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The microwave at 750 to 850w will just about max out the 1000w inverter. The water heater (1300w or so) or the electric cook top (1100w) will each be more than the 1000w inverter will handle. Even a 2000w inverter works but will limit how many appliances can be used when. The shore power receptacle, wiring, and electrical system will handle up to 30 amps at 110 volts. The 2000w inverter will only manage about 18 amps at 110 volts. With any of these inverters remember that there is some loss in efficiency.
Bill, is this boat set up and wired for 110-120 volts or 220 volts. In either situation do the math. Volts x amps = watts. Factor in some loss of efficiency, maybe 10 to 15%. The inverter will work pretty well for running lighter loads for a length of time, but will deplete the house batteries fairly quickly under heavy loads. A 100 watt load is just under 1 amp on the 110 volt electrical system, but it is almost 10 amps on the 12 volt system. The inverter should NOT BE MOUNTED IN THE ENGINE COMPARTMENT for fuel ignition/explosion reasons, although some have been. You will need a high amperage fuse and heavy electrical cables from the house batteries to the inverter. Follow the inverter manufacturer's recommendations for location and wiring. An inverter should have a transfer switch or at least a selector switch.
The Honda EU2000i will run for about 4 hours at nearly maximum output on a tank of fuel, and well beyond 8 hours at lighter loads.
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Surface Interval: A scuba diving term for that time between dives to relax and prepare for life's next great adventure.
Current boat: '02 FW 268 Vista
Previous boat: '95 FW 190 Horizon
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