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Old 09-24-2014, 08:56 AM   #1
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Sanibel 3501

We have a Sanibel 3501. Got a question on winterizing. There is a switch in the docking station that says winterize. There are also two valves on the back of the water heater. Can I just turn the switch to the position marked winterize on the docking station , or do I need to turn the two valves to the opposite position on the back of the water heater ? Any help would be appreciated.


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Old 09-24-2014, 10:07 AM   #2
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I have the Sanibe 3600, I winterized by just using the winterize lever, it did exactly what I expected and bypassed the water heater. Without removing covers, I could not get to the back of my water heater, but I suspect if there are valves there its for potentially servicing the system.
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Old 09-24-2014, 06:25 PM   #3
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Do a "winterize" search on that switch that is located on back of the heater and you will see several postings concerning it. I did place that switch in the bypass position last year for winterization. I felt some of the bypass tubing would of not been protected, if left in its normal position after reading the postings and tracing the heater water tubing on my unit.
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Old 09-24-2014, 06:33 PM   #4
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Thank you


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Old 09-24-2014, 10:57 PM   #5
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Don't forget to pull the plug/anode rod on the water heater to drain it. I believe you should also have another valve to bypass the water heater. It should say "bypass" and "normal".
1-When you're ready, open all the faucets in the unit,
2-Open the "low point drains (located outside under the unit, this drains the lines in the unit),
3-Drain the water heater, put water heater valve in "bypass" position,
4-Put main valve in "winterize" position (this will allow the suction of RV Antifreeze from jug).
5-Get or make a short length of hose w/male end. Attach it to your normal "city" port. Put the other end of the hose into an open jug of RV Antifreeze.
6-Close all faucets including low point drains.
7-Turn on the onboard water pump.
8-Open the faucets one at a time (both hot and cold) and let run until the RV Antifreeze comes out.
9-Pour enough RV Antifreeze into ALL the drains to displace and remaining water.
10-Don't forget to drain your fresh water tank too!!!

BTW - About 3 gallons should do the job.

Good luck.
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Old 10-07-2014, 10:16 AM   #6
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Sometimes I just giggle because the high today at my house is supposed to be 93. Winterizing is the farthest thing from my mind.


P.S. I blow mine out with a compressor first.
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Old 10-07-2014, 10:42 AM   #7
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Quote:
Originally Posted by DKRITTER View Post
Sometimes I just giggle because the high today at my house is supposed to be 93. Winterizing is the farthest thing from my mind.


P.S. I blow mine out with a compressor first.

BRAGGER 🔺🔺🔺


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Old 10-07-2014, 11:43 AM   #8
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Originally Posted by DKRITTER View Post
Sometimes I just giggle because the high today at my house is supposed to be 93. Winterizing is the farthest thing from my mind.


P.S. I blow mine out with a compressor first.
Be sure to also give the toilet a pump or two when your valves are all opened up. I made it thru the winter last year with just draining everything but the dang toilet valve had enough water in it to crack the housing.
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