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John’s Plumbing & Drain Services offers professional service, repair and installation of water heaters in Los Angeles, CA and the surrounding areas. Whether your water heater is leaking, needs maintenance, or you are ready to install a new energy efficient system, we have a solution to fit your needs.

Water Heater Leaks 

Water heaters leak due to a variety of reasons, including excessive water pressure, hard water and age. Traditional water heater components can also leak from time to time, such as drips from the temperature and pressure relief valve (T & P), or from water lines connecting to the unit.

While small drips are not unusual, when a traditional water heater leaks from the tank or a connection, it is best inspected by a licensed specialist to avoid water damage or flooding.

If a tank water heater is leaking from the bottom, shut off water to the home and call our experts. We offer convenient scheduling an emergency services.

Other common repairs include loss or fluctuating hot water. Heating elements and pilot assemblies can often be repaired or replaced if the water heater is still under warranty, but if it is more than 6 or 7 years old, replacement is the best option.

Signs Your Water Heater Is Malfunctioning 

  • Strange sounds – Banging, knocking and other loud sounds indicate mineral deposits separating from the wall of the tank. Sediment leads to inefficiency and eats away at the tank causing the water heater to leak.
  • Leaking – When the tank is leaking from the water line connections or temperature and relief valve, it could be a minor issue. If it is leaking from the bottom of the tank it is a sure sign it will need replacement.
  • No hot water – Failing or faulty pilot assemblies or heating elements usually contribute to fluctuating or loss of  hot water. If the water heater is under warranty, it could be as easy as replacing a part. However, older water heaters should be replaced.
  • Foul-smelling water – Water that smells like rust may likely be the result of a corroded hot water tank. This could lead to burst water heaters, major water damage, and costly repairs.
Water Heater Replacement

Water Heater Replacement

If your water heater bursts in the middle of the night causing water damage, you need a reliable plumber. John’s Plumbing & Drain Services has more than 10 years of experience in replacing old, inefficient, and leaking water heaters with professional grade systems, or tankless units. Replacing old water heaters, even if they are not actively leaking can also provide many benefits, including:

  • Lower utility costs
  • Energy efficiency
  • Environmentally friendly
  • Reduced risk of water damage

Annual Water Heater Flush 

To keep both traditional and tankless water heaters working at their optimal level, we recommend scheduling an annual water heater flush. 

It will keep sediment from settling in tank water heaters and stop hard water from corroding tankless water heater components extending the life of your systems.

Our team specializes in service, repair and installation of all brands of  water heaters. We proudly install Bradford White systems, and have more than 10 years of experience in diagnosing and solving your water heater issues and we are committed to exceptional.

For professional water heater repair and installation services in Los Angeles, CA and the surrounding areas, call John’s Plumbing & Drain Services today (323) 422-7485.

Hot Water Heater FAQ’S

I have no hot water and why won’t my pilot light?

If you have no hot water and your pilot light will not stay lit, there are several possible causes to consider:

  • The pilot light is dirty or clogged: If the pilot light is dirty or clogged, it may not be able to stay lit. Cleaning the pilot light or replacing the thermocouple (a safety device that helps control the flow of gas to the pilot light) may help resolve the issue.
  • The gas supply is disrupted: If the gas supply to the water heater is disrupted, the pilot light may not be able to stay lit. This could be due to a problem with the gas line or with the gas valve on the water heater.
  • The thermocouple is faulty: If the thermocouple is faulty, it may not be able to accurately control the flow of gas to the pilot light, causing it to go out. Replacing the thermocouple may help resolve the issue.
  • The water heater is old or damaged: If the water heater is old or has sustained damage, it may be in need of repair or replacement. This could be causing the pilot light to go out.

If you are experiencing issues with your water heater and pilot light and are unable to resolve the issue on your own, it is a good idea to call a professional plumber to assess the problem and recommend a course of action. They will have the necessary skills and expertise to diagnose the issue and repair or replace any necessary parts.

Why is there a water leak under my water heater?

There could be several reasons for a water leak under a water heater. Some possible causes include:

  • A faulty or damaged water heater: The water heater itself may be leaking due to a crack in the tank or a faulty valve.

  • Corrosion: Over time, the water heater tank can corrode, especially if the water in your area is particularly hard or corrosive. This can lead to a leak.

  • Loose or damaged connections: If the connections between the water heater and the water supply lines are loose or damaged, this can cause a leak.

  • Temperature and pressure relief valve: The temperature and pressure relief valve is a safety feature that prevents the water heater from overheating or building up too much pressure. If this valve is faulty, it can cause a leak.

It’s important to address a water leak as soon as possible, as it can cause damage to your home and increase your water bill. If you’re unable to identify the cause of the leak or don’t feel comfortable attempting to fix it yourself, it’s best to call a plumber for assistance.

Why do I not get enough hot water or as much hot water as I used to?

There are several reasons why you might not be getting enough hot water, or as much hot water as you used to:

  • Insufficient hot water supply: If your water heater is not large enough to meet the demand for hot water in your home, you may not have enough hot water.
  • Water heater is not working efficiently: If your water heater is not working as efficiently as it should, it may not be able to produce enough hot water. This could be due to a variety of factors, such as a faulty heating element, sediment build-up in the tank, or a malfunctioning thermostat.
  • Leaks in the hot water system: If there are leaks in the hot water pipes or at the water heater itself, this can cause a loss of hot water.
  • Increased hot water demand: If there has been an increase in the number of people living in your home or an increase in the amount of hot water being used, this could also lead to a decrease in the amount of hot water available.

To determine the cause of the issue and find a solution, it may be helpful to consult a plumber or a professional who specializes in water heaters. They will be able to diagnose the problem and recommend the appropriate course of action.

Why does my water heater make a “rumbling” noise?

There are a few potential causes for a “rumbling” noise coming from a water heater:

  • Sediment build-up: If there is a build-up of sediment in the bottom of the water heater tank, it can cause a rumbling noise as the water is heated. This is because the sediment can obstruct the flow of water and cause it to swirl around the tank, creating a rumbling sound.

  • Expansion and contraction of the tank: As the water in the tank is heated, it expands, and as it cools, it contracts. This expansion and contraction can cause the tank to make a rumbling noise.

  • Loose parts: If there are loose parts inside the water heater, such as the heating element or the thermostat, they may move around and cause a rumbling noise.

It’s important to address the issue of a rumbling noise coming from your water heater, as it could indicate a problem with the appliance. If you’re unable to determine the cause of the noise or don’t feel comfortable attempting to fix it yourself, it’s best to call a plumber or a professional who specializes in water heaters for assistance.

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Our water heater began spewing water this morning.  John was the first plumber in the area to answer my call, and was able to get to my house within 10 minutes of the call.  He fixed the problem promptly and for what seemed to be a reasonable price.  He was friendly and informative.  I will definitely call John again and will recommend him to neighbors.  Thanks, John!
-Caitlin R


John has done numerous plumbing projects around my house and has always done excellent work.  He's quick to respond to my inquiry's and even replaced my water heater on a Sunday.  Most recently, I had him install a water purification system and new faucet.  His prices are reasonable and he will continue to be my go-to plumber.
-Rachel R.

Very helpful guy, thank you for the quick service and low service fee 🙂 Job well done.
-Sandra F.


These guys are the best! If you're looking for a legit plumber, call John's Plumbing & Drain Services in Atwater Village. Fairest price, honest and very knowledgeable!
-Ashley C.

Project: Install a Tankless Water Heater System

Comments: john and company were very efficient. they took their time and got the job done right. they replaced my standard water heater with a rinnai tankless water heater. while they were here, I also had them install a earthquake shut-off valve. great job at a reasonable price. I am keeping john as our regular plumber for the future.
Sergio S. in La Crescenta, CA

Project: Install, Repair or Replace Plumbing or Fixtures

Comments: My tenant is happy so I am happy. John was very patient with me and explained everything before he did the job. Very nice over the phone and I will use him again for future plumbing needs.

 Marilyn L. in Pasadena, CA

Project: Install, Repair or Replace Plumbing or Fixtures

Comments: I am very pleased. I've had John do the top priority job of repairing a leaking drainpipe and his work looks to be top notch. I'm definitely thinking of using him for the larger job of repiping the whole house (replacing the failing M-type copper with L-type). And again, John's bid is within my budget considerations. Highly recommended.

Homeowner in Glendale, CA

Project: Install or Replace a Water Heater

Comments: John was great. He gave me options and worked with me to find a solution that worked within my budget. Very professional. I will definitely use him again for any plumbing issues.

Laura W. in South Pasadena, CA

Project: Install or Replace a Water Heater

Comments: John was very responsive to my initial call, showed upon time and did excellent work at a fair price to replace my water heater. I highly recommend him and I plan to use him for future plumbing needs

Gary P. in Sherman Oaks, CA

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Comments: We had them run a snake from our sewer line out to the street, as we have lots of trees with roots that sometimes get into the line. They came as scheduled, did a great job and the price was as quoted.

Colleen L. in Pasadena, CA


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John's Plumbing & Drain Services

3847 Brunswick Avenue, LA, Ca, 90039

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