The one we have has no electrical hookup, battery start. Mr AE installed himself (both of them - one for two bathrooms, the other for kitchen sink and washing machine).
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Mine too - just a plumbing hook-up.
The unit gets inserted in the hot water line.
Uses two DD batteries to spark ignition
Was a Spanish brand, I think
Works lke a dream.
I have one for the main bedroom, one for the kitchen
the two guest rooms share one.
Working for 9 yrs - sin problems, and one was used to start with!!
really no moving parts to wear out
Ahh that's what I'm talking about. Model/manufacture please?