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Old 05-17-2016, 08:04 AM   #11
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Originally Posted by Flybob View Post
The filter bowl and the water pump chamber are the two items in the water system that are not winterized when only blowing out lines and not adding antifreeze. Not saying the compressed air method is not effective, only that these two items must be addressed separately.
^^ X2 ^^
The water pump and the filter/bowl are isolated/protected from the city side of the system by the internal check valve in the pump. During winterization, using compressed air to blow out the lines via the city water port does not address the water left behind in these items.

Yes you can run the pump 'dry' but it really doesn't get all the water out unless you suck some pink stuff in.

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Old 05-17-2016, 08:52 AM   #12
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I had a leak from the bowl when the unit was brand new.
The little black rubber gasket had an imperfection (cut) in it
Dealer gave me a new gasket and all was well

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Old 05-17-2016, 09:09 AM   #13
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A few years back, in my 21rr I would blow the lines for winterizeing and we had a really hard winter and mine cracked. Any RV supply should have that clear cap in stock. Maybe $5-$8 and just use your hand to take off and put on. No need to drain anything. Open a faucet to relieve any pressure as mentioned. A small towel to dry up the little bit of water that might come out. Mine faced sideways in my camper.

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leak, water, pump

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