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Old 07-10-2009, 10:58 AM   #1
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Electric hot water heater


Does anyone know if there is a ELECTRIC hot water heater that reaches 180 degrees.

Thank you


Why would Health Codes request 180 degrees for hand washing. Doesn't make sense if the washer will get burned.

Last edited by CORNUCOPIA; 07-10-2009 at 05:57 PM. Reason: add on
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Old 07-10-2009, 02:15 PM   #2
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Yeah, after the tstat malfunctions and just before it explodes. The T&P valves are set to blow off at 150. You do NOT want a 180 degree water heater for a residence, do you?
Mike
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Old 07-10-2009, 02:30 PM   #3
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Mike, thank you for responding. The heater is for a cafe and will only be used for a three bin sink. Would you believe none of the plumbers I've spoken with told me this. Too bad your not on Long Island. Take care.

Linda
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Old 07-10-2009, 02:32 PM   #4
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Mike, thank you for responding. The heater is for a cafe and will only be used for a three bin sink. Would you believe none of the plumbers I've spoken with told me this. Too bad your not on Long Island. Take care.

Linda
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Old 07-10-2009, 02:39 PM   #5
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You may want to check this out before you go attempting something like that:
http://customer.honeywell.com/WaterC...rt/Default.htm

At 160+, you're bordering on commercial dishwasher temperatures.

Last edited by jerryh3; 07-10-2009 at 02:41 PM.
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Old 07-10-2009, 03:39 PM   #6
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There are commerical water heaters that will give you the water temp you need
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Old 07-10-2009, 03:45 PM   #7
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Quote:
Originally Posted by kenmac View Post
There are commerical water heaters that will give you the water temp you need
But, aren't those usually for supplying equipment that require high water inlet temperatures or for installations that have high heat loss in the run?
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Old 07-10-2009, 04:08 PM   #8
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Quote:
Originally Posted by jerryh3 View Post
You may want to check this out before you go attempting something like that:
http://customer.honeywell.com/WaterC...rt/Default.htm

At 160+, you're bordering on commercial dishwasher temperatures.
Thanks for the link; here's my temps for adults, mostly from Shriners' data.

ideal shower temp 32-43C
no burn ever at 42C
burned in 30 sec at 54C
5 sec at 60C
1 sec at 71C

7 kW should handle 20 gals w/1 hour recovery time, from 40F incoming to 180F outgoing. For sure you'll need 240v.

Last edited by Yoyizit; 07-10-2009 at 04:19 PM.
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Old 07-10-2009, 08:50 PM   #9
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Quote:
Originally Posted by jerryh3 View Post
But, aren't those usually for supplying equipment that require high water inlet temperatures or for installations that have high heat loss in the run?


No. It would be used in commerical applications where hot water has to be 180 deg. for sanitization purposes.


I would suggest you contact your local power provider.. They may give you a break on a new elec. water heater. Since, your installing in a restaurant..

Last edited by kenmac; 07-10-2009 at 08:54 PM.
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Old 07-11-2009, 04:07 AM   #10
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I have national grid coming next week. They don't deal with electric hot water heaters but we're going to check out the feasibility of installing a gas one. (run new gas lines, vent, etc). It would be easier mentally if we owned the bldg. lol

Thanks for all the information. You gentlemen are great.

Take care
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Old 07-11-2009, 08:19 AM   #11
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Quote:
Originally Posted by CORNUCOPIA View Post
I have national grid coming next week. They don't deal with electric hot water heaters but we're going to check out the feasibility of installing a gas one. (run new gas lines, vent, etc). It would be easier mentally if we owned the bldg. lol

Thanks for all the information. You gentlemen are great.

Take care
If you are converting to gas .. You may want to look into installing a tankless
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Old 07-11-2009, 08:23 AM   #12
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Originally Posted by kenmac View Post
If you are converting to gas .. You may want to look into installing a tankless
I was considering the tankless. I was completely trying to avoid converting but we haven't any choice.

Thanks for your advice
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