The only ones I've seen have been gas powered. One safety/economy feature that I haven't decided if I like is the minimum flow rate before it will fire. They have or let's say some have, so we don't get out of hand here, some have a minimum of 2.5 gallons per minute flow rate before they will fire. I'm guessing this is so a dripping faucet won't keep the heater running all the time. But you have to turn on a pretty good blast to reach 2.5 gallons per minute.
I've really only seen them in a commercial setting before. I know they are getting more popular in houses I just haven't been around any in the house yet. The commercial ones I saw worked in a restaurant and were strong enough to keep their dish washer running with water at 160 degrees F. Pretty impressive recovery rate. ----- Original Message ----- From: [EMAIL PROTECTED] To: blindhandyman@yahoogroups.com Sent: Saturday, March 22, 2008 11:57 PM Subject: Re: [BlindHandyMan] Why Choose a Tankless Water Heater? Okay, in the described package, there must be a super heating system. Are they all electric? if not, do they use super thin, and thin walled tubing? I can imagine the water flow for a shoer could overwhelm a unit without tricks up it's sleeving. How do they work? How about for filling a bathtub? Would a house have one for each bathroom, and then general purposes a larger one? On Sun, 23 Mar 2008, Ray Boyce wrote: > Q: I'm considering replacing my old water heater with a tankless version. > Are these things all they're cracked up to be? > > A: Tankless water heaters are likely the wave of the future for residential > hot water. It's the difference between having a "smart" water heater or a > "dumb" one. Tankless heaters offer on-demand convenience. Because these > heaters don't have a holding tank, water is heated on an as-needed basis, > not heated and stored for hours like a traditional tank. This reduces energy > loss from sitting water and also guarantees you'll never be cold if you're > the last one in the shower. Plus, tankless heaters are powerful, yet > compact. Most can be wall-mounted inside or outside the home. Although sizes > vary, the average tankless unit is about 24 inches high, 18 inches wide and > 9 inches deep-significantly smaller than the traditional 40-gallon tank. > Plus, with many tankless units you can dial in the water temperature with a > digital controller. > > > > > > > > [Non-text portions of this message have been removed] > > [Non-text portions of this message have been removed]
