S scubadvr_69 Member Jun 11, 2010 #1 How do you calucalate a tankless hot water heater for a full home heater. I have not done this and I have a friend who wants to add one to a home he is remodling. He has a 200 amp service and the heater is 240 and 125 amps.
How do you calucalate a tankless hot water heater for a full home heater. I have not done this and I have a friend who wants to add one to a home he is remodling. He has a 200 amp service and the heater is 240 and 125 amps.
S suemarkp Senior Member Location Kent, WA Occupation Retired Engineer Jun 11, 2010 #2 It goes in at full nameplate. You'll probably need to use the Optional calculation, as the standard one may put it in at 100%.
It goes in at full nameplate. You'll probably need to use the Optional calculation, as the standard one may put it in at 100%.