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Not enough hot water--need help!
Hi--thanks in advance to all who can help me.
Background: I am married with three girls. They take showers that are usually longer (wash hair!). Typically 2 showers run in my house at same time. We also have dishwasher, laundry, etc. But usually dont run together.
I have a lennox boiler with 113k btu output (140k btu input).
I had a separate gas hot water heater (GE 75 gallons). It turned 14 years old recently, and instead of it waiting to break, I decided to replace.
Doing some research, and hearing from some friends, I investigated installing an indirect hot water heater system. All the #s I saw showed that the output of the indirect would be greater than a gas hot water heater.
So I bit the bullet, had my boiler rewired with a priority switch, repiped to the new Heat-Flo 60 gallon I purchased. It included a mixing valve as well.
The mixing valve is set at 115 degrees F.
The Heat-Flo is set at the maximum 160 degrees F.
I had all plumbing and electric double checked.
The problem: when 2 showers are running, within 20 minutes, we run out of hot water! When I had my gas hot water heater this did not happen! I had the heat-flo inspected by the company to confirm there is nothing wrong with it. The only thing they could tell me is that even though my boiler is rated to put out 113k btus, its 13 years old and could be putting out less.
I am really upset. My family is so frustrated that we spent so much to switch over and yet we now have less hot water than we had previously with a seperate gas hot water heater. I am throwing my arms up at this point and giving up. My only last option is to rip out everything I did and go back to a seperate high-output gas hot water heater.
Hoping maybe the experts here could possibly come up with something to solve my issue!