If your water goes cold, its likely your water heater flame has gone out.

You dont need any tools or a handyman to re-ignite the pilot light.

Just stick to this.

Newer model gas water heaters have built-in ignitors that can be used when the flame goes out.

Older water heaters require along lighterand a bit of maneuvering in tight corners to ignite the flame.

This will allow all the excess gas to dissipate which avoids flare ups.

Check out the video above for the full step-by-step.

How to light a gas water heater pilot light| House-Improvements (YouTube)