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Old 09-06-2006, 01:55 PM
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etakk7 etakk7 is offline
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Winterization of heater core/lines

Question: Does drawing in antifreeze through the raw water intake and running it until circulated also then circulate through the heater core/lines, or are additional procedures necessary for winterizing the heater? The boat is a 2000 205V.

Thanks
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Old 09-06-2006, 02:12 PM
bigmac bigmac is offline
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Quote:
Originally Posted by etakk7
Question: Does drawing in antifreeze through the raw water intake and running it until circulated also then circulate through the heater core/lines, or are additional procedures necessary for winterizing the heater? The boat is a 2000 205V.

Thanks
Nope, not necessarily. Best bet IMHO is to disconnect the most convenient heater hose line and pump RV antifreeze through it til it comes out the other hose into the block. I use one of those cheap anti-freeze RV winterization pumps. Next best bet is to blow a lot of air through one of the heater hoses.

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Last edited by bigmac; 09-06-2006 at 02:30 PM.
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Old 09-06-2006, 02:37 PM
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Here in Colorado where it can get cold cold cold I always disconnect both lines of the heater at the block - I drop the lowest one in the bilge and put my lips on the other one and blow like crazy till I hear no 'percolatin'.
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Old 09-06-2006, 02:47 PM
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Thanks guys - second question - does anybody know the automotive replacement heater core for a 2000 205V? Mine does nothing but blow cold air, the previous owner probably forgot to winterize the heater.
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Old 09-06-2006, 02:54 PM
bigmac bigmac is offline
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Quote:
Originally Posted by etakk7
Thanks guys - second question - does anybody know the automotive replacement heater core for a 2000 205V? Mine does nothing but blow cold air, the previous owner probably forgot to winterize the heater.
I've heard of guys doing that - replacing with an automotive core, also taking the old core to a radiator shop for repair. Personally, my inclination would be to go to HeaterCraft directly. Word is that they're very responsive and customer-oriented.
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Old 09-06-2006, 03:29 PM
beef beef is offline
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I went up to Lowes and got a couple of brass two way garden hose adapters along with some 5/8 fittings. Installed on both lines, along with a couple of short pieces of heater hose on the "open" ends. By reversing the open side of the Y, you can quickly blow out and/or pour full of antifreeze for those cold nights. This works really well if you want to keep sking into questionable temps.

It also has the added advantage of being able to easily shut off the heater in the hot weather, turning it into a nice cool fan for use while switching skiers. Total cost, about $15.
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Old 09-06-2006, 03:44 PM
CoFooter CoFooter is offline
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Etak,

When I forgot to winterize my heater, it actually ruptured and leaked all over the next spring. If its only blowing cold air seems like there may be a blockage issue or its hooked up incorrectly. Never heard of a core getting blocked when frozen unless there is still ice in there. The guy in the shop that replaced it recommended blowing through the line with your mouth to winterize it. You can tell if it is blocked by doing that.
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Old 09-06-2006, 03:52 PM
bigmac bigmac is offline
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Quote:
Originally Posted by beef
I went up to Lowes and got a couple of brass two way garden hose adapters along with some 5/8 fittings. Installed on both lines, along with a couple of short pieces of heater hose on the "open" ends. By reversing the open side of the Y, you can quickly blow out and/or pour full of antifreeze for those cold nights. This works really well if you want to keep sking into questionable temps.

It also has the added advantage of being able to easily shut off the heater in the hot weather, turning it into a nice cool fan for use while switching skiers. Total cost, about $15.
My boat came with a nice little valve on the manifold side of the heater circuit for shutting off water flow through the heater circuit. Can't say I've ever used it, but it seems like a nice touch.

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Old 09-06-2006, 07:37 PM
jimmer2880 jimmer2880 is offline
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When mine froze, it ruptured. I took it to a radiator repair shop for a fix.

When you say it's blowing cold air - is that also while you are under way (> 2000 RPM's)?

If it's hot when above 2k RPM's, but cold while idling, you simply need to install a Y adapter available from www.skidim.com
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  #10  
Old 09-06-2006, 07:52 PM
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No, it's cold all the time.
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