Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > HVAC

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 09-07-2011, 12:50 PM   #1
Member
 
Join Date: Jun 2009
Posts: 39
Rewards Points: 25
Unhappy

Rheem 40gal water heater - Pilot won't stay light...thoughts ?


Hi,

I have Rheem Fury 40 gallon water heater.

Model # 41V40-34PF
MFG : 12/2003

I had to shut off gas to water heater during the summer month for some other house repair. It was working perfectly fine then.

Now when I try to lit pilot light per instruction, it won't light up. I am able to see blue flame at pilot when I am pressing knob at pilot light and strike pizzo electric spark button. But after couple of minutes (as per instruction) when I let red knob(which is at pilot light) go as per instruction, it pops up as it should do BUT pilot light inside water heater (seen through glass little glass window) won't stay lit. It goes off.

Is it a bad thermocouple ?

Can a generic thermocouple be used in this water heater.
Honeywell 36 in. Lead Length Universal Gas Thermocouple CQ100A1005
$9.96 - The Home Depot

Or do I need to get Rheem thermocouple replacement kit ?

Thanks for taking time to reply.

-Anku

anku is offline   Reply With Quote
Old 09-07-2011, 01:15 PM   #2
Member
 
Join Date: Jun 2009
Posts: 39
Rewards Points: 25
Default

Rheem 40gal water heater - Pilot won't stay light...thoughts ?


Pilot viewing window looks like this :
http://www.diychatroom.com/attachmen...alve-below.jpg

anku is offline   Reply With Quote
Old 09-07-2011, 01:16 PM   #3
Member
 
Join Date: Jun 2009
Posts: 39
Rewards Points: 25
Default

Rheem 40gal water heater - Pilot won't stay light...thoughts ?


Control knobs looks like this in my water heater :

http://www.diychatroom.com/attachmen...alve-right.jpg
anku is offline   Reply With Quote
Old 09-07-2011, 02:44 PM   #4
Member
 
Join Date: Dec 2009
Posts: 608
Rewards Points: 500
Default

Rheem 40gal water heater - Pilot won't stay light...thoughts ?


I believe that you will have to buy the entire burner assembly. Before you do this, tap on the gas valve with a screw driver and then try relighting it, holding in the pilot for several minutes. I relight about forty to fifty hot water tanks per week, and have found that this often helps with the difficult ones.
hvac benny is online now   Reply With Quote
The Following User Says Thank You to hvac benny For This Useful Post:
anku (09-08-2011)
Old 09-08-2011, 10:59 AM   #5
Member
 
Join Date: Jun 2009
Posts: 39
Rewards Points: 25
Default

Rheem 40gal water heater - Pilot won't stay light...thoughts ?


hvac benny writes :
"I believe that you will have to buy the entire burner assembly. Before you do this, tap on the gas valve with a screw driver and then try relighting it, holding in the pilot for several minutes. I relight about forty to fifty hot water tanks per week, and have found that this often helps with the difficult ones."

Thank you very much 'hvac benny'. At first I was skeptical with your suggestion. But since you are professional and do this job day in and out, I decided you to it a try. As you suggested I tapped gas valve with screw driver 3 times on three sides (not very hard just gentle tap). After that I tried to relight pilot and to my surprise it stayed on. I was so delighted. I owe you a beer :-)

My water heater is working properly now. Once again thanks for taking time to reply.

-Anku
anku is offline   Reply With Quote
Old 09-08-2011, 11:07 AM   #6
Experienced
 
Jackofall1's Avatar
 
Join Date: Dec 2010
Location: Southern Michigan
Posts: 2,822
Rewards Points: 2,000
Default

Rheem 40gal water heater - Pilot won't stay light...thoughts ?


Ah yes, yet another satisfied customer to totally free advice network, where DIY'rs exchange experiences and know how, isn't it a wonderful thing!

Mark
__________________
When its all said and done there is usually more said than done
Jackofall1 is offline   Reply With Quote
Old 09-08-2011, 01:52 PM   #7
Member
 
Join Date: Jun 2009
Posts: 39
Rewards Points: 25
Default

Rheem 40gal water heater - Pilot won't stay light...thoughts ?


Absolutely, Mark. I have used diychatroom.com network so many times to solve various issues with my home appliance and pluming. I love this web site.
anku is offline   Reply With Quote
Old 05-25-2013, 11:10 AM   #8
Newbie
 
Join Date: May 2013
Posts: 2
Rewards Points: 10
Default

Rheem 40gal water heater - Pilot won't stay light...thoughts ?


Having the same issue with my Rheem Guardian. MOST times, it'll re-light when I go thru the process, but not always. Tried the tapping the side (the burner was cooking at the time) and it shut the flame off (it DID re-ignite, though). Is that normal? I've already replaced the t-couple - don't know if I could've gotten a bad one, or if the tank has other issues.
Great forum, and great help.....THANKS !!

G
guspsi is offline   Reply With Quote
Old 05-25-2013, 04:15 PM   #9
Member
 
FClef's Avatar
 
Join Date: May 2013
Location: Pennsylvania
Posts: 214
Rewards Points: 152
Default

Rheem 40gal water heater - Pilot won't stay light...thoughts ?


Quote:
Originally Posted by guspsi View Post
Having the same issue with my Rheem Guardian. MOST times, it'll re-light when I go thru the process, but not always. Tried the tapping the side (the burner was cooking at the time) and it shut the flame off (it DID re-ignite, though). Is that normal? I've already replaced the t-couple - don't know if I could've gotten a bad one, or if the tank has other issues.
Great forum, and great help.....THANKS !!

G
It is unlikely that it is a bad thermocouple, not impossible though. Sounds more like a weak gas valve.
FClef is online now   Reply With Quote
The Following User Says Thank You to FClef For This Useful Post:
guspsi (05-25-2013)
Old 05-25-2013, 11:15 PM   #10
Newbie
 
Join Date: May 2013
Posts: 2
Rewards Points: 10
Default

Rheem 40gal water heater - Pilot won't stay light...thoughts ?


Thanks FClef for the direction. Based on this being a 6-yr old tank (that exhausted its warranty less than a year ago - How do they do that??), should I bother trying to mess with the gas valve, or just bite the bullet and buy a whole new unit??? Again, thanks....
guspsi is offline   Reply With Quote
Old 05-26-2013, 02:55 AM   #11
how
Member
 
Join Date: Feb 2011
Location: Vancouver BC
Posts: 1,498
Rewards Points: 512
Default

Rheem 40gal water heater - Pilot won't stay light...thoughts ?


If you lightly tap on the gas valve and the pilot goes off then...

Confirm that your thermocoupler is properly hand tightened plus a 1/4 wrench turn into the gas valve. A loose one can shut down the pilot with the vibration of the valve rapping.
or
check if you have two wires dropping down from the gas valve to a little fitting connected to the inner door. If so, then loose connections to this fitting or that faulting limit control can also knock out the pilot with tank vibration.
or
You have a problem with the pilot electromagnet circuit in the gas valve.
It usually just better to change the tank with that problem since the removal of that valve is hard on the glass lining and that valve is expensive.

how is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Gas water heater - after long use pilot goes out. paulsaindon Plumbing 1 07-14-2011 04:51 PM
elevate electric water heater? crankbait09 Plumbing 18 04-18-2011 11:35 AM
Pilot light on water heater jbjones General DIY Discussions 3 04-13-2011 06:30 PM
Rheem Water Heater Questions 1972gs455 HVAC 0 01-15-2010 09:44 PM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.