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post #11 of 14 Old 01-12-2011
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Brian... the specs on precision.. 2 gal a minute is a trickle imho

Capacity:

55,000 Btu input - 44,000 Btu output at maximum burn at 8.5 WCI manifold pressure.

15,000 Btu input - 10,600 Btu output at low burn at 1.2 WCI manifold pressure.

(88F temperature rise per gallon per minute continuous flow at high burn).
Fuel Consumption: 2.55 lbs per hour at maximum input. ( At 2 GPM of water, 20 lbs of propane will produce over 940 gallons of hot water).

Denise, Bristol PA, Oday 30. On Tidal Delaware River, Anchor Yacht Club.
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My boat is sold!
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post #12 of 14 Old 01-12-2011
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I guess that would depend how large your tank is and if you cared about being frugal with your supply or not. I have a 27' boat and my galley sink has a small Flojet pump rated at 1 gpm. But I am not looking for a water heater - of any kind.

Brian
Living aboard in Victoria Harbour
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post #13 of 14 Old 01-12-2011
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Propane safety-if you have a gas sniffer installed and mine has two sensors its impossible to get any gas from storage locker as without power the gas solenoid is shut.Plus you get a very noisy siren blasting off.
So you remove gas supply if portable;and start pumping bilge with your manual bilge pump to pump any gas overboard.
Whilst propane gas explosions do occur its not just as simple as gas plus a match.Mixture has to be just right.
Having said all of this my boat has a calorifier running off the indirect engine cooling system.
Once the engine is up to operating temp a little below boiling point so the 8 gallon calorifier is at the same temp.After a run into harbour mine is quite capable of giving several hot showers plus enough water to wash pots and have a warm wash the next morning.
It has the facility to add an immersion heater/heating coil for shore power although I have never found the need as if its available a nice shower onshore always seems more appealing.
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post #14 of 14 Old 01-14-2011 Thread Starter
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i guess there isnt a good solution , looks like i am going to use a small tank style heater.. thanks ...Ron
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