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I have a one year old john wood hot water heater and it won't come off vacation mode over tried to reset it but it just keeps going to vacation what can I do

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Posted on Jan 02, 2017

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1 Answer

How do I set ao smith pro max model ect 52 on vacation mode


No vacation mode in this heater. I have used this for last 5 years.

Dec 18, 2014 | AO Smith A O Smith Water Heater Hot...

1 Answer

Vacation mode hot water heater


GE is made by Rheem.
Sounds like water heater is short cycling.
Copy following link to troubleshoot by type of gas control valve, including error codes, and instructions how to replace each type of gas control valve.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
Unforturnately Rheem does not post service manuals, and refers customers to call service technicians... so wonder where these guys get service manual... or maybe they guess at it.
However 2 year old water heater is under warranty. The date of manufacture shows on poduct label serial number. 3rd and 4th digit of serial number are year of manufacture. Parts are covered in second year. Rheem might require plumber to validate single-family residential installation.
In any case other companies post service manuals that cover same gas control valves. These manuals apply to Rheem.
Only difference between Rheem/GE and other brands is type of FV system.
If the air arrestor screen gets clogged (not likely with new heater), the intake air slows down causing vent to slow down. Same amount of gas is still being released and burned, causing combustion chamber to overheat. As a result, the TRD glass vial breaks and air intake trap door springs closed. At this point the gas control valve will usually signal error flashes indicating lockout. Shutdown is usually less problematic to homeowner than allowing too much gas to accumulate inside burner at once, causing risk of explosion. Gas appliance are dangerous without doubt.
Call plumber to check everything might be safest route, especially since low gas pressure is one possible cause of short cycling. And you will be comfortable afterwards knowing who to call and that gas appliance is check out professionally not to have defects that will cause problems down the road.

May 28, 2013 | Water Heaters

1 Answer

I have a John Wood one pipe power vented hot water heater. The model number is Jw840nvh-fv-04. Recently I've been smelling products of combustion coming out the top of the tank where the vent is


1) Copy following link for troubleshoot resources by type of gas control valve, Venting resources, and pro water heater forum:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html
http://www.thetankatwaterheaterrescue.com/forums/forum3/

2) This odor can indicate incomplete combustion due to lack of air supply. Get more fresh air to unit. Check that flame is clear blue color. John Wood is American/AO Smith product so air intake screen is located on bottom of unit. Use mirror and flashlight to inspect. Clean with compressed air ad or feather duster.

3) Jw840nvh is 40 gallon natural gas. Natural gas is lighter than air and rises upward, unlike propane gas that is heavier than air. Install gas detector at height correct for type of gas.

4) For safety, install CO carbon monoxide detector

5) Review product manual for correct vent lengths and diameters.

Feb 02, 2013 | Water Heaters

1 Answer

My white rodgers control panel is set on vacation (green light) is on. I have held down the arrow buttons to get it off of vacation mode but it is not working. Obviously i need to switch it off as we have...


Water heater and gas valve are not clear:
Add a comment with description of water heater and gas valve for possible help.

Open following link for White Rodgers intelli-vent gas valve thermostat:
http://waterheatertimer.org/pdf/Intelli-vent-gas-valve2.pdf
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html#Intellivent

1) Typical instructions for Kenmore and AO Smith water heater with Intelli-vent say:
Set on-off switch to ON position.
Hold down both arrow buttons for 1 second.
Then press hotter button.

2) Also check that 120Volt electrical outlet has power, and check outlet with cheap circuit analyzer from home center.
3) If Intelli-vent gas valve thermostat is malfunctioning, and won't reset, then contact manufacturer of water heater for replacement gas valve.
Label on side of tank will have Model number, manufacturer, type of gas LP NG, serial number for part ordering.

Add a comment for more help.

Jun 10, 2011 | White Rodgers Water Heaters

1 Answer

After a power outage, the water heater continues to go into vacation mode and we can't keep hot water in the house. Any suggestions before we have to spend 100 for a plumber to come and spend 2 minutes to...


Ideally you have the original operating guide that came with the unit. The guide should show the location of a reset button and explain how to reset it to original factory settings.
If you don't have the guide, open the control door and see if instructions are printed on the inside of the door. If not look for small (usually red) button behind door and depress to reset.

Jun 05, 2010 | Water Heaters

1 Answer

I have a rheem water heater and it has went into vacation mode and i have no hot water. how do i get it out of vacation mode


Do you have the model number? There is usually a temperature control knob on the heater that you turn to VAC, that just keeps it lit. Usually, setting it to 120°F is adequate.

Apr 06, 2010 | Water Heaters

1 Answer

Does vacation mode still leave the pilot on so you don't have ot relight it. I want to put up the themostat 2x or 3x a week and save on gas bills as I'm not home too much. How long will the water stay hot.


Yes the pilot should stay lite in vacation mode, just know yhat a strong wind down the pipe could blow it out. As far the temp. of water just to many variables, but if heater isn't real old it should be able to recover in a very short time

Nov 06, 2009 | Water Heaters

1 Answer

Hello, thermostate will not stay lit. vacation


Hello, if your going on vacation any way, just shut the power to it off at the breaker box and deal with it later.

Jul 07, 2009 | Fasco Bradford White Hot Water Heater...

1 Answer

No hot water.


Please get an expert in - this is either the breaker is faulty or you have an electric fault int he boiler. You can try and replace the breaker - but match the current rating. But this could be dangerous if you keep trying to reset.

Jan 25, 2009 | Rheem Tankless Hot Water Heater...

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