[Shop-talk] instant water heater

[Benjamin Zwissler]

You might want to consider a "point-of-use" unit.  They're essentially
small tank style heaters that can easily fit under a sink.  The reason I
recommend this is that they can heat the water with less power so you don't
need 220V.   I see several 110V units on Amazon from Bosch and Rheem for
$200-300 that hold a few gallons of water.

I also saw a few cheaper no-name units that claimed to be tankless and
3000W, but had a normal 110V plug.  You can't pull more than 15 A at 110V
from the plug shown and that limits you to about 1650W.  At that power I'm
not sure how hot you could get the water if they are truly tankless.  It
would take the chill off but may not make it "hot".   Anyway, one lie makes
me question everything they say, so buyer beware.  The Bosch unit said
1440W or 12 amps at 120V.  Very doable with "typical" wiring.

Ben



Ben Zwissler
bjzwissler at gmail.com
812-343-5533
Columbus, IN


On Wed, Dec 13, 2023 at 9:53 AM john <jniolon at att.net> wrote:

> Tired of water in my shop sink being so cold in the winter that my fingers
> lock up when I wash my hands...Thinking
> about a tankless water heater... Will have limited use, not like a unit in
> a home and it can't break the bank.
>
> 110 v vrs 220 v. ??  I can wire both but it's a pain to do in a cramped
> attic and 76 year old body...
>
> what's best ??  suggestions ??
>
> thanks
> john
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