Raritan vs.Isotherm Heater

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C

CYQK

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Sep 11, 2009
605
beneteau first 42 kenora
Time to buy a heater for the boat. Anyone have an opinion wheather a glass lined tank or a stainless tank is better?
Also 6 or 11 gal better need to do my homework before the Miami show
 
Rick D

Rick D

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Jun 14, 2008
7,204
Hunter Legend 40.5 Shoreline Marina Long Beach CA
Tim R.

Tim R.

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May 27, 2004
3,626
Caliber 40 Long Range Cruiser Portland, Maine
The Raritan I had basically fell apart in the boat from rust. This actually made it easier to remove. I replaced it with an Isotherm. The insulation in the Isotherm kept water hot for nearly 24 hrs. The Raritan kept it hot for maybe 6. Get the biggest that will reasonably fit. Can't have too much HW.
 
C

CYQK

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Sep 11, 2009
605
beneteau first 42 kenora
Looks like the ISOTEMP 40 might be the choice and suggestions on where the best deal to purchase would be appreciated

Thanks
Gary
 
C

CYQK

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Sep 11, 2009
605
beneteau first 42 kenora
Tim R
Thanks for the tip for Great-Water
Phoned Kathy they had the best price,and a new one is on the way
Thanks
Gary
 
woodster

woodster

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Sep 15, 2009
6,244
S2 9.2a Fairhope Al
I bought the Basic model (isotherm) last year for less than $300. off ebay 8 gal. 750 watt new in the box....the supplyer was haveing a over stocked sale.....this unit tested best out of nine about 2 years ago

regards

woody
 
Tim R.

Tim R.

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May 27, 2004
3,626
Caliber 40 Long Range Cruiser Portland, Maine
Scott T-Bird said:
Do yo run the 120V off an inverter or generator while on the hook?
Click to expand
Scott, that is probably too much amperage to pull out of an inverter or even a genset. The best way to make HW at anchor is to run the engine and let the heat exchanger do the rest.
 
Rick D

Rick D

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Jun 14, 2008
7,204
Hunter Legend 40.5 Shoreline Marina Long Beach CA
Both. Learned the trick from a cruiser. I run the heater with the 2500 watt inverter and run the engine at the same time. It makes short work of heating water.
 
Scott T-Bird

Scott T-Bird

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Oct 26, 2008
6,432
Catalina 320 Barnegat, NJ
This sounds like a fun project ... I am going to have to research the heat exchanger. I have plenty of room to mount a 6 gal tank in my cockpit locker. The plumbing for the heat exchanger is something I don't envision yet ...

Engine is a 1GM with raw-water cooled (no exchanger).

... Looks like it's not so easy. It would require converting to a freshwater system.

hmmm ... I guess heating while on shore power would be the only option. I thought about one of those instant-heat systems and realized that would be useful only with shore power. I guess the advantage of the tank is that you have some limited capacity when away from shore power.

...Interesting reading on a Flicka 20 website describing the 1GM10 engine (trying to find something about heat exchange) ... it has a lot of ranting against Yanmar!
 
Tim R.

Tim R.

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May 27, 2004
3,626
Caliber 40 Long Range Cruiser Portland, Maine
Scott T-Bird said:
...Interesting reading on a Flicka 20 website describing the 1GM10 engine (trying to find something about heat exchange) ... it has a lot of ranting against Yanmar!
Click to expand
Aside from their pricing, I think they make great engines.
 
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