons) with anti-freeze before you'll see any come out the faucets on the hot water lines. I suspect this is what your problem is.

The hot water shutoff valve is located below the closet in the bedroom and is accessed by a removable "wall." Just yank on it firmly and it will come off. You'll see a couple valves back there but this one happened to be labeled and I believe actually says "shut off before winterizing" or something to that effect.

If you haven't done the step above, I think you'll find your answer and life will get a lot easier. Not sure if you should take steps to drain what you've put into the hot water heater or not... it's not corrosive so I don't think it's a problem. Just probably not a good idea to try to heat it next spring.
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