Kitchen Gas Appliances - Dis-connect a gas range
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jimmgriffin
08-24-06, 08:25 PM
Our gas range conked out on us, and we have purchased a new one. Trying to remove the old one, and can not dis-connect the gas line. Worked for an hour with wd-40 ang my pliers/wrenches. All connections seem to have a cement or putty on the threads. Any suggestions, other than to eat more wheaties?
Thx
Thx
Sharp Advice
08-24-06, 09:36 PM
Hello Jim. Welcome to my Gas Appliances topic.
As an appliance service rep and like all my peers in the industry, I have encounter the same condition. Pipe and flex connections which have harden pipe sealant used on them.
How to remove does take strength. Eat some Wheaties and get big wrenches. At least those of the 12 to 14 inch size or larger.
Than securely hold the pipe in place in the exposed pipe so it cannot rotate when using a the pipe wrench held in a counter rotating position.
Then apply the adjustable crescent type wrench to the connector or adapter installed in the supply pipe. Unscrew the connector, adapter or pipe coupling while holding the back up pipe wrench or second adjustable wrench in a counter rotating position.
The objective here is not not allow the exposed gas supply pipe to rotate while removing the adapter or connector. Does take some mussel but can be done with some effort.
Good Luck.
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As an appliance service rep and like all my peers in the industry, I have encounter the same condition. Pipe and flex connections which have harden pipe sealant used on them.
How to remove does take strength. Eat some Wheaties and get big wrenches. At least those of the 12 to 14 inch size or larger.
Than securely hold the pipe in place in the exposed pipe so it cannot rotate when using a the pipe wrench held in a counter rotating position.
Then apply the adjustable crescent type wrench to the connector or adapter installed in the supply pipe. Unscrew the connector, adapter or pipe coupling while holding the back up pipe wrench or second adjustable wrench in a counter rotating position.
The objective here is not not allow the exposed gas supply pipe to rotate while removing the adapter or connector. Does take some mussel but can be done with some effort.
Good Luck.
Web Site Host, Moderator Hiring Agent, Gas Appliances Topic Moderator, Multiple Forums Moderator & Natural Gas Appliance Diagnostics Technician.
Personal Driving Safety Reminder: Buckle Up & Drive Safely.
"The Life You Save, May Be Your Own."
hankhill6018
08-25-06, 11:21 AM
Any suggestions, other than to eat more wheaties?
Thx
When you think you've eaten enough, eat some more!
As Sharp said, you gotta get those wrenchs on there and get some leverage, it will eventually break.
Thx
When you think you've eaten enough, eat some more!
As Sharp said, you gotta get those wrenchs on there and get some leverage, it will eventually break.
jimmgriffin
08-30-06, 06:27 PM
I wanted to share my experience with you, in case it helps anyone out. This opinion is coming from a 'not much experience do it yourself-er'.
Our gas range was hooked up without a flexible hose. It was more custom fitted (from copper pipe main line into steel pipe adapter into range). As mentioned in previous thread, there was a cement putty on the threads at every connection. We ended up hiring a plumber to dis-connect original range, as I tried and tried, but could not loosen the current hookups. Plumber cut main gas line, and then added a new nipple to the main line, whereupon he added flexible hose to connect with new range.
What I learned. Thank goodness for the expertise at out local Lowe's hardware store. I went in there looking for a cement solvent. Each, of three people, gave me the same response ' that whatever they sold me, would not only break free the cement, but it would also probably corrode the main copper, gas line'. Also what did I learn. If your gas range does not have a flexible hose attached, then probably your connection was custom fit for the house, not thinking towards the future replacement ranges. What else did i learn? Well, i never once thought that I should call a plumber to fix a gas line. Thanks to all who added their opinion. I also learned to not keep twisting on a connection on a gas line, as it could have serious results (I learned this through word of mouth, not actual results)
One question- I spoke with a guy who was amazed that I had copper lines carrying natural gas through my house, when he lived in New York (up state), copper lines were not allowed. He had installed gas in his house and had used steel pipes throughout. I live in N Carolina. What is the difference between the two states for having different regulations/laws? Mine were installed ~ 1994, his in the late '90's.
Thx
Our gas range was hooked up without a flexible hose. It was more custom fitted (from copper pipe main line into steel pipe adapter into range). As mentioned in previous thread, there was a cement putty on the threads at every connection. We ended up hiring a plumber to dis-connect original range, as I tried and tried, but could not loosen the current hookups. Plumber cut main gas line, and then added a new nipple to the main line, whereupon he added flexible hose to connect with new range.
What I learned. Thank goodness for the expertise at out local Lowe's hardware store. I went in there looking for a cement solvent. Each, of three people, gave me the same response ' that whatever they sold me, would not only break free the cement, but it would also probably corrode the main copper, gas line'. Also what did I learn. If your gas range does not have a flexible hose attached, then probably your connection was custom fit for the house, not thinking towards the future replacement ranges. What else did i learn? Well, i never once thought that I should call a plumber to fix a gas line. Thanks to all who added their opinion. I also learned to not keep twisting on a connection on a gas line, as it could have serious results (I learned this through word of mouth, not actual results)
One question- I spoke with a guy who was amazed that I had copper lines carrying natural gas through my house, when he lived in New York (up state), copper lines were not allowed. He had installed gas in his house and had used steel pipes throughout. I live in N Carolina. What is the difference between the two states for having different regulations/laws? Mine were installed ~ 1994, his in the late '90's.
Thx
Sharp Advice
08-30-06, 07:45 PM
Hello: Jim
The primary reason why copper lines are not allowed is what is in the natural gas in tract amounts. That chemical is sulfur. Sulfur deteriorates copper from the inside out. Over enough time the interior of the copper turns into a black powered substance. The deterioration then creates pin hole leaks.
The sulfur also causes the copper to become more brittle. Which than allows it to break more easily when moved. Which is another reason why any appliance that can be easily moved has to be connected with gas flex or solid iron pipe.
Natural gas is not exactly the same in all regions of the country either. Some have higher amounts of tract chemicals and minerals. Copper may also be against code because it can be shipped via high pressure lines for very long distances.
As a result, the trace chemicals cannot be easily controlled. As a result, many states banned the use of copper. Unless the inside of the walls of the copper are tin lined. Such is the case in mobile homes. Tin lining prevents the sulfur and other tract chemicals from coming into contact with the copper.
Therefore, tin lined copper is code approved for that specific usage only. Propane conversions to natural gas may require complete re piping of a dwelling structure. Check with local codes before any work of any type is begun.
Web Site Host, Moderator Hiring Agent, Gas Appliances Topic Moderator, Multiple Forums Moderator & Natural Gas Appliance Diagnostics Technician.
Personal Driving Safety Reminder: Buckle Up & Drive Safely.
"The Life You Save, May Be Your Own."
The primary reason why copper lines are not allowed is what is in the natural gas in tract amounts. That chemical is sulfur. Sulfur deteriorates copper from the inside out. Over enough time the interior of the copper turns into a black powered substance. The deterioration then creates pin hole leaks.
The sulfur also causes the copper to become more brittle. Which than allows it to break more easily when moved. Which is another reason why any appliance that can be easily moved has to be connected with gas flex or solid iron pipe.
Natural gas is not exactly the same in all regions of the country either. Some have higher amounts of tract chemicals and minerals. Copper may also be against code because it can be shipped via high pressure lines for very long distances.
As a result, the trace chemicals cannot be easily controlled. As a result, many states banned the use of copper. Unless the inside of the walls of the copper are tin lined. Such is the case in mobile homes. Tin lining prevents the sulfur and other tract chemicals from coming into contact with the copper.
Therefore, tin lined copper is code approved for that specific usage only. Propane conversions to natural gas may require complete re piping of a dwelling structure. Check with local codes before any work of any type is begun.
Web Site Host, Moderator Hiring Agent, Gas Appliances Topic Moderator, Multiple Forums Moderator & Natural Gas Appliance Diagnostics Technician.
Personal Driving Safety Reminder: Buckle Up & Drive Safely.
"The Life You Save, May Be Your Own."