5000W/ 48V water heater dump load element [RE-wrenches]

[Dan Brown]

happy holidays everyone.
       i have an off grid customer hell bent on eeking every last watt out of 
a 10k bergy (in a fairly hot wind site). they heat with water-- so they're 
thinking of using a conventional hot water tank with elements capable of 
handling up to 10k (5k each) as a dump load, i see basically the same idea, but 
instead of using a domestic hot water heater, I'd rather instal the element in 
their existing boiler either way, we'd tap in to the DC side at 48 volt, and 
control the mess with an outback aux out. question is has any one tried this 
approach (and lived to tell the tale) -- good idea? bad idea? parts? suppliers? that 
kind of thing. seems their using both radiant floor heat, and base board. we 
have talked a little about a hot water storage system (like a tarn), but i get 
the impression they'd like to keep things less expensive. any advice would be 
greatly appreciated. thanks dan

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