Quote:
Originally Posted by SuperD
Tankless water heaters have a series or coil of pipes to absorb heat quickly from the flame. The faster the water flows the less time it has to absorb heat. I disagree with the person at Girard, the tankless heater depends more on flow rate than it does on pressure. I've used many tankless heaters in 3rd world countries, if you turn the water up its cold, turn it down its hot, pressure stays the same, only the flow rate changes. Pretty simple
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That maybe the case but I'm guessing that this tankless heater has a "minimum flow" switch and doesn't come on until the flow hits that rate (which, it would appear, is slower than a single faucet).