In article ,
Oren wrote:

On Thu, 06 Aug 2009 13:41:13 -0700, Smitty Two
wrote:

In article ,
Oren wrote:

On Thu, 6 Aug 2009 13:19:56 -0700 (PDT), bob haller
wrote:

just wait for a storm and power failure, with tankless no hot water at
all......


Not with gas units. They have a spark igniter - just like your gas
grill. Gas works when the power is out!

Ain't the spark powered by 120 VAC?


I'm the last person to ask that question. I am told that striking a
match will light the pilot on a gas unit.

On a stove, sure. On a tankless water heater it might be a little more
difficult.


"The Bosch engineers have proven that water can indeed make fire. The
pilot is ignited by a super-concentrated spark generated by a
micro-turbine. The micro-turbine is activated by a request for hot
water in the house."

I never knew about turbines, but tankless systems have gotten better
over the years.

Imagine that. Power is out and the gas unit fires up!

Is this technology in the lab, or in the showroom?