2001 Itisca Horizon 36L - WHAT IS THIS?
- Thread starter menke1
- Start date
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SeilerBird
Well-known member
I think it is exactly what it says it is. However I would not trust my plumbing to a 17 year old system, especially since Googling Automatic Winterizing System didn't find a lot of information about it.
Gary RV_Wizard
Site Team
Perhaps not all you might hope it to be.
"Bypass" is a remote control (solenoid operated) valve that shuts off water flow through the heater and lets cold water bypass it and flow to the hot faucets. The heater tank still needs to be drained and you still have to deal with the water in the pipes somehow, cause it can still freeze. See the next paragraph...
As I understand it, "Winterize" switches the pump intake from the tank to an alternate inlet so you can use it to suck RV potable water antifreeze from a jug. That is handy if you are using the antifreeze method of free-proofing your water lines. The other method involves pushing all the water out with air pressure, called the air blow-out method. In either method, you have some additional manual fiddling to do with things like ice maker, washer/dryer, toilets, etc.
Neither of these is the full job of winterizing the water system - you also to put some antifreeze in the drain traps and waste tanks.
There is an overview of winterizing needs in the RVForum Library at http://www.rvforum.net/joomla/index.php/27-maintenance-items/206-winterize-your-rv
"Bypass" is a remote control (solenoid operated) valve that shuts off water flow through the heater and lets cold water bypass it and flow to the hot faucets. The heater tank still needs to be drained and you still have to deal with the water in the pipes somehow, cause it can still freeze. See the next paragraph...
As I understand it, "Winterize" switches the pump intake from the tank to an alternate inlet so you can use it to suck RV potable water antifreeze from a jug. That is handy if you are using the antifreeze method of free-proofing your water lines. The other method involves pushing all the water out with air pressure, called the air blow-out method. In either method, you have some additional manual fiddling to do with things like ice maker, washer/dryer, toilets, etc.
Neither of these is the full job of winterizing the water system - you also to put some antifreeze in the drain traps and waste tanks.
There is an overview of winterizing needs in the RVForum Library at http://www.rvforum.net/joomla/index.php/27-maintenance-items/206-winterize-your-rv
OP
OP
menke1
New member
Thanks...
NewmanRacing
Well-known member
So if the standard plumbing is bypassed to allow the water pump to draw in the anti freeze, all plumbing upstream would still have water in the lines? Fresh water tank and feed lines to the pump.
You would still have to manually pour anti freeze into the fresh water tank and purge that line separately?
You would still have to manually pour anti freeze into the fresh water tank and purge that line separately?
Gary RV_Wizard
Site Team
Yes. You still have to pump enough antifreeze through the lines to protect them.
Just drain the tank.
Water actually expands about 8% as it turns to ice, roughly from 39 degrees down to 32. Freeze damage occurs when water is in a tight space and has no room to expand. An open water tank that is more-or-less empty should suffer no damage because the water has plenty of room to expand as it freezes. Likewise for waste tanks. However, adding some antifreeze will give some further peace of mind.
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