: firstname.lastname@example.org says... :> :> # Fred # wrote: :> > And I guess a UPS that would supply power for more than 1/2 :> > > hour or so is going to be costly. So's a generator. :> > > :> > > Dan :> > :> > Should be cheap as not much power required to control the gas fired unit. Go :> > to any office or computer store and get one suitable for you unit - should :> > be under $100. You need to replace the UPS battery once every few years. :> :> ahh check the current use of the tankless, if it uses a fan for exhaust :> you may need a really large UPS. : :My Takagi draws less than an amp maximum, and that's briefly while the :blower is clearing the exhaust after the burner shuts off; most of the :time it's much lower draw. Any decent UPS can handle 120W loads.
You know, I really don't think it's worth it to get a UPS just to insure I have hot water if my power goes out. I'll be a lot more concerned about the power and especially the food in my refrigerator going bad. Hot water? Holy smokes, my ancestors had to build a fire to get it. I'm not going to be such a pussy about it.