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ewarnerusa's avatar
ewarnerusa
Nomad
Feb 05, 2023

Feedback on 12V water heater element as solar diversion load

My solar charge controller has a diversion load feature where excess current can be diverted to a load once batteries are full. The manual discusses using a water heater element and this sounds like ...
Boon_Docker's avatar
Boon_Docker
Explorer III
Feb 06, 2023
ewarnerusa wrote:
stevenal wrote:
Those 12 V elements look like they are for home style water heaters, not RV.


Yeah I don't think they're the right size for a swappable replacement of an RV water heater 120V element. But it says in loud all caps to not use on grid power as it will fry the element. It's a website for wind and solar and listed as a low voltage diversion load element, so seems like the perfect application if I can get it in the tank.


You are right.
The heater element is 1" NPT and an RV water heater is 3/4" NPT.

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