WATER HEATER SERVICE

Water Heater Repair

Cold showers get old fast, and a leaking water heater can damage the area around it before the problem is obvious. Daniel’s Plumbing & Son provides water heater repair for homeowners, renters, property managers, landlords, and businesses dealing with unreliable hot water, unusual noises, leaks, or system failures.

With 30 years in business and California contractor license #672432, the company works on tank and tankless units serving residential and commercial properties. The goal is simple: identify what failed, explain the repair, and restore safe hot water operation when the unit can be repaired.

Customers near our primary service locations can learn more about water heater repair in Long Beach and water heater repair in San Diego. For assistance with pipes, drains, fixtures, and other systems, explore our complete plumbing services.

REPAIR SCOPE

What Water Heater Repair Can Address

A water heater may stop working all at once, but many problems build over time. Sediment can collect inside a tank, mineral scale can coat heating surfaces, and electrical or gas components can wear out.

Repair may address a complete loss of hot water, water that never gets warmer than lukewarm, or temperatures that change during normal use. A technician may also inspect failed thermostats, heating elements, igniters, thermocouples, sensors, valves, fittings, or related connections based on the type of unit and the symptoms present.

Some problems are tied to water flow or pressure rather than heat production. A leaking temperature and pressure relief valve, worn drain valve, damaged flex line, or loose inlet or outlet connection can leave moisture around the unit and affect normal operation.

Gas-powered systems can also develop pilot light, burner, venting, or ignition problems. These concerns need careful testing because faulty gas connections, backdrafting fumes, and excessive tank pressure can create safety risks.

WARNING SIGNS

Signs Your Water Heater May Need Repair

Losing hot water is the clearest warning, but it isn’t the only one. Changes in sound, smell, color, and moisture can point to a developing problem before the unit stops heating altogether.

Hot Water Runs Out Too Soon

Water that turns cold halfway through a shower may indicate a thermostat, heating element, burner, sediment, or capacity-related issue. If the problem starts suddenly after the system worked normally, a failed component may be involved.

The Tank Pops, Rumbles, or Knocks

Popping and rumbling sounds often happen while the unit is heating. Sediment or mineral buildup can trap heat near the bottom of a tank and cause water to boil beneath the buildup.

Noise alone doesn’t confirm which repair is needed. The unit should be checked before parts are replaced or the tank is drained.

Hot Water Looks or Smells Different

Rusty, brown, metallic-smelling, or rotten-egg-smelling water coming only from hot taps may be connected to the water heater. The cause can vary, so comparing the hot and cold water helps narrow down whether the issue begins inside the unit.

Water Is Pooling Near the Unit

Puddles, damp flooring, corrosion, or dripping around valves and fittings should not be ignored. The source may be a serviceable connection or valve, but moisture can also come from the tank itself.

Shut off the water or energy supply only when you know how to do so safely. A technician can isolate the unit and determine where the leak begins.

The Pilot Light Keeps Going Out

A gas pilot light that won’t stay lit may point to an ignition, thermocouple, gas supply, or burner issue. Repeated relighting without finding the cause can leave the property without dependable hot water and may overlook a safety concern.

THE REPAIR VISIT

What to Expect During a Repair Visit

The visit starts with a safety shutoff and diagnostic check. The technician isolates the water heater by shutting down the electrical breaker or gas supply, then tests relevant parts such as thermostats, burners, ignition components, and pressure controls.

When internal access is needed, the cold-water supply is closed and the tank may be partially or fully drained. Draining allows damaged parts to be reached without releasing heated water or pressure into the work area.

Confirmed failed components are then removed and replaced with OEM-quality parts. Depending on the diagnosis, this may include a heating element, thermocouple, igniter, thermostat, valve, fitting, or another serviceable component.

After the repair, the tank is refilled and air is bled through the property’s hot-water taps. Power or gas is restored only after the unit is full and ready for testing.

The final step checks heat recovery, burner or element operation, pressure, and output temperature. This testing confirms whether the repair corrected the original problem and whether the system is operating safely.

PROPERTIES WE SERVE

Repair Needs for Different Properties

Water heater problems affect each property differently. A homeowner may need hot water restored for showers, laundry, and dishes, while a commercial property may depend on it throughout the workday.

Homeowners and Renters

Single-family homeowners and renters may call after sudden hot water loss, a tank leak, unusual noise, or a pilot light failure. The technician can inspect the unit and explain whether a repairable part appears to be causing the problem.

Property Managers and Landlords

Property managers and landlords often need clear information about the failure, the required work, and the condition of the unit. Restoring service for tenants may involve coordinating access and addressing code-related concerns connected to the repair.

Commercial Properties

Salons, restaurants, gyms, offices, and other commercial properties can rely on hot water for cleaning, customer service, sanitation, or normal operations. The repair process still begins with diagnosis, though the property’s demand and operating needs may affect the decision.

SYSTEM TYPES

Tank Water Heaters and Tankless Units

STORAGE TANK

Tank Water Heaters

Tank water heaters store heated water for later use. Their repair needs can involve heating elements, thermostats, burners, valves, tank fittings, sediment, or pressure-related parts.

ON-DEMAND SYSTEM

Tankless Water Heaters

Tankless systems heat water on demand. Scale buildup, clogged intake filters, igniters, and electronic sensors can affect their performance.

REPAIR OR REPLACEMENT

When Repair May Not Be the Right Choice

Not every leaking or nonworking water heater can be repaired. A failed valve, igniter, thermostat, heating element, or fitting may be replaceable, while damage to the tank itself can change the available options.

The technician must inspect the unit before making that call. Age, tank condition, corrosion, leak location, repair history, and part availability can all affect whether another repair is practical.

A repair recommendation should be tied to the diagnosed failure, not guesswork. Customers should know which part failed, what work is proposed, and whether the repair addresses the main problem before moving forward.

REVIEWS

What Customers Say About Daniel's Plumbing & Son

    
 
 
         
   Just John 
 
 
 
 Trustindex verifies that the original source of the review is Google. So I come back from a trip days ago. I come back to a shower head that rumbles. Submit a maintenance request and then we are given the amazing opportunity to meet Rich and his team member.

I cannot exaggerate this but they literally tackle it within minutes. All while being very kind and respectful which is always appreciated. No more rumbling shower head and less headaches for my family and I. Thank you Rich. Hopefully if we have future problems we get to have you on the Job!!
  
 
        
   Brad 
 
 
 
 Trustindex verifies that the original source of the review is Google. Rich was great - on time, friendly, worked quickly, and did a great job!
  
 
        
   J Outwater 
 
 
 
 Trustindex verifies that the original source of the review is Google. Stand up guys who responded quickly and did a high quality repair.  You can trust them.
  
 
        
   Jerry Simpkins 
 
 
 
 Trustindex verifies that the original source of the review is Google. Happy with service very professional, quick, and efficient cleaned up after work was completed.
  
 
        
   Dr. “DrDownstrum” Downstrum 
 
 
 
 Trustindex verifies that the original source of the review is Google. Very professional. Guy arrived, made the job look easy, and left me appreciative. Thank you for the service.
  
 
        
   Nelly G 
 
 
 
 Trustindex verifies that the original source of the review is Google. Prompt friendly service from Rich
  
 
        
   Katie Desmond 
 
 
 
 Trustindex verifies that the original source of the review is Google. A friend referred us to Rich from Daniel’s Plumbing and Son. They came right away and solved all the issues we were having. Communication was clear. We will be calling them the next time we need a job done.
  
 
        
   Dulce Romero 
 
 
 
 Trustindex verifies that the original source of the review is Google. Rich did an awesome job fixing a couple issues at my place, with zero hesitation. Its great seeing someone who knows how to take initiative and knows exactly what hes doing when it comes to his field of work its admirable and hard to come by nowadays! Him and his colleague were in and out and respectful of the house which I really appreciated as well. Great work!
  
 
        
   Solares Cabrera 
 
 
 
 Trustindex verifies that the original source of the review is Google. Rich did a great job. Unclogged both bathtubs and diagnosed and fixed one of the toilets. All of this within the span of half an hour. This expedited service was amazing. I highly recommend giving them a try for your plumbing needs.

How It Works

Getting professional help shouldn’t be complicated. Our 5-step process ensures transparency and quality.

Contact

Call us or fill the form.

Schedule

Book a time that works.

Inspect

Pro on-site evaluation

Review

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Complete

Job done to perfection.

SERVICE AREAS

Serving Southern California

Daniel's Plumbing & Son — Long Beach, CA

Proudly serving Long Beach, CA and nearby communities including:

Daniel's Plumbing & Son — San Diego, CA

Proudly serving San Diego, CA and nearby communities including:

Daniel's Plumbing & Son — Corona, CA

Proudly serving Corona, CA and nearby communities including:

WATER HEATER FAQ

Questions About Water Heater Repair

What information should I have before calling?

Note whether the unit is gas, electric, or tankless. It also helps to share the model number, approximate age if known, visible error codes, leak location, unusual sounds, and when the problem began.

Should I keep using a leaking water heater?

Active moisture can damage nearby flooring, walls, equipment, or stored items. Avoid touching wet electrical components, and don’t attempt a gas or electrical repair without proper training.

Why does my hot water smell bad?

If the smell appears only in hot water, the water heater may be involved. Testing and inspection are needed because odors can have more than one cause.

Can a noisy water heater be repaired?

That depends on what is producing the sound and the condition of the unit. Sediment, mineral buildup, heating activity, or a failing component may be involved.

Do tankless units need different repairs?

Yes. Tankless systems use different heating, ignition, filtering, and control components than storage tanks. Diagnosis may include checking scale buildup, intake filters, igniters, sensors, and electronic controls.

REQUEST SERVICE

Schedule a Water Heater Diagnostic

You don’t need to know which part failed before you call. Tell Daniel’s Plumbing & Son what the water heater is doing, where the property is located, and whether you see water, smell gas, hear unusual sounds, or have no hot water.

A diagnostic visit gives you a clear starting point and a repair recommendation based on the unit’s actual condition. Call Daniel’s Plumbing & Son to discuss the problem and arrange service for your home, rental property, or business.