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Bradford White gas power vent water heater; just replaced power vent motor and fan assembly because a bearing went out. Now the new fan motor runs constantly without igniting. Is there a switch that might not be working?

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Some how you have disconnected the sensor that tells the main burner that the fan is on. Its trying to light but cant. On some models there is a air pressure switch that reads the pressure inside the vent pipe itself. It will have a small hose on it and if that has cracked or was not replaced it wont light. This is how its supposed to work--- vent fan comes on,sensor confirms fan is on,hot surface ignighter starts to glow red,and main burner is opened,another sensor confirms that main burner is lit,then hot surface ignighter turns off. Hope this helps.

Posted on Jan 12, 2013

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Posted on Jan 02, 2017

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  • 70 Answers

SOURCE: bradford white 15 yr old power vent runs constant

pilot light will stay on if it is a standing pilot. Turn water heater aqustat down and plug back in. you probably need to clean water heater or replace it. i have drained down a couple of them and took out gas valve and cleaned and put back in worked fine. If you get me a model # i can look it up and tell you some things to try. not sure on yours if it has a different temperature control or if the gas valve is a dual control .

Posted on Feb 09, 2009

bearsfan7538
  • 119 Answers

SOURCE: Bradford White LP water Heater Power vent ,flame keeps going out

flue is overheating make sure outlet is not obstructed outside and if not that you feel a good air flow coming from it

Posted on Nov 15, 2009

  • 102 Answers

SOURCE: Bradford White hot water heater - burner lights only 30 seconds

The slightly warm water makes me think of a thermostat problem. The fact that the heater is 10 years old I wonder how hard your water is. Calcium build up kills water heaters. But the yellow flame you mention could be the results of dirty orfices. May want to have a Pro look at that.

Posted on May 05, 2010

  • 9 Answers

SOURCE: rheem power vent motor doesn't shut off

There could be blockage in your water heaters venting on the outside of the home. It sound like the high limit switch has been tripped. Try unplugging the tank and plugging it back in. this will reset the tank. if the problem persists you will want to call your provider for service.

Posted on Jul 29, 2010

SOURCE: my fan on top of

Contact Bradford White and ask which blower is correct:
http://www.bradfordwhite.com/supportserv.asp

Get model number and serial number from label located on side of tank.
This information will help BW find exact information for your product.

Posted on Jul 29, 2011

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1 Answer

I have a ecosense tankless water heater #rtg-74pvn-2 how far can i take the vent


Feb 2013
1) Rheem/EcoSense tankless product manual does not have specifications for length. Error 11 will let you know if venting is improper.
Often, tankless are installed outside because unobstructed venting is key for combustion of the amount of gas coming out of 3/4" gas line.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

2) Copy following link for Bradford White venting: Exactly same as Rheem, but more installation detail. No maximum lengths given.
For lengths greater than 5 feet, a condensate trap must be installed. Acidic water from hydrocarbon combustion will damage metal, and destroy heat exchanger inside tankless if water drips back into unit.
http://hometips.me/Tls/Venting-Bradford-White-tankless-gas.pdf

3) Copy following link for tank-type power vent tables:
Generally, the longer distance requires larger vent diameter, and there is max number of elbows and/or air-flow restrictions.
http://hometips.me/Mar/Bradford-White-Power-Vent%20-tables.pdf

4) Otherwise call Rheem/EcoSense, and add comment saying what resources they offer.

Mar 06, 2013 | Water Heaters

1 Answer

Have 75 gallon gas water heater. Can I run 90 PVC off top power vent without vertical PVC first? Have Richmond unit.


1) I believe you can immediately elbow the PVC pipe.
There is a limit for how many elbows can be used between blower and termination, and limit is determined by diameter of PVC pipe.

2) Copy following link for venting resources and typical Rheem and Richmond power vent manuals, and diameter-elbow pdf from Bradford White.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#venting

3) Richmond is Rheem. Product manual will show specifications for venting.
Product warranty is voided if installation does not follow specifications shown in manual.

Feb 20, 2013 | Rheem Richmond 75 Gal Natural Gas 6 Year...

1 Answer

I have a Bradford White water heater (model# MITW50L6LN10) that started making noise yesterday. Tonight when the family got home we started a bath for the kids and surprise surprise no hot water left in...


Probably cheaper to fix existing water heater.
The problem might be the power vent, or the power vent might be short cycling because the gas control valve is bad, or vacuum switch has gone bad.
Call Bradford White and get their recommendation for your specific model.
http://www.bradfordwhite.com/contact.asp
http://www.bradfordwhite.com/supportserv.asp
http://www.bradfordwhite.com/findaserial.asp

Bradford White is very good brand of water heater
Rheem, Richmond, GE are good.
I prefer the AO Smith, American, State, Reliance, Craftmaster. Kenmore, Whirlpool brand since air intake screen is located on bottom of unit and can be inspected and cleaned without removing burner.

Feb 09, 2013 | Water Heaters

1 Answer

Rheen PVW50 Hot Water Heater Making Buzzing Noise and Doesn't Light


Why is it always Rheem problems?
Every water heater problem is Rheem.
And Rheem doesn't post any service manuals, like the other two big manufacturers, AO Smith-American, and Bradford White.

Copy following link for troubleshoot by gas control valve.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent

Scroll up and find pressure switch heading among links.

You can install gas control valve yourself.
http://waterheatertimer.org/pdf/How-to-replace-water-heater-gas-valve.pdf

Sep 06, 2012 | Rheem Water Heaters

1 Answer

How do you test a safety magnet on a robert shaw gas valve


Bradford White:
Bradford white service manuals:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://www.bradfordwhite.com/documentation/residential/gas.asp

Depending on age of water heater, The air intake may need to be cleaned.
Remove combustion parts and use compressed air to clean arrestor screen located bottom of combustion chamber.
Get more fresh air to unit.
Check gas pressure.
Check color of flame, should be clear blue and not lazy yellow.
Install new gas control valve.
http://waterheatertimer.org/pdf/How-to-replace-water-heater-gas-valve.pdf

Aug 28, 2012 | Water Heaters

1 Answer

I have a Bradford White model# MITW50L6CX10, serial# TA4176718-130-131, 48 gal., gas, power vent. The vent is running constantly, and when the burner lights it burns erratically even going all the way out...


1) First suspects include Honeywell icon gas control valve, loose-or-bad wiring, and dirty burner parts.

2) MITW50L6CX10 blower number is 239-39785-00. Blower is working, but communication between blower and gas control valve are suspect.
Water heater has 6 year warranty
Water heater was manufactured January 1999.
http://www.bradfordwhite.com/findaserial.asp

3) Typical service manuals for M-1-TW-50 TTW series show how to test and replace Icon gas control.
Multimeter is required for testing.
Also shows how to clean burner parts and combustion chamber and air intake to catch up on regular maintenance.
http://www.bradfordwhite.com/images/shared/pdfs/manuals/46238-A.pdf
http://www.bradfordwhite.com/documentation/residential/gas.asp

4) Take a moment and rate answer:
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

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My fan on top of my bradford white water heater model mitw40L6en13 went out. What kind of of exhaust/blower should i get to replace it? Thank you


Contact Bradford White and ask which blower is correct:
http://www.bradfordwhite.com/supportserv.asp

Get model number and serial number from label located on side of tank.
This information will help BW find exact information for your product.

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Loud blower on my new Rheem Power Vent 2 water heater


find out if it does the same noise with the venting disconnected

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Bradford White LP water Heater Power vent ,flame keeps going out


flue is overheating make sure outlet is not obstructed outside and if not that you feel a good air flow coming from it

Oct 02, 2009 | Water Heaters

1 Answer

Bradford White LP water Heater Power vent Will not stay lite. I took off the pipe to the power vent and it will stay lite for a little while. Then it turns off and turns back on. The pipe is not pluged....


does the fan come on, if not there is a problem with the circuit board, if it does then there is a problem with the gas valve or a wire from the gas valve to the fan , if the fan doesn't come on the gas valve is told not to open to light thru the circuit board,

May 03, 2009 | Water Heaters

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