My boat has a combination 120 VAC 1.5 kW electric/engine coolant hot water heater. It holds 6 gallons of fresh water. For grins, I tried it on the battery/inverter and it drew 117 amps DC. This is consistent with the unit’s rating as the battery voltage dropped below 12 VDC when tried. Since my alternator can only put out 55 amps and the battery cables are only #4 AWG, running the heater with shore power does not seem practical. I do not normally have AC shore power. To prevent inadvertently turning on the heater, I disconnected the power feed at the circuit breaker.
The engine coolant part of the heater works great. We can run the engine in the afternoon to recharge batteries and/or go to a mooring. There is plenty of hot water for dinner dishes and a couple of quick showers. Regards, Ron Ron Ricci S/V Patriot C&C 37+ Bristol, RI <mailto:ron.ri...@1968.usna.com> ron.ri...@1968.usna.com
_______________________________________________ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com