So I've been toying with how to get more hot water when we need it and not endlessly heating water for now reason.
I'm thinking of adding an electric tankless hot water heater for on demand usage. I will keep the electric/propane 6gallon unit that came stock. However, I want to plumb in the unit (with the ability to bypass it when not in us and revert back to stock heater, or even stack them to reduce the heating load on the tankless unit)
My trailer is only 30 amp service, so I'm never using the 50 amp supply from the pole. We don't plan on traveling with this trailer, if ever.
My thought is to run the 50 amp service to the entry side of the trailer via 50amp extension cord rated at 12,500W. Then install a matching receptacle on the outside for ease of connection. Then plumb in the aux heater inside above the stove unit. Add valves to bypass or place it inline.
I'm an electrician so it doesn't scare me to do this myself. Doable? Thoughts?
MAREY 3 GPM Electric Tankless Water Heater Power Pack - 220-Volt PPXE5 at The Home Depot - Mobile
50 Amp RV Extension Cord Camper 25' Foot w/handle - $58.25
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