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05-22-2017, 01:52 PM
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#1
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Guru
City: North Vancouver
Vessel Name: Phoenix Hunter
Vessel Model: Kadey Krogen 42 (1985)
Join Date: Apr 2011
Posts: 2,877
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Showering on the go
Why didn't I figure this out before?! In the past, we would turn on the engine heat near the end of the trip for the day so we would have washing up water for the galley. Anything left over and one of us might shower. But we decided, why not turn on the engine heat sooner and we could shower on route? No problem doing that during calm conditions. It works well and we each can get a shower while we are running. Using the inverter while running the admiral can use her blow dryer. It's free heat and free power.
Jim
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05-22-2017, 01:57 PM
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#2
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Wannabe
City: SF Bay Area
Vessel Name: Stillwater
Vessel Model: Kadey-Krogen 54
Join Date: Dec 2014
Posts: 782
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Quote:
Originally Posted by JDCAVE
Why didn't I figure this out before?! In the past, we would turn on the engine heat near the end of the trip for the day so we would have washing up water for the galley. Anything left over and one of us might shower. But we decided, why not turn on the engine heat sooner and we could shower on route? No problem doing that during calm conditions. It works well and we each can get a shower while we are running. Using the inverter while running the admiral can use her blow dryer. It's free heat and free power.
Jim
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Yes - done this many times. With five of us on the crew down from Ketchikan to Anacortes we would depart at around 7am each morning and then take it in turn to have our morning showers underway. Then there was still plenty of hot water for dishes in the evening at anchor.
Richard
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05-22-2017, 02:14 PM
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#3
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Guru
Join Date: Oct 2007
Posts: 1,121
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We always had the recirculating engine "coolant" heating the hot water tank when the engine was running. Electricity was only for back-up when anchored or docked for an extended period. Our 20 gallon Raritan held the temperature pretty well for 24 hours, depending on usage, and the engine heated the water to 180 degrees, so needed to be careful. 20 gallons always seemed to be enough.
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05-22-2017, 02:15 PM
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#4
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Guru
Join Date: Oct 2007
Posts: 1,121
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Further to previous answer, I guess if you have a much bigger (than 2) crew then you would run out of HOT water!!!
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05-22-2017, 02:22 PM
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#5
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Guru
City: North Vancouver
Vessel Name: Phoenix Hunter
Vessel Model: Kadey Krogen 42 (1985)
Join Date: Apr 2011
Posts: 2,877
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Showering on the go
Our tank is 12 gallons. I typically have a very short shower. The admiral has liner hair, ergo, more water.
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05-22-2017, 03:24 PM
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#6
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Veteran Member
City: Mount Pleasant
Vessel Name: Endeavour
Vessel Model: '87 Island Gypsy
Join Date: Nov 2016
Posts: 40
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Quote:
Originally Posted by Chrisjs
We always had the recirculating engine "coolant" heating the hot water tank when the engine was running. Electricity was only for back-up when anchored or docked for an extended period. Our 20 gallon Raritan held the temperature pretty well for 24 hours, depending on usage, and the engine heated the water to 180 degrees, so needed to be careful. 20 gallons always seemed to be enough.
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Yes, to the OP, you may want to check your system. Our engines heat the water in our H2O heater. So, it really is "free".
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05-22-2017, 04:49 PM
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#7
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Guru
City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 12,834
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20 gallon Raritan WH with tempering valve and coolant loop heat exchanger on my boat. Almost endless hot water for 2 or 3 people.
Ted
__________________
Blog: mvslowhand.com
I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
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05-22-2017, 07:12 PM
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#8
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Moderator Emeritus
City: Chicago, IL
Vessel Name: Bay Pelican
Vessel Model: Krogen 42
Join Date: Oct 2007
Posts: 2,993
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six gallon isotherm. Heat the water every day when we run the generator. With just two of us there is enough hot water for showers and dish washing.
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Marty
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05-22-2017, 07:25 PM
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#9
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Guru
City: Quebec
Vessel Name: Bleuvet
Vessel Model: Custom Built
Join Date: Jan 2016
Posts: 4,375
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Quote:
Originally Posted by JDCAVE
Our tank is 12 gallons. I typically have a very short shower. The admiral has liner hair, ergo, more water.
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We have a 6 gal but the water is so hot that we use very few. We have enough everyday for shower for 2 person, dishes in the evening and following morning. We will replace the heater with a 11 gal so we have enough for 2 days. Water conservation is easy, shower head can be replaced for a low consumption one so you don't waste.
L.
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05-22-2017, 08:01 PM
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#10
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Guru
City: North Vancouver
Vessel Name: Phoenix Hunter
Vessel Model: Kadey Krogen 42 (1985)
Join Date: Apr 2011
Posts: 2,877
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Quote:
Originally Posted by lowcountry
Yes, to the OP, you may want to check your system. Our engines heat the water in our H2O heater. So, it really is "free".
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Nothing wrong with the system, just conserving water.
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05-23-2017, 09:56 AM
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#11
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Veteran Member
City: Mount Pleasant
Vessel Name: Endeavour
Vessel Model: '87 Island Gypsy
Join Date: Nov 2016
Posts: 40
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I didn't mean it like something was wrong with your system, just saying check to see if your already running engines provide heat without turning on the hot water heater.
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05-23-2017, 10:18 AM
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#12
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Senior Member
City: Seattle, WA
Vessel Name: Akeeva
Vessel Model: Nordhavn 50
Join Date: Apr 2014
Posts: 449
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Showers underway are the best, especially when there are whales and mountains and icebergs visible out the porthole!
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05-23-2017, 10:41 AM
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#13
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Guru
City: Southern Maine
Vessel Model: Prairie 36 Coastal Cruiser
Join Date: Dec 2012
Posts: 2,717
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Not really sure what it means to "turn on the engine heat." Most systems are hooked up so that the engine jacket water circulates through the water heater whenever the engine is running. There may be bypass valves for emergencies, but when would you NOT want hot water?
As for showering underway, been doing that ever since we first got a boat with a shower. Especially when motoring a long way through protected waters to an anchorage for the evening, or any time on a long inland run like the ICW. Either way, you arrive at your destination with a full tank of hot water, which cuts down on the genset run time.
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05-23-2017, 11:27 AM
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#14
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Master and Commander
City: Vallejo CA
Vessel Name: Carquinez Coot
Vessel Model: penultimate Seahorse Marine Coot hull #6
Join Date: Sep 2010
Posts: 12,559
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Quote:
Originally Posted by CaptTom
Not really sure what it means to "turn on the engine heat." Most systems are hooked up so that the engine jacket water circulates through the water heater whenever the engine is running. ...
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That's how the Coot is plumbed. ... My sister's reaction: "you have hot water?!"
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Kar-KEEN-ez Koot
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05-23-2017, 12:24 PM
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#15
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Guru
City: North Vancouver
Vessel Name: Phoenix Hunter
Vessel Model: Kadey Krogen 42 (1985)
Join Date: Apr 2011
Posts: 2,877
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Quote:
Originally Posted by CaptTom
Not really sure what it means to "turn on the engine heat." Most systems are hooked up so that the engine jacket water circulates through the water heater whenever the engine is running. There may be bypass valves for emergencies, but when would you NOT want hot water?
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We don't seem to have hot water unless we switch on the engine heat. I seem to remember the PO confirming this. And yes, there is a by-pass valve.
This is the "plumbing" and heat exchanger for heating the hot water tank, via either the Webasto Hydronic heating system or the engine heat. The Webasto heats the water to almost scalding temperatures.
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05-23-2017, 12:27 PM
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#16
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Guru
City: Quebec
Vessel Name: Bleuvet
Vessel Model: Custom Built
Join Date: Jan 2016
Posts: 4,375
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Quote:
Originally Posted by JDCAVE
We don't seem to have hot water unless we switch on the engine heat. I seem to remember the PO confirming this. And yes, there is a by-pass valve.
Attachment 65055
This is the "plumbing" and heat exchanger for heating the hot water tank, via either the Webasto Hydronic heating system or the engine heat. The Webasto heats the water to almost scalding temperatures.
Attachment 65056
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On a side note: I wish my ER was as much clean as yours, I am jealous of this outrageous cleanliness!!!
L.
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05-23-2017, 12:36 PM
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#17
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Guru
City: Gig Harbor
Vessel Name: Kinship
Vessel Model: North Pacific 43
Join Date: May 2015
Posts: 9,046
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Quote:
Originally Posted by Lou_tribal
On a side note: I wish my ER was as much clean as yours, I am jealous of this outrageous cleanliness!!!
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I just like how accessible the plumbing is. Mine is hard to get at. I need to replace some hydronic heating hoses and keep putting it off because of that.
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05-23-2017, 02:34 PM
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#18
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Guru
City: Adelaide
Vessel Name: Kokanee
Vessel Model: Cuddles 30 Pilot House Motor Sailer
Join Date: Jul 2012
Posts: 3,218
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Quote:
Originally Posted by CaptTom
Not really sure what it means to "turn on the engine heat." Most systems are hooked up so that the engine jacket water circulates through the water heater whenever the engine is running.
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JD has the choice of switching between engine heated water while underway or diesel heated water with his Webasto system while docked or at anchor. I'm guessing the switch is for a 3-way solenoid valve but it's not shown in the photo of his pristine engine room.
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05-23-2017, 04:22 PM
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#19
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Guru
City: Punta Gorda, fl
Vessel Name: Escapade
Vessel Model: Nordic Tug 37 2002
Join Date: Jan 2015
Posts: 1,231
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I'm going to be the odd man out, erring to the side of caution.
I disconnected all external plumbing from our Cummins cooling system. I have heard of too many folks that had the main diesel engine destroyed because a hose or coil blew and drained all the coolant.
To me it is not worth risking your $35,000.00 engine to heat water.
IMHO
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05-23-2017, 08:01 PM
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#20
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Dauntless Award
City: Wrangell, Alaska
Vessel Name: Dauntless
Vessel Model: Kadey Krogen 42 - 148
Join Date: Jan 2013
Posts: 2,820
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Jim,
Beautiful Engine room. I am jealous.
I'm not sure why you would not have the engine heat always heating the water heater. Mine is plumbed to do so with no way to turn if off. But I've never needed to.
Richard
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