Ask us anything

How to light a hot water heater Whirlpool model FGHR4040T3NOV?

Lighting a hot water heater, especially if it's a gas-powered unit like the Whirlpool model FGHR4040T3NOV, can be a relatively simple task. However, it requires careful steps to ensure safety. Here's a step-by-step guide on how to light a gas water heater:

1. Safety Precautions:
Safety is paramount when working with gas appliances. Before attempting to light the water heater, take the following safety precautions:
Turn off the gas supply to the water heater. Locate the gas shut-off valve on the gas supply line and turn it to the "Off" position.
Ensure there are no open flames or potential sources of ignition nearby.
Allow the area around the water heater to ventilate for a few minutes to disperse any lingering gas.
2. Locate the Gas Control Valve:
The gas control valve is typically located on the front of the water heater near the bottom. It's a rectangular or square box with a dial or knob on the front.
3. Set the Gas Control Valve to "Pilot":
Turn the gas control valve dial or knob to the "Pilot" position. This setting allows you to ignite the pilot light.
4. Access the Pilot Light Area:
Open the access panel or door on the water heater to access the pilot light area. The pilot light area is usually located at the bottom of the water heater.
5. Locate the Pilot Light Assembly:
Inside the pilot light area, you'll find the pilot light assembly. It consists of a small tube or pipe and a pilot burner with a small flame.
6. Depress the Gas Control Valve:
On the gas control valve, you'll find a button or knob that you need to press and hold down. This button allows gas to flow to the pilot light.
7. Ignite the Pilot Light:
While pressing and holding down the gas control valve button, use a long fireplace match or a long-reach lighter to ignite the pilot burner. Hold the match or lighter close to the pilot burner and wait for it to ignite. You should see a small, steady flame.
8. Continue Holding the Gas Control Valve:
Keep the gas control valve button or knob depressed for about 30 seconds to one minute after the pilot light is lit. This helps to heat the thermocouple, which is a safety device that keeps the gas valve open when the pilot is burning.
9. Release the Gas Control Valve:
After holding the gas control valve for the recommended time, release it. The pilot light should remain lit. If the pilot light goes out when you release the valve, repeat steps 6 through 9.
10. Set the Gas Control Valve to "On":
Once the pilot light is burning steadily, turn the gas control valve dial or knob from "Pilot" to the "On" position. This allows the main burner to operate when needed.
11. Check for Proper Operation:
Observe the water heater to ensure that it operates correctly. The main burner should ignite when hot water is demanded, and the pilot light should remain lit continuously.
12. Turn On the Gas Supply:
Return to the gas shut-off valve on the gas supply line and turn it to the "On" position to restore the gas supply to the water heater.
13. Close the Access Panel or Door:
Securely close and fasten the access panel or door on the water heater.
14. Monitor for Leaks:
Check for any gas leaks around the gas control valve, pilot light area, and gas supply line. If you detect the smell of gas or suspect a leak, turn off the gas supply immediately and contact a qualified technician for assistance.

It's essential to follow these steps carefully and ensure that the pilot light remains lit before turning the gas control valve to the "On" position. If you encounter any difficulties or if the pilot light repeatedly goes out after ignition, it's advisable to contact a professional plumber or appliance technician to inspect and repair the water heater. Gas appliances should be handled with caution to prevent accidents or gas leaks.
Connect to virtual expert

Our virtual experts can diagnose your issue and resolve simple problems.