Question about Williams Heating & Cooling
Make sure pilot flame is strong and in direct contact with the generator. A weak flame will produce enough juice to keep the pilot valve open but not create enough to open the main valve.
Posted on Dec 31, 2012
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Posted on Jan 02, 2017
SOURCE: Williams wall furnace, top vent.
I've replaced a Williams wall gas heater non-electric. The thermostat is connected right and mounted on the wall. But, there's a thick black copper wire on the side of the furnace tagged thermostat. I don't know what to do with it? Where do you connect this wire? When it touches the top screw of the three screws running vertically(where the other wires are connected). The burner lights up and stays on, even if you play with the wall thermostat. Touching the other two screws doesn't do anything. Now, the manual talks about connecting it to the venting wires? Extra wires coming from the top or maybe somewhere else in the wall? I've left it connected to the first screw, ran the heater. But, it never turns off? Any suggestions? Thanks
Posted on Feb 23, 2008
Assuming the pilot is clean and sharp. Before replacing the valve, clean any spade connections, those going up to the spill switch in particular. Clean and tighten all 4 connections. Good luck.
Posted on Jan 11, 2010
Hi, this heater doesn't have a thermocouple, it uses a pilot generator which is more reliable so I doubt you need to change it out. First thing to check is that you have a clean "sharp" blue pilot, you should be able to hear it quietly roar. If it is yellow and appears "soft", the pilot need to be cleaned. The easiest way is to use a straw or tubing of some sort to blow into the pilot, gently tapping the pilot assembly. That should clean it up and heat the pilot generator properly. Tighten the the screw terminals at the control valve to assure good electrical connections and last but not least turn off the thermostat until you get a standing pilot. Good luck and stay warm.
Posted on Jan 13, 2010
The problem is with the thermocouple.... this is the metal thing that the pilot flame hits when it is burning....if the flame is not hitting it then it does not get hot enough...
make sure the flame is hitting it....if not then adjust the hood over the flame to get it on the thermocouple...
If it is hitting it then replace the thermocouple....for that heater though the thermo is probably and OEM part and may have to be bought from the manufacturer...
Posted on Nov 07, 2010
I'm having the same exact problem... At first we thought was the vent... but the way the flames goes out... it seems that there is "not enough oxygen" more than "blown out by the wind"... right after both main & pilot goes out, I can't even light any external flame inside the chamber... and it doesn't feel like the outside cold air coming in... it just feel like there is some sort of gas in the chamber that's so strong, it prevents flame... and the only thing I can think of is that it doesn't have enough oxygen, but too much natural gas, and flame can't sustain.
Posted on Dec 16, 2010
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