A reliable water heater is something most homeowners take for granted—until it stops working. Whether you’re dealing with a lack of hot water or strange noises from the tank, understanding what can go wrong with a water heater can help you make informed decisions about repairs. Here’s a breakdown of the most common issues, what causes them, and when it’s time to bring in a professional.
1. No Hot Water
If your water suddenly turns cold, there’s a good chance your water heater isn’t functioning properly. In electric models, this is often due to a failed heating element or thermostat. Gas-powered units might have issues with the thermocouple, pilot light, or gas control valve. A tripped circuit breaker or blown fuse can also be the culprit.
It might seem like a simple DIY fix, but it’s safer and faster to contact a professional familiar with plumbing in Tulare CA to accurately diagnose and repair the issue without risking damage or safety hazards.
2. Water Leaks Around the Tank
Leaks are one of the most common—and serious—water heater problems. If you see water pooling around the base of the tank, it could be a result of:
• A loose drain valve
• Faulty temperature and pressure (T&P) relief valve
• Corrosion or rust in the tank
• A cracked tank liner (especially in older models)
Some of these issues can be resolved with part replacements, but if the tank itself is leaking, a full replacement may be necessary. Homeowners often rely on experienced plumbers in Visalia to quickly identify the source and prevent further water damage.
3. Discolored or Smelly Water
If your hot water has a metallic taste, rust color, or a sulfur (rotten egg) smell, it could be caused by:
• Corrosion inside the tank
• A decayed anode rod
• Bacteria buildup (often in units that have sat unused)
Replacing the anode rod, flushing the tank, or increasing the water temperature temporarily to kill bacteria can often solve the issue. It’s also a good idea to have plumbers in Visalia CA check your unit annually to keep water clean and healthy.
4. Strange Noises: Popping or Rumbling
Unusual noises coming from your water heater usually signal sediment buildup. This is especially common in areas with hard water, like Tulare and Visalia. Over time, minerals settle at the bottom of the tank and harden, creating a barrier between the burner and the water. This not only reduces efficiency but can also damage the tank.
Annual flushing can help remove sediment and extend the life of your water heater. Professionals who understand the conditions of plumbing in Tulare CA can perform this maintenance with minimal disruption to your household.
5. Inconsistent Water Temperature
Are you constantly adjusting your shower dial because the water swings from cold to scalding hot? Inconsistent temperatures are often caused by:
• A malfunctioning thermostat
• Sediment buildup covering heating elements
• A failing dip tube that mixes hot and cold water improperly
While thermostat replacement might seem easy, improper calibration can lead to unsafe water temperatures. Contacting local plumbers in Visalia ensures the job gets done right.
6. Pilot Light Problems
Gas-powered water heaters rely on a pilot light to ignite the burner. If this light keeps going out, it might be due to:
• A faulty thermocouple
• A dirty or clogged pilot orifice
• Poor gas pressure or venting issues
It’s important to get these problems professionally diagnosed. Improper handling of gas systems can be dangerous. Skilled plumbers in Visalia CA are trained to handle these issues safely.
7. Water Takes Too Long to Heat
If you notice a long delay before the water gets hot—especially during busy mornings—it could mean your tank is undersized or the heating elements are weakening. In some homes, installing a tankless water heater or a booster might be a smart upgrade.
An assessment from a plumber familiar with plumbing in Tulare CA can help you evaluate whether you need a repair, an upgrade, or a simple adjustment.
8. Preventive Maintenance Tips
You can extend the life of your water heater and reduce the risk of unexpected breakdowns with regular maintenance. Here are a few best practices:
• Flush the tank once a year to remove sediment
• Replace the anode rod every 3–5 years
• Test the temperature and pressure relief valve annually
• Set the thermostat to 120°F to prevent overheating and conserve energy
• Insulate older tanks to improve efficiency
Many homeowners schedule annual checkups with trusted plumbers in Visalia to handle these tasks, ensuring their system is running safely and efficiently.
9. Lifespan and When to Replace
Water heaters typically last:
• 8–12 years for tank models
• 15–20 years for tankless models
If your unit is nearing the end of its lifespan, is leaking, or requires frequent repairs, it may be more cost-effective to replace it rather than continue investing in fixes. Upgrading to a high-efficiency model can also lower your energy bills.
If you’re unsure whether to repair or replace, local experts who understand plumbing in Tulare CA can offer an honest assessment based on your needs and budget.
10. Seasonal Effects on Water Heaters
In colder months, water entering your home is colder, requiring your heater to work harder. If your system is already strained or has sediment buildup, this increased demand can push it to failure. Checking your water heater in early fall or late summer ensures you’re ready before winter hits.
Regular seasonal inspections by experienced plumbers in Visalia CA can give you peace of mind year-round.
Water heaters are essential to everyday comfort, but like all appliances, they require regular care and occasional repairs. By learning to spot the signs of trouble and trusting qualified professionals, you can avoid costly emergencies and extend the life of your unit.
If you notice problems like inconsistent temperatures, water leaks, or unusual smells, don’t wait. Contact a trusted team for plumbing in Tulare CA or experienced plumbers in Visalia CA who can assess the issue and provide fast, reliable solutions.
Whether it’s a quick fix, a full replacement, or an annual tune-up, you can count on your local experts to keep the hot water flowing.