Hi, I have an amanna sv80 natural gas furnace, I lost power to my home , my question is will the pilot need to be re-lit or will the furnace restart on its own? Thank you

apparently gas flow is low and not enough to keep it lit. perhaps it needs pipe cleaned or replaced

pilot lit on gas furnace, but the burners won't light (Home ...

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Oct 26, 2013 - i have a gas furnace with a lit pilot, but the burners won't light. ... if the thermocouple does not sense the heat of the pilot it prevents the gas controller fromturning on the burners. ... clamped onto the outgoing hot water pipe, if huydronic system) that is telling the furnace it is too hot, whether or not that is true.

Is it natural gas or propane? If propane, make sure you are not out of gas. Does it have electronic ignition or a manual pilot? if pilot, make sure the pilot flame is still lit and the control knob is turned to the "On" position. If it has electronic ignition, shut off the power to the furnace and then turn it back on and see if resets and lights.

Select thermostat to off. Take front upper panel off of furnace. Looking at gas valve you should see a flat head or straight slot screw. This is the cap to access the adjustment. Look at the body of the gas valve real close. You may need to put on your glasses or use magnifying glass. It should say pilot in very small raised letters. Remove the cap. Look down into access hole and you will see the adjustment screw. It is a nylon screw so be careful not to strip it out. Place the correct screw driver, should be a small phillips or straight head. Turn gas valve to pilot and depress. Light pilot. While holding down, adjust nylon screw clockwise until flame envelopes 3/8 to 1/2 inch around thermocouple. Replace cap. Select heat and verify pilot stays lit. If the flame doesn't stay lit most likely your thermocouple is defective. You can purchase at your local hardware or Home Depot. Length doesn't matter.The thermocouple is heated and sends a DC signal back to the gas valve. There is another screw cap on the gas valve that adjusts gas pressure. Do not try to adjust the gas pressure to the gas valve because you need a special instrument (manometer) to adjust pressure. This device measures the water colume of the gas. A qualified technician would adjust this to 3.5" WC. for natural gas or 11" for propane.

simply replace the the thermo couple. Any home depot. Very easy.Be sure all doors are in place or it could cause the flame to pull away from the thermocouple. If the problems new, change it. 5 minutes literally. Shut off gas and get the correct legth(18,24,36,12 inches.

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.

Go to www.grainger.com and look for a "power pile generator" this is a millivolt thermocouple that may be just what you need to make your heater work again

The 'thermocouple' might not be working. Is the pilot light staying lit? The therm. sends a millivolt signal to the control insuring a pilot is lit.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c

You shut off the gas.
Shut off the power.
Remove the gas valve and burner assembly.
After cleaning and reassembly you must purge the system and use a gas leak detecting soap to verify no leaks before turning on the power.

The gas company should have have set and adjusted the gas pressure when they installed the new regulator. DO NOT ATTEMPTED TO LIGHT THIS WITH A LIGHTER. If this furnace has a hot surface igniter you and you lighter will be energized with 120 volts...BE CAREFUL...
If this furnace has a spark igniter you and your lighter can be lit up with up to 10,000 volts.
Since this furnace sat inoperative for so long I will bet that you have a blocked pilot assembly. Turn off the power and the gas. Carefully remove the pilot assembly. Dismantle it. Inside you will find a very small orifice Clean it out. Put every thing back together. The furnace should work.
REMEMBER PROPANE GAS IS MORE VIOLENT THAN NATURAL GAS KEEP YOUR FACE BACK AWAY WHEN IT LIGHTS IF YOU WANT TO KEEP YOUR EYEBROWS.
The clunking noise you heard was probably the gas valve trying to open.