hotwater heater? I work at a small school in northeastern Washington state. We are looking at replacing out hotwater heater. It supplies a kitchen that has on sink and a Hobart dishwasher/sanitizer. It also supplies two bathrooms that the students use. We have 3 small buildings that use between 40-50 gallons a day. This building, with the kitchen, uses a majority of that. As best I can figure, the peek flow rate for this building is 5-6 gal. per. minute. The building is wired 208 volts. The water also comes in very cold, mid to high 30 degree range. The waterheater that is in that building now is a Sear’s 80gal high efficiency set-up for 240 volts. This heater has not been able to consistently maintain a high temperature. By 11 am the kitchen has under 100 degree water at the sanitizer. So any suggestions on brands to look at would help. I am open to tank and on demand heaters. thanks
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I am assuming that you have turned up the thermostat on the heater and I am assuming you have no gas in the building. With those assumptions, I recommend that you talk to your plumbing distributer about a commercial electric heater which be sized to have a much higher recovery rate.
Bill
When I read about the incoming water and how the water was less than a hundred degrees by noon I though of a previous post where a plumber wanted to run two heaters in tandem. Basically all that cold water coming in the tank is diluting the hot water and as the tank is trying to recover it cant because a demand is still being placed on it. So you have 208 service? Hmmmm... why not place a H.H2O 208v water heater after the 80 gallon tank? Since the water coming out of the 80 gallon tank is still more than 70 degrees the H.H2O can boost it back up to 120-140 degrees with no problem at all. For more info go to howardharrisbuilders.com
You just need to find room for it but it really isn't that big.
Handyman, painter, wood floor refinisher, property maintenance in Tulsa, OK
As a start get the heating elements replaced with 208 volt units. You are only getting 1/3 the power if it still has the 340 elements.
Checkout eemaxinc.com.
They sell electrical tankless water heaters which would handle your needs.
butch