Water Heater Safety & Maintenance

Learn the most common reasons water pressure drops and which fixes are DIY-friendly versus when to call a plumber or utility.

Learn the code rules and safety basics for garage water heaters, including elevation, freeze protection, venting, and compliance.

Learn the safest water heater setting, why 120°F–140°F matters, and when to adjust for scalding risk or winter performance.

Learn when water heaters freeze, what damage ice can cause, and how to protect tank and tankless units in cold weather.

Learn the five main causes of water heater explosions, from pressure buildup and valve failure to sediment, corrosion, and gas leaks.

Learn what can cause a water heater to explode, the warning signs to watch for, and the safety steps that help prevent failure.