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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Repairing wall mounted gas heater.
I am repairing a wall mounted gas heater. These are often found in
hallways of many apartments in San Francisco, and probably in many other parts of the country as well. The pilot light would not stay lit, so my first thought was to take a look at the thermocouple. It looked old and worn, so I replaced it. After reassembling the heater and lighting the pilot light, it stayed lit without a problem and the heater worked again as it should. Unfortunately, it was not just the pilot light that stayed lit. Gas was also burning through a small leak below the brass nut (at red arrow in bottom picture at http://www.abrasha.com/misc/heater_536.htm) that attaches the "pilot tube" to the pilot light assembly. The pilot tube connects the gas valve to the pilot light assembly. (see top picture) I took the tube off, to see if there was dirt in there that prevented a good seal. No dirt. However, the small brass fitting, that sits inside the nut when attached properly,around the top of the aluminum tube is looses around the tube on that end of the tube. I reattached the tube and tested with soapy water (see bottom image at http://www.abrasha.com/misc/heater_536.htm). Leak is still there, as witnessed by soap bubbles. Obviously I need to replace the tube. I now have trouble locating a replacement pilot tube. Does anyone know where I might be able to get one around San Francisco? Any leads appreciated. -- Abrasha http://www.abrasha.com |
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