Solenoid hot topic & Gas Stove repair

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A

Andy

Recent article asked about hot solenoid but I wanted to follow up with a new link to give more details. Our stove would work for one pot of coffee and then either not relight for a second (urrggh)or slowly die as if we ran out of gas. On advise from several HOW readers, Force 10, Trident Marine, and Hunter I ordered a new solenoid valve. Replacing it seems to have solved the problems. (12VDC low pressure solenoid)1/4" fittings I had noticed before that the defective solenoid would get too hot to touch. I have noticed some other post about similar incidents so I hope this helps.
 

Ross

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Jun 15, 2004
14,693
Islander/Wayfairer 30 sail number 25 Perryville,Md.
There is a temperture at which metals cease to be

to be magnetic. I believe it is called a curie point. If you have a solenoid that gets very hot it could simply cease functioning as a magnetic soleniod.
 
Sep 19, 2004
85
Hunter e36 Vancouver
No gas

I have a similar experience a few weeks ago of not getting gas flow through the solenoid valve. I changed the valve but used the coil from the old valve as I did not wanted to redo the electrical connections. It worked. I thought there was a problem with the rubber getting swallon from some gum from the propane gas. The solenoid tends to get hot but I didn't think it would affect the magnetics. Interesting.
 
A

Andy

Good idea

Good idea to use the existing wire and magnet. I hated to cut the wires. To connect the new wires I used those new screw together.
 
Feb 26, 2004
23,335
Catalina 34 224 Maple Bay, BC, Canada
Link to reference should help U understand...

http://www.sailboatowners.com/forums/pviewall.tpl?
 
Sep 19, 2004
85
Hunter e36 Vancouver
Curie point

I just looked up Curie point and the Curie point for iron is about 1000 deg Kelvin. That is about 750 deg Celcius. Very hot. I doubt if the solenoid can get the core that hot without melting something or destroying the coil wire insulation first (the insulation likely fails in the 200 deg C range). So it is still a mystery.
 
R

Rick I

Large batch of defective solenoids

On my old boat I've had the same solenoid for 18 years and it still works perfectly. The solenoid on the new boat failed after one year. There have been many solenoid failures on Beneteaus in the past two years. This has been attributed to a bad batch from Trident Marine. Trident replaced mine after I was referred to them by Beneteau. Beneteau has the hull numbers of the boats with the "faulty" solenoids. They were installed in 323,343,373,393,423,473 and F36.7 models
 
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