Mongomery ward-top vent wall furnace # sfb 50175ac (1977)

Why is this in the sewing machine category?

WILLIAMS 2509622 OWNER'S MANUAL Pdf Download.

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2509622; 2539622; 2559622; 3509622; 3539622; 3559622; ... WHAT TO DO IF YOU SMELL GAS: ... Williams furnace co. direct-vent wall furnace owner's manual (24 pages) ... Caring for Your Furnace ............24-25 Locating Wall Furnace and Thermostat ........6-7 Learn how to keep your new Williams Furnace operating.

How to light Heater or Furnace Pilot Light Gas Pilot of ...

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How to light a gas pilot for a heater or furnace of the Williamstype. This is a general guide and is not ...

[PDF]Monterey Installation Instruction Manual - Home Depot

I can't speak to the specific model but with most pilot lights, there is a switch setting or button for lighting. If you release that switch or button too soon, the pilot will not remain light. Hold the switch or button ON while you light the pilot. Keep holding the switch or button for about a minute until the heat sensor is sufficiently warmed that the pilot light stays on. Good luck.

Is the button on the gas valve or a red button in the line to the pilot assembly? If its in the line, there is a regulator upstream of the button. If the gas is coming from the gas valve, there is a small screw covered hole in line with the pilot line in the gas valve. If neither of these apply, you may need to replace the orifice in the pilot assembly. Let me know how it goes.

There is not much out there at all.
Try http://www.borel-furnaces.com/ they may be able to help.
Hope this helps.

Depending age of unit, clean either the thermocouple, or the flame sensor.

You need a very kong wire and a kitchen match. Turn the knob on top to pilot and push down have your flame already down thru the pilot hole at the bottom of the inside of furnace. Hold for a few seconds and release knob trun to heat. This unit works on a power pile systm and generates milivolts from the flame. Rus

Typicly "Thermopile" is anywhere from 500 to 750 Millivolts

if the pilot light stays lit, but the burners don't kick on, it's a problem with the thermostat or thermostat wiring, or a problem with the valve inside the gas actuator

I have a Williams top vent gravity wall furnace (model 5009622) and I had the same problem. I had to take the cover off the furnace -- screw on top and two at the bottom (open the access door and there is one screw on each side) to get to the reset button for the vent safety shutoff system. On my furnace it's on the left side toward the top of the unit. I pressed the little red reset button and it's been working ever since. If your furnace is properly installed and doesn't have bird's nest in the chimney, it should work fine. Good luck!