How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Billy Your Own Question

Billy
Billy, Mechanical Contractor
Category: Plumbing
Satisfied Customers: 19656
Experience:  State Licensed Mechanical Contractor
Type Your Plumbing Question Here...
Billy is online now
A new question is answered every 9 seconds

We just drained our A O Smith ProMax Electric Hot Water Heater.Now

Resolved Question:

We just drained our A O Smith ProMax Electric Hot Water Heater.Now it won't heat. What is the problem and what do we need to do? We turned off the electricity connected the drain hose, basically followed the instructions in the manual.
Submitted: 4 years ago.
Category: Plumbing
Expert:  Billy replied 4 years ago.
Chat Conversation Started
Billy :

Did you wait until the tank was full to turn power back on?

Customer:

No

Billy :

If the elements got power before the water covered them, then they are most likely burned out. You can ohm them with a meter...or just replace. Check the reset button on the thermostat just in case

Customer:

Where is the reset button?

Billy :

Most electric hot water heaters have two thermostats, one near the top of the tank and one near the bottom, and are covered by removable metal cover plates. The thermostats are pressed firmly against the bare metal wall of the hot water heaters tank.


The top thermostat usually has a high limit switch that will trip if the water gets too hot. When it trips it shuts off the electricity to both the upper and lower heating elements.


To reset the high limit switch there is usually a red button that you must press.

Customer:

Pressed the top reset button. Now what?

Billy :

That would be it....if it does not reset..then odds are the elements burned out. do you have a electric test meter?

Customer:

How long should it take to heat after pushing the reset button. Or will the elements need to be replaced? This heater is only 3 years old.

Customer:

No. How hard is it to change the element.

Billy :

IF the elemnts are not bad you would see warm migration to hot pipe within 10-15 minutes. To change elements requires to drain again...unscrew the 2 elements and replace...fill fully and restore power. There are only 2 wires to each element so wiring is basic. It is just time consuming to drain...

Customer:

Where are the elements located? Since we have two do we replace both/

Billy :

sorry for delay....you have 2 raised panels on the side of the tank. The elements are under those 2 panels

Billy :

And replace both...unless you can get them tested for cotinuity

Billy :

continuity...sorry...ie: make sure they are good with a test meter

Customer:

Ok. Thank you. we will check and change tomorrow.

Billy :

I wish you luck...I hate it when one of my projects take "a left turn"

Customer:

Instruction booklet needs to have better info in them. The one we had did not say anything about filling the tank before turning on the electricity. Again thanks for your help. Now we know were to go from here.

Billy, Mechanical Contractor
Category: Plumbing
Satisfied Customers: 19656
Experience: State Licensed Mechanical Contractor
Billy and other Plumbing Specialists are ready to help you
Expert:  Billy replied 4 years ago.
Chat Conversation Ended

Your expert is gathering additional information and will be back with you shortly.
Expert:  Billy replied 4 years ago.
Let me know if you need further assistance

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future. Jimmy Bagley, IA
< Last | Next >
  • You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future. Jimmy Bagley, IA
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex Los Angeles, CA
  • Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult. GP Hesperia, CA
  • I couldn't be more satisfied! This is the site I will always come to when I need a second opinion. Justin Kernersville, NC
  • Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around. Esther Woodstock, NY
  • Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know. Robin Elkton, Maryland
 
 
 

Meet The Experts:

 
 
 
  • Marc

    Plumber

    Satisfied Customers:

    996
    Plumbing heating & home maintenance contractor
< Last | Next >
  • http://ww2.justanswer.com/uploads/VE/Veillplumb/2011-8-31_155028_IMG1104.64x64.JPG Marc's Avatar

    Marc

    Plumber

    Satisfied Customers:

    996
    Plumbing heating & home maintenance contractor
  • http://ww2.justanswer.com/uploads/plmqwk/2010-08-28_151844_profile_pic.jpg Plmqwk's Avatar

    Plmqwk

    Master Plumber

    Satisfied Customers:

    850
    20+ years in plumbing field. Licensed master plumber, commercial plumbing inspector
  • http://ww2.justanswer.com/uploads/JE/jerrymassie/2011-1-15_45937_1111055.64x64.JPG Jerry's Avatar

    Jerry

    Plumber

    Satisfied Customers:

    777
    over 20 years residential plumbing experience.
  • http://ww2.justanswer.com/uploads/PL/plumber171/2011-8-13_11445_plumber.500x500.64x64.jpg Mario's Avatar

    Mario

    Master Plumber

    Satisfied Customers:

    604
    Master Plumber, Fire Sprinkler, and Jobbing Spec.
  • http://ww2.justanswer.com/uploads/ABSBoss/2009-03-25_163017_2007-1031_046.jpg Bud's Avatar

    Bud

    Plumber

    Satisfied Customers:

    538
    22 Years Field Experience - 17 Years Business Ownership - Residential or Light Commercial
  • http://ww2.justanswer.com/uploads/TH/theplumber717/2011-11-24_34039_DSCF7012.64x64.JPG Theplumber717's Avatar

    Theplumber717

    Plumber, Hvac Tech

    Satisfied Customers:

    520
    Lic Plumbing contractor, 27/yrs res,com,repair,Universal HVAC Tech
  • http://ww2.justanswer.com/uploads/skibum0101/2008-12-16_015819_just_answer.jpg Rick Mather's Avatar

    Rick Mather

    Building Inspector

    Satisfied Customers:

    494
    Assistant Building Official, HVAC Tech