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Trying to find the heat limit sensor on a Vulcan wall furnace 40 my ng

Posted by Stephen westlake on

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5 Related Answers

harjeet singh

  • 86 Answers

SOURCE: Vulcan ducted heating

not possible

Posted on Mar 28, 2008


Anonymous

  • 143 Answers

SOURCE: I have a vulcan quasar

Perhaps the fan motor is bad. If not, you have an electrical problem.

Posted on Jul 24, 2008

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blender719

  • 53 Answers

SOURCE: Vulcan Quasar 40 wall furnace - electronic display problem

Have a gasfitter bypass the clock. The clock is the source of the problem. You will then have a manually operated heater.

Posted on Oct 08, 2009

Anonymous

  • 185 Answers

SOURCE: limit switch open furnace wont heat

If the limit switch is open try to jump the wires out... this should turn the heat back on. and if it does replace limit... if it dont let me know and we'll try again

Posted on Apr 06, 2010

SOURCE: Noisy pilot light Vulcan Quasar 40

Simply clean out the jet tube with a fine wire, the sound you hear is the gas blowing by the irregular edges, and swirling and not mixing and producing sound waves, (Bit like a flute) So, you need to clean the tube right out, and smooth off the end again, & sorta "Countersink", Flame the end too, at the end.use a very fine needle file, and make it look like new, that will sort your problem out. Then adjust so you have a good gas flow. Also check out it isn't blocked too.

Posted on Apr 30, 2010

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1 Answer

Trying to locate replacement parts for my gas wall heater


http://www.enviro-friendly.com/bonaire-gas-wall-furnaces.shtml
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If the sensor knocks the unit off and the the fan keeps blowing without a flame ,the limit (the sensor is a limit comptroller that turns off flame @ a set temp and allows the fan to run until the heat exchanger cools to @ set temp) has out lived its lifetime and needs to be replaced.the button is a manual reset that once reset would allow the unit to continue to run flame and blower at the same time after having been set once, if it is an ongoing problem and needs to be reset more than once then replace the limit control (sensor) in kind. (With the same mode and set-points for the limits)

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My father has to replaxce an 11 year old Vulcan Wall Furnace. He wants a Braemar Wall Furnace. He must tell Braemar what model his Vulcan is - there aren't any model badges. Can he determine if his...


Usually these numbers on most other untits are stamped on a metal plate which is located
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1 Answer

My Dayton NG furnace runs a couple minutes thens shuts down There is a fault code #4 after the burner shuts down Appears to be 3 limit switches, Can I checkeck these with an ohmeter as it is running to...


To check them you should power the unit down, then using your volt ohm meter check the limits. These limits should read normally closed or dead short, if it is open that is your culprit. If it happens to be one of the limits in or around the burner chamber please inspect the(burner chamber) heat exchanger for cracks or pin holes as this would leave carbon monoxide to be released in to your home.These limits are for over heating and that occurs once you have holes in the heat exchanger letting hot gasses escape out to the blower area of your furnace.

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I have a ng furnace downstairs that started this a couple of days aga....It comes on like it is suppose to and runs until it shuts off. Once the blower cuts off it stays off for about 1 second and then...


1. Thermostat calls for heat. 2. Draft inducer motor starts. 3. Pressure switch attached by a small plastic or rubber tube senses the negative pressure produced by the draft inducer and closes. 4. Draft inducer runs for 30 seconds to a minute before you hear a gas hissing sound. The ignitor did not glow, the flame sensor (a small metal probe about 1/8" in diameter, with a white porcelain base) does not sense the flame, so after 8 to 10 seconds the hissing sounds stops with no ignition of gas to heat your home. Your furnace shuts down and goes into a lock out condition until you turn your power switch back off and on again. Then the sequence starts all over again with no ignition of the gas. Solution:You probably need to purchase and install a new ignitor. I would suggest that you inspect your ignitor closely for cracks. Make sure you do not touch the ignitor with your bare hands. If you do not visually see a crack, then you could have a furnace control board problem or a limit, rollout switch problem. The furnace's control board might not be supplying the voltage to the ignitor. If your furnace lights and the gas stays on for 8 to 10 seconds, then shuts right back off, then you need to clean your flame sensor with light sand paper or steel wool. You might need a new flame sensor, but most of the time they can be cleaned an will work well after cleaning.

Dec 06, 2010 | Heating & Cooling

1 Answer

Vulcan Quasar 40 wall furnace - electronic display problem


Have a gasfitter bypass the clock. The clock is the source of the problem. You will then have a manually operated heater.

Oct 05, 2009 | Heating & Cooling

1 Answer

Pyrox Vulcan gas wall furnace.


my pyrox wall furnace has a digital pad it turns off & on but i cant turn the heat or fan uo or down its 4 weeks old

Jun 13, 2009 | Heating & Cooling

1 Answer

Urnace fan of some sort runs all the time - set on automatic


If you have it cleaned twice a year they should be able to find this problem. It is one of two thinkgs. There is a limit switch on the fan at the top (inducer) this may be weak and causing the inducer run frequently. The other is there is another limit switch it is a main limit on the fire wall it is also weak and that is why the main blower is running it is trying to cool that limit.

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