[SustainableTompkins] hot water heaters

[Tony Del Plato]

Thanks ej
t

On Jan 26, 2008 11:46 PM, <ejgeorge at riseup.net> wrote:

> Hi.
>
> We have a Takagi TK Jr. and think it's great. Yes on the couple
> seconds longer for hot water to arrive. Ours is a "Jr" which means
> it's really meant for cabin size but without any intentional planning
> on our part our hot water demand has only exceeded it once in four
> years (shower, tub, washer, and dishwater all at once -- the water
> went lukewarm...a lot nicer than the freezing blast from an emptied
> conventional tank!)
>
> Couple of things to look for:
> ignition options that I'm aware of are pilot (least efficient), spark
> (more efficient but won't work when electricity is out), and
> hydro-ignition (energy from the running water actually sparks the
> ignition - a little harder to find, last I checked a bit more expensive)
>
> another nifty feature is thermostatic control. If there's a likelihood
> you might preheat your water (e.g. from solar or wood stove) this
> adjusts the heat or water flow (not sure which) so that it is only
> heated to a certain temperature (such as 120 degrees). The standard
> models just automatically heat the water by a certain amount (assume
> your incoming water will be underground temperature, or ~50 degrees,
> and therefore raise it by 70 or 80 degrees as it flows through - which
> would be a problem if you had already preheated it to 80...)
>
> For the distant faucets you can also get little booster units that
> heat the water at the faucet until the hot water arrives. I think
> they're called something like chile peppers?
>
> ej
>
>
>
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