|Posted by Sri Shan on October 04, 2003 at 18:31:04:|
|In response to Re: Takagi tankless water heaters|
: Does anyone know how to install a Takagi tankless? I installed one yesterday but it runs hot then cold. Also the computer appears to read celcius in numbers but has an "F" for fahrenheit. Help! Eileen
The T-k1 might be a single point of use commercial apps unit. That could be the problem.
Quote from Takagi on the t-k1s:
'Designed for single-use commercial applications, the T-K1S provides 190,000 BTUs of continuous heat'.
The unit i was looking at was the T-KD20 which is similar to the T-K2 with the exception that the T-KD20 has duel vents; the second vent is to bring outside air into the heater for combustion.
I live near Milwaukee Wisconsin and the ground water is 50f. With a 50 degree rise, the Takagi T-KD20 will provide 6gpm. With a 70f rise, the GPM is 4.5 GPM. For 40F ground water you are looking at just over 5GPM for 100F water output and about 3.8 GPM for 120F water.
Just an example:You can get 50 GPM from a Tank (hypothetically) but if its a 75 gallon tank well in less than 1.5 minutes you are out of hot water.
GPM usage is depended on the appropriate Temperature Rise/ output you desire.
Tankless are really the future and its suprising why people here still use Tanks; its obsolete technology.
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