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12-03-2020, 04:00 PM #1
help with shower install on Raptor engine
So i need a little help planning out a shower install on my 2021 Craze. I've done it on my older boats but with the closed loop cooling i'm trying to figure out what's the best way to do this. As far as getting the hot water hooked up i can't tap into the engine because it's a closed loop so is my best bet tapping into a water line coming after the heat exchanger? I would assume this is where the hottest water is? In this picture at the top of the heat exchanger there are 2 lines that come off and go to both side of the engine into the manifolds and then out the exhaust. This seems to be the best spot to attach the hot water line that goes to the shower. I'm i right on this? I'm guessing the water won't be as hot as getting it straight off the engine block like in my old boats, but is this my best option? Any thoughts would be appreciated, thanks.
Scott
2021 Craz
2007 Mobius LSV
1997 Sea Ray 190
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12-03-2020, 04:09 PM #2
I'd stop by marine products and chat up one of the mechanics. surely they have seen them on other boats and might have some tips/tricks to install.
and another good reason to visit a boat shop to look at boat porn'06 Supra Launch 20SSV-gone but never forgotten
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12-03-2020, 04:42 PM #3Senior Member
- Join Date
- May 2020
- Location
- Nashville
- Posts
- 229
If these are plumbed for the heater, would you not use the same 2 places for the shower?
2018 Moomba MOJO
4100lbs. ENZO's, Center Tank, IBS
780lbs. Lead Wake
Raptor 400
Surf Prop: OJ 945
2019 Ford F150 FX4
5.0L V8
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12-03-2020, 05:02 PM #4
I haven't done it but I have read from people who have that the water doesn't get past lukewarm at idle in the heat exchanger.
I think the only effective way to do it is with a water to water heat exchanger hooked into the heater/coolant loop.
like this: https://www.ebay.com/i/292492300999?...evt=1&mkcid=28
You would run this inline with the heater if you have one or in place of it if not.
Hot engine coolant will circulate through it and there's a separate path for your shower water to flow through in contact with the coolant so it gets hot on the way through.
If you don't have a heater you will need a coolant circulation pump as well.
Heatercraft has them or something like this would work as well. I'm using this one for my heater currently:
https://www.hodgesmarine.com/joh10-2...saAgg1EALw_wcB2020 Supra SA
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12-03-2020, 05:03 PM #5
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12-03-2020, 05:32 PM #6
thanks for the input guys, i do have a heater Sonic. So am i correct in thinking that i would still tap in after the heat exchanger(oem) and that would go to the extra heat exchanger? That extra heat exchanger would also be hooked to the heater line, thus the water coming off the hose after the oem heat exchanger would then be heated up even more in the extra heat exchanger?
Scott
2021 Craz
2007 Mobius LSV
1997 Sea Ray 190
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12-03-2020, 07:42 PM #7
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12-03-2020, 07:59 PM #8
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12-03-2020, 11:15 PM #9Senior Member
- Join Date
- May 2020
- Location
- Nashville
- Posts
- 229
Understand now.
2018 Moomba MOJO
4100lbs. ENZO's, Center Tank, IBS
780lbs. Lead Wake
Raptor 400
Surf Prop: OJ 945
2019 Ford F150 FX4
5.0L V8
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12-06-2020, 01:09 PM #10
help with shower install on Raptor engine
Looks like these work on open or closed cooling systems.
https://heatercraft.com/products/flu...=4076466864159
Tap hot water from after your raw water heat exchanger and cold water closer to the intake side of raw water.
This would leave your in boat heater fully functioning.
Sent from my iPhone using TapatalkLast edited by larry_arizona; 12-06-2020 at 01:20 PM.
2021 Supra SA 400
2018 Supra SA 400 (SOLD)
Michigan