Re: tankless vs. storage hot water heater
Posted by kevin on July 22, 2001 at 21:31:12:
In response to Re: tankless vs. storage hot water heater
I had a bad experience with the tankless water heater. When installing the system I was warned to purge the pipes of air pockets, which I did. I'm not connected to any city water supply system, I have a cistern with a whole house filter. My problems came into play when replacing the filter, remembering to turn off the heater at the breaker box then purge the line of any air at the nearest faucet. Or if the cistern is empty the pump runs dry, then (after water delivery) while priming the pump air is introduced into the water lines. The air pockets tend to collect at the heater and burn up the non-replaceable thermal sensor. If there was some way the unit could shut down the heater elements until the unit does not detect any air, the unit would probably work out. But, after one incomplete purging of air the unit burned up. The company that sold me the heater said they would warranty the heater, but it would take 3-4 weeks before a replacement could be sent. I was not going without hot water for that long. I'm content with my big-tanked water heater, for now.
: I am building a new 3100 sq ft house that will have 3 1/2 baths including a whirlpool tub. It is feasible that we could have a shower, dishwasher, sink and washing machine all going at the same time. We had been planning on installing 2 40-50 gallon propane gas water heaters, but then started noticing tankless water heaters. Would you recommend one (or two) tankless heaters for a new residence such as ours?
: Thanks!

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