What To Do When Your Oil Furnace Has No Heat.
No heat checklist on your oil fired furnace.
1. Check the Thermostat
Check your thermostat to ensure it’s set to heat and high enough to call for heat, meaning the desired temperature is higher than the room temperature. Also, ensure that the batteries are good if your thermostat requires batteries.
2. Check Oil Levels
Make sure you have oil in your tank. Do NOT always trust your gauge; they can be finicky.
Get a Gauge Stick
The first step of manual tank gauging is to get a gauge stick. You may have also heard a gauge stick referred to as a “tank stick” or “dipstick.” While many use a wooden yardstick or metal rod, the best gauge sticks are varnished to get the most accurate reading possible. A varnished stick limits the spread of the oil on the stick and provides the measurement. Be sure the stick you choose is straight and not warped or bent.
If you use an electronic tank-level monitor instead, choose one that can measure to the nearest eighth of an inch.
Measure the Contents of the Tank
Follow these steps to manually measure the contents of your oil tank with a gauge stick:
- Turn the top fill valve cap counter-clockwise and remove the cap from the tank.
- Lower the stick gently until it touches the bottom of the tank.
- Bring the stick back up and read the depth of oil to the nearest eighth of an inch.
- Record the measurement in your manual tank gauging record.
- Wipe the measuring stick clean with a dry cloth.
- Lower the tank stick and measure a second time. Record these results.
- Secure the top-fill valve cap to prevent leaking.
3. Check Emergency Shutoff
Locate the emergency shutoff switch near the basement steps and/or next to your heating system. Make sure the switch is in the “ON” position. These switches look just like light switches and accidentally get turned off if you have guests. This happens more frequently than you might think.
4. Check Electric Box
Check for any blown fuses or tripped circuit breakers in your electrical box.
5. System Reset Button
Sometimes a simple system reset is all that’s needed. Locate your heating system’s burner, press the reset button ONCE (and only ONCE), and listen for the system to start up. If you had to open the door to access your furnace, be sure to close that door after pressing the reset button.
Printable No Heat Checklist
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