Go Back   InterNACHI Inspection Forum > Specific Inspection Topics > Plumbing Inspections

Notices

Plumbing Inspections Contains discussions about plumbing.

Reply
 
LinkBack Thread Tools
  #1  
Old 5/7/08, 9:23 PM
Gregory A. Liebig's Avatar
Gregory A. Liebig Gregory A. Liebig is offline
InterNACHI Member
 
Join Date: May 2006
Location: Sheboygan, WI
Posts: 759
Default Unitrol Gas Valve Leaks-Water Heater

I've run across several of these valves that my Bacharach LEAKATOR 10 on the top of the control valve. This valve is the only one that I get a reading on. They usually are on Richmond water heaters (but not always) and the dates have ranged from 2002 on up over many years.

I know the R110 Gas Control Valves being recalled are installed on natural and liquid propane (LP) gas water heaters. The recalled valves were manufactured between July 25, 2005 and August 14, 2005 with production date codes 5-31 through and including 5-33, although not all valves with these date codes are affected.

I have had clients call and get replacement valves overnighted to them based on the inspection results that are NOT part of the recall. I'm just curious if anyone else has any additional info on this. See the pic.
Attached Thumbnails
unitrol-gas-valve-leaks-water-heater-unitrolvalve.jpg  



Greg Liebig, Owner
Sheboygan Wisconsin Home Inspector

4-Square Home Inspections, LLC
Where Knowledge will put your Mind at Ease
Sheboygan, WI 53081
(920) 451-4646

www.sheboyganhomeinspector.com
www.4squarehi.com
Like Us on Facebook
Follow Us on Linked-In

Last edited by gliebig; 5/8/08 at 2:54 PM.. Reason: Added picture to original Message
Reply With Quote
  #2  
Old 5/8/08, 12:02 PM
iniquette's Avatar
iniquette iniquette is offline
InterNACHI Member
 
Join Date: Jan 2008
Location: Markesan, WI
Posts: 1,795
Send a message via ICQ to iniquette
Default Re: Unitrol Gas Valve Leaks-Water Heater

Greg, we need a pic. Or am I not seeing it? thanks.



Ian Niquette
Square One Home Inspection
Markesan WI 53946
www.squareonehomeinspection.com
Active Rain Network
INACHI Awards Portal
Want To Exchange Links?



What we've got here is......failure......to communicate.....
Reply With Quote
  #3  
Old 5/8/08, 2:59 PM
Gregory A. Liebig's Avatar
Gregory A. Liebig Gregory A. Liebig is offline
InterNACHI Member
 
Join Date: May 2006
Location: Sheboygan, WI
Posts: 759
Default Re: Unitrol Gas Valve Leaks-Water Heater

I just had another one this morning on a 2007 Bradford White (That pic is attached). It wasn't as prevelant as the Richmond was yesterday.
Attached Thumbnails
unitrol-gas-valve-leaks-water-heater-unitrol2.jpg  



Greg Liebig, Owner
Sheboygan Wisconsin Home Inspector

4-Square Home Inspections, LLC
Where Knowledge will put your Mind at Ease
Sheboygan, WI 53081
(920) 451-4646

www.sheboyganhomeinspector.com
www.4squarehi.com
Like Us on Facebook
Follow Us on Linked-In
Reply With Quote
  #4  
Old 5/8/08, 3:01 PM
mnahrgang's Avatar
mnahrgang mnahrgang is offline
InterNACHI Member
 
Join Date: Apr 2007
Location: Springfield, OH
Posts: 5,797
Default Re: Unitrol Gas Valve Leaks-Water Heater

Was there enough leak that you could you smell the gas as well, or was it just detectable with your meter?



Mark Nahrgang
www.DaytonSpringfieldHomeInspector.com
www.HeyMark.info

Home Inspections for Springfield, Dayton, and surrounding OH areas.
Reply With Quote
  #5  
Old 5/8/08, 3:04 PM
Gregory A. Liebig's Avatar
Gregory A. Liebig Gregory A. Liebig is offline
InterNACHI Member
 
Join Date: May 2006
Location: Sheboygan, WI
Posts: 759
Default Re: Unitrol Gas Valve Leaks-Water Heater

I got a whiff on yesterday's heater. Today, the meter picked it up and I didn't smell anything from about a foot away. Should I be putting my nose on the valve??



Greg Liebig, Owner
Sheboygan Wisconsin Home Inspector

4-Square Home Inspections, LLC
Where Knowledge will put your Mind at Ease
Sheboygan, WI 53081
(920) 451-4646

www.sheboyganhomeinspector.com
www.4squarehi.com
Like Us on Facebook
Follow Us on Linked-In
Reply With Quote
  #6  
Old 5/8/08, 3:07 PM
mnahrgang's Avatar
mnahrgang mnahrgang is offline
InterNACHI Member
 
Join Date: Apr 2007
Location: Springfield, OH
Posts: 5,797
Default Re: Unitrol Gas Valve Leaks-Water Heater

No, just curious. I don't carry a gas meter with me. So I was just wondering if there was a reason you were testing these.



Mark Nahrgang
www.DaytonSpringfieldHomeInspector.com
www.HeyMark.info

Home Inspections for Springfield, Dayton, and surrounding OH areas.
Reply With Quote
  #7  
Old 8/26/08, 8:27 PM
Gregory A. Liebig's Avatar
Gregory A. Liebig Gregory A. Liebig is offline
InterNACHI Member
 
Join Date: May 2006
Location: Sheboygan, WI
Posts: 759
Default Re: Robertshaw R110 Series Leaking gas valve-Water Heater

Here's another one. I've found a high percentage (40% to 50%) of these control valves that leak natural gas indicated by the arrow. It's a model R110RTSP valve. I have not been able to find any contact information anywhere to inquire about this problem.

I know there was a recall on the R110 Series control valve Originally released 9/16/05 and I just noticed the recall notice was updated again 12/06/07.

Sometimes I can smell the leak, usually I pick it up with a Bacharach Leakator 10. This is the only control valve that I've found with this persistent of a problem.

Any help would be appreciated
Attached Thumbnails
unitrol-gas-valve-leaks-water-heater-robertshaw.jpg  



Greg Liebig, Owner
Sheboygan Wisconsin Home Inspector

4-Square Home Inspections, LLC
Where Knowledge will put your Mind at Ease
Sheboygan, WI 53081
(920) 451-4646

www.sheboyganhomeinspector.com
www.4squarehi.com
Like Us on Facebook
Follow Us on Linked-In
Reply With Quote
  #8  
Old 3/31/09, 3:16 PM
Scott C. LeMarr Scott C. LeMarr is offline
InterNACHI Member
 
Join Date: Aug 2006
Location: Muskego, WI
Posts: 36
Default Re: Unitrol Gas Valve Leaks-Water Heater

I have had many of these that I have found leaking too. The older brass shut off valves and the unitrol gas valves on water heaters I check right away! Sounds to me like there should be a recall on them.
I'm using a Tiff 8800.

The last one I did was a GE tank and the valve was leaking , the buyers were there with me as well as the realtor and heard the tiff "go off" the sellers called WIsconsin Energy and WE gave them a document that states "there are no natural gas leaks on the premises". I am going to try to get a copy of the statement. I may need to upgrade to a detector with a visual so that I can document it by photo.

Those of you not carrying a gas detector really should be. I have long since lost track of the amount of gas leaks I have found. One of our jobs is safety and checking for gas leaks really should be a normal function.
Attached Thumbnails
unitrol-gas-valve-leaks-water-heater-1334_089.jpg  



Scott C. LeMarr
Honest Home Inspections, LLC
Master Indoor Environmental Specialist (MIES)
Certified Mold Inspector & Assessor
Certified Weatherization Inspector for WI
262-424-5587
www.HonestHomeInspections.com
www.MilwaukeeMoldInspector.com
Reply With Quote
  #9  
Old 4/1/09, 12:44 AM
Gregory A. Liebig's Avatar
Gregory A. Liebig Gregory A. Liebig is offline
InterNACHI Member
 
Join Date: May 2006
Location: Sheboygan, WI
Posts: 759
Default Re: Unitrol Gas Valve Leaks-Water Heater

Hi Scott,
Thanks for your reply. I think there are many inspectors that don't have the equipment or maybe insensitive to natural gas

Quote:
Originally Posted by slemarr View Post
I have had many of these that I have found leaking too. The older brass shut off valves and the unitrol gas valves on water heaters I check right away! Sounds to me like there should be a recall on them.
I'm using a Tiff 8800..
There was a recall on these valves: http://www.4squarehi.com/safety.html
and I've found so many of these outside the "recall guidelines" I think there is a problem. I can say that because I've had clients call and there were replacement valves there the next day. Richmond, GE, and Bradford White...

Quote:
Originally Posted by slemarr View Post
Those of you not carrying a gas detector really should be. I have long since lost track of the amount of gas leaks I have found. One of our jobs is safety and checking for gas leaks really should be a normal function.
I'm very disappointed that there has been so little feedback from our fellow members and so little information from the manufacturer's on this subject. How much of a leak is an acceptable one???? Or should I ask who's willing to light the match to check it out? (BTW, I had a plumber do that!).

I've read more about chimney tiles, flashings, and loose toilets that can be even more of an obscure defect and this topic has not been discussed. However, as Scott mentioned, this can be easily detected with a minimal investment. No Questions Asked and the CLIENTS are greatful. Not being technically exhaustive since no ppm are descibed on my report. It either leaks or it doesn't.



Greg Liebig, Owner
Sheboygan Wisconsin Home Inspector

4-Square Home Inspections, LLC
Where Knowledge will put your Mind at Ease
Sheboygan, WI 53081
(920) 451-4646

www.sheboyganhomeinspector.com
www.4squarehi.com
Like Us on Facebook
Follow Us on Linked-In
Reply With Quote
  #10  
Old 4/1/09, 2:43 AM
bkelly2's Avatar
bkelly2 bkelly2 is offline
InterNACHI Member
 
Join Date: Oct 2004
Location: Phoenix, AZ
Posts: 16,088
Default Re: Unitrol Gas Valve Leaks-Water Heater

Quote:
Originally Posted by gliebig View Post
. How much of a leak is an acceptable one???? Or should I ask who's willing to light the match to check it out? (BTW, I had a plumber do that!).

.

Bubble tight is usually good enough to be acceptable for residential gas piping. A hand held leak detector will find leaks about two magnitude smaller, than is considered acceptable.
Personally a LP leak would bother me more as LP is heavier than air.
Reply With Quote
  #11  
Old 4/2/09, 11:24 AM
Scott C. LeMarr Scott C. LeMarr is offline
InterNACHI Member
 
Join Date: Aug 2006
Location: Muskego, WI
Posts: 36
Default Re: Unitrol Gas Valve Leaks-Water Heater

Most of the electronic leak detectors don't begin picking up methane until 500 ppm.........thats enough for me. I certainly don't want it in my house, why should the client?

I agree with the concern for LP but most of the leaks I have found are natural gas but remember they are in the same room with the furnace and the water heater............hmm gas leak.....open flame........boom?



Scott C. LeMarr
Honest Home Inspections, LLC
Master Indoor Environmental Specialist (MIES)
Certified Mold Inspector & Assessor
Certified Weatherization Inspector for WI
262-424-5587
www.HonestHomeInspections.com
www.MilwaukeeMoldInspector.com
Reply With Quote
  #12  
Old 4/2/09, 11:45 AM
Michael Larson's Avatar
Michael Larson Michael Larson is offline
InterNACHI Member
 
Join Date: May 2006
Location: Hudson, WI including the Twin Cities of MN
Posts: 47,059
Default Re: Unitrol Gas Valve Leaks-Water Heater

Quote:
Originally Posted by slemarr View Post
Most of the electronic leak detectors don't begin picking up methane until 500 ppm.........thats enough for me. I certainly don't want it in my house, why should the client?

I agree with the concern for LP but most of the leaks I have found are natural gas but remember they are in the same room with the furnace and the water heater............hmm gas leak.....open flame........boom?
FYI

500 PPM detection level for Methane is well below the LEL(lower explosive limit) of 50,000 PPM

That said, if your flammable gas detection device is working correctly and detecting Methane in a concentration of 500 PPM, you are detecting it far below dangerous concentrations. 100 times below if you do the math.



As a Professional Home Inspector, I support the privacy of my clients.

For more information click Trustyourinspector.ORG

Put nthornberry on your ignore list where he belongs.

www.InspectraPro.com
www.MinnesotaHomeInspector.biz

Michael Larson
Hudson, WI

Services provided in East MN and West WI

Reply With Quote
  #13  
Old 4/2/09, 6:09 PM
bkelly2's Avatar
bkelly2 bkelly2 is offline
InterNACHI Member
 
Join Date: Oct 2004
Location: Phoenix, AZ
Posts: 16,088
Default Re: Unitrol Gas Valve Leaks-Water Heater

http://www.allgasdetectors.com/products/g310.shtml


Quote:
Spec Summary: Sensitivity:50 ppm



20 ppm useable sensitivity (methane) http://www.allgasdetectors.com/products/g351.shtml
Reply With Quote
Reply

Thread Tools

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 On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
980 Questions/Answers to the NHIE....Free! jbushart Legislation, Licensing, Ethics & Legal Issues for Inspectors 50 4/20/08 1:26 AM
Common Defects List by Age of House trausch Inspection Education & Training 10 6/12/06 4:52 AM

All times are GMT -4. The time now is 9:03 AM.
no new posts