Skip to main content
4.9/550,000+ Happy ClientsFinancing available

Water Heater Repair in the Las Vegas Valley

Water heater repair for gas and electric tanks and tankless units in the Las Vegas Valley - pilots, elements, valves, leaks, sediment and error codes.

Active Plumbing has provided water heater repair across the Las Vegas Valley since 1991. License #0047021. Fully insured.

  • Serving the Las Vegas Valley since 1991, license #0047021
  • 4.9 on Google across more than 880 reviews
  • Written price before work starts, open 24/7

Customer financing available. Ask us about options.

Technicians arrive in 30-60 minutesWritten price before work starts

Get Your Quote

Open 24/7. Written price before work starts.

BBB

BBB A+ Rated

Accredited Business with an A+ rating from the Better Business Bureau.

Licensed & Insured

Nevada plumbing contractor - Lic #0047021 - with full liability coverage.

Since 1991

35+ years serving the Las Vegas Valley - family-owned and operated.

24/7 Emergency Service

Nights, weekends, and holidays - real emergency response across the Valley.

Two Active Plumbing plumbers performing a residential water heater installation and inspection for Water Heater Repair in Las Vegas

What Is Water Heater Repair?

Water heater repair is the diagnosis and replacement of the failed component in a tank or tankless heater - a thermocouple, gas control valve, heating element, thermostat, anode rod, temperature and pressure relief valve or tankless sensor. In the Las Vegas Valley, very hard water leaves sediment in tanks and scale in tankless heat exchangers, so many faults trace back to mineral buildup. A leak from the tank body itself is the one problem that cannot be repaired.

Trusted Water Heater Repair in the Las Vegas Valley

The Southern Nevada Water Authority reports valley water at about 280 parts per million, roughly 16 grains per gallon, which is very hard. In a tank, that mineral load settles as sediment on the bottom, where it insulates the burner or lower element and makes the heater work harder. A tank left unflushed fails earlier than its rated life. In a tankless unit, the same minerals scale the narrow heat exchanger passages and trigger flow and overheat error codes.

On a gas tank, no hot water usually points to the pilot, thermocouple or gas control valve. On an electric tank, it is usually an element, a thermostat or a tripped high-limit switch. Popping or rumbling means sediment. Rusty hot water or a sulfur smell points to the anode rod. A drip from a fitting or the relief valve is a repair, while a leak from the tank shell means the steel has failed and Tank Water Heater Installation is the answer. Scale-related tankless faults often call for Tankless Maintenance & Descaling rather than new parts.

Active Plumbing is a fourth-generation family business serving the valley since 1991, licensed under #0047021 and insured. We work on gas and electric tanks and tankless units, explain the cause before we touch anything, and follow up after the job. If you smell gas near the heater, leave the house, avoid switches and flames, and call Southwest Gas from outside first. For everything else, call (702) 438-3357 any hour.

Get Your Quote

Tell us what's going on and we'll get back to you. We're open 24/7.

Why Choose Active Plumbing for Water Heater Repair

Why Choose Us

Active Plumbing has repaired water heaters across the Las Vegas Valley since 1991 as a fourth-generation family business, with some owners who are US military veterans. We are licensed under Nevada State Contractors Board #0047021, insured, and rated 4.9 on Google across more than 880 reviews. Technicians arrive in 30 to 60 minutes, trucks carry common repair parts, and you get a written price and an honest repair-or-replace answer before work starts. Warranties cover parts and labor, and customer financing is available.

Water heater repair is performed by Active Plumbing under Nevada State Contractors Board license #0047021, verifiable at nvcontractorsboard.com. Work follows the Southern Nevada Amendments to the Uniform Plumbing Code, including relief valve drain and drain pan requirements. Gas valve or venting work can require a permit from the building department for your address. Active Plumbing is insured.

Common Water Heater Repair Scenarios

Gas tank with no hot water and a pilot that will not stay lit - typically a failed thermocouple or gas control valve.

Tankless unit shutting down with an error code - often scale in the heat exchanger from very hard valley water.

Water pooling under a garage tank - a relief valve or fitting leak is repairable, a tank shell leak is not.

Water Heater Repair service in Las Vegas

Ready to Get Started?

Trusted plumber in Las Vegas since 1991. Call now or book online. Technicians arrive in 30 to 60 minutes.

Common Water Heater Repair Problems

Sediment buildup on the tank floor from very hard valley water, failed thermocouples and gas control valves on gas tanks, burned-out elements and faulty thermostats on electric tanks, depleted anode rods, leaking relief valves and fittings, and scale inside tankless heat exchangers. Garage-installed units also take summer heat and winter cold, which stresses exposed connections and venting.

Our Water Heater Repair Process

Call and describe the symptom

Call (702) 438-3357 and tell us what the heater is doing - cold water, a leak, a noise or an error code - and whether it is gas, electric or tankless. A technician arrives in 30 to 60 minutes.

Diagnose the failed part

The technician checks supply, controls, elements or thermocouple, anode rod, relief valve and connections, or reads the tankless error code, and finds the actual cause.

Written price and recommendation

You get a written price before work starts, along with an honest view on whether repair or replacement is the better value for your unit.

Repair and test

We replace the part, flush sediment where needed, and run the heater through a full cycle to confirm it heats and holds pressure properly.

What's Included in Water Heater Repair

  • Diagnosis of gas, electric and tankless water heaters
  • Repair of thermocouples, gas valves, elements, thermostats, anode rods and relief valves
  • Written price and repair-or-replace recommendation before work starts
  • Operational test after the repair

Water Heater Repair Costs and Timelines

Water heater repair typically runs $150 to $500 in the Las Vegas Valley, depending on the part and the type of unit. That is a typical market range, not a quote. We can give a general idea on the phone, and the technician gives you a written price on site before work starts. Many repairs finish in one visit because trucks carry common parts. If the tank itself is leaking or the repair would cost close to a new unit, we tell you that before you spend money.

Methods, Materials & Quality Standards

Diagnosis starts with the basics - gas or power supply, thermostat setting, reset switch and the rating plate for age. We then test the thermocouple or elements with a meter, check the gas control valve, inspect the anode rod where accessible, test the temperature and pressure relief valve and look for leaks at connections. Sediment is flushed from the tank. On tankless units we read the error code, check inlet screens and flow, and test sensors before replacing parts. Replacement parts match the manufacturer's specifications for the unit, and relief valve drains are run in materials the local plumbing code allows. We repair tank and tankless water heaters from Rheem, Bradford White, A.O. Smith, Rinnai, Navien and Noritz.

Water heater repair is performed by Active Plumbing under Nevada State Contractors Board license #0047021, verifiable at nvcontractorsboard.com. Work follows the Southern Nevada Amendments to the Uniform Plumbing Code, including relief valve drain and drain pan requirements. Gas valve or venting work can require a permit from the building department for your address. Active Plumbing is insured.

Risks of Waiting

  • A small leak at a fitting or relief valve can soak drywall, flooring and garage contents
  • Sediment keeps building, making the heater work harder and fail earlier
  • A weak part can fail completely and leave the household without hot water

What to Do Next

If the tank is leaking, shut the cold supply valve above the heater and turn off the gas or the breaker, then call (702) 438-3357. If you smell gas, leave the house and call Southwest Gas from outside before calling us. For no hot water or an error code, note the code or symptom and call - we are open 24/7.

Licensed Water Heater Repair Serving Las Vegas NV

Water heater repair touches gas, electricity, water pressure and venting, so it belongs with a licensed contractor. Active Plumbing holds Nevada State Contractors Board license #0047021, verifiable at nvcontractorsboard.com, where status and classification are public record. We are insured, and we have served the Las Vegas Valley since 1991 as a fourth-generation family business.

Repairs follow the local plumbing code, which in this valley is the Southern Nevada Amendments to the Uniform Plumbing Code. That code covers details such as relief valve drain lines and drain pans where a leak would cause damage. A like-for-like part swap usually needs no permit, but gas valve, venting or relief valve work can, and the permit comes from the building department for your address. For a Las Vegas address that is usually the City of Las Vegas, while unincorporated areas such as Paradise or Spring Valley fall under Clark County.

Gas safety comes first. If you smell gas near the heater, leave the house, avoid switches and flames, and call Southwest Gas from outside before calling us at (702) 438-3357. Do not attempt gas valve work yourself.

No Hot Water in Las Vegas - Common Causes and Repairs

No hot water usually comes down to one failed part. On a gas tank, the likely causes are a pilot that has gone out, a worn thermocouple that will not hold the pilot, or a faulty gas control valve. On an electric tank, it is usually a burned-out element, a failed thermostat or a tripped high-limit switch. Hot water that runs out early often means one of two elements has failed or sediment has filled the bottom of the tank.

Hard water plays a part in many of these calls. The Southern Nevada Water Authority reports valley water at about 280 parts per million, roughly 16 grains per gallon. Minerals settle on the tank floor, insulate the burner or lower element and make the heater work harder. On tankless units, scale in the heat exchanger triggers shutdowns and error codes.

Before you call, check that the gas supply is on or the breaker has not tripped, and note any error code. Then call (702) 438-3357. Water heater repair typically runs $150 to $500 in the Las Vegas Valley, and you get a written price on site before work starts.

Water Heater Service Across Las Vegas - What Active Plumbing Covers

Active Plumbing's water heater service covers gas and electric tank heaters and tankless units across the Las Vegas Valley, from the first diagnosis through the repair and a final test. The work includes pilot, thermocouple and gas control valve faults on gas tanks, heating elements, thermostats and high-limit switches on electric tanks, anode rods, temperature and pressure relief valves, leaking fittings and sediment flushing. On tankless units it covers error code diagnosis, inlet screens, flow and temperature sensors and scale in the heat exchanger.

We are open 24/7 and technicians arrive in 30 to 60 minutes anywhere in the valley. Trucks carry common repair parts, so many jobs finish in one visit. When a repair is not the right call, the same team handles Tank Water Heater Installation, Tankless Water Heater Installation, Tankless Maintenance & Descaling and Recirculation Pump Installation, so you are not passed to another company halfway through.

Every visit ends with a written price before work starts and a plain explanation of what failed. Call (702) 438-3357 to describe what your heater is doing.

Planning a Water Heater Replacement in Las Vegas - When It Makes More Sense Than Repair

Repair is usually the better value when one part has failed on a tank that is otherwise sound. Replacement makes more sense in a few clear situations. A leak from the tank shell itself means the steel has failed, and no repair will fix it. Rusty hot water on an older tank often means the anode rod is long gone and the tank is corroding from inside. Repeated repairs on the same heater, heavy sediment that keeps coming back, or a unit well past its rated life all point the same way.

Planning ahead helps. Replacing a tired tank before it fails lets you choose the size and type rather than taking whatever is on hand during an emergency. Tank water heater installation typically runs $800 to $1,500 in the Las Vegas Valley and tankless water heater installation $1,500 to $3,500. These are typical ranges, not a quote. Replacement work needs a permit from the building department for your address and follows the Southern Nevada Amendments, including drain pan and relief valve drain requirements.

On any repair call, the technician gives you a written price for the repair and, where it is worth discussing, for replacement, so you can compare. Call (702) 438-3357.

Water Heater Repair Services for North Las Vegas NV Homeowners

Active Plumbing repairs water heaters for North Las Vegas homeowners as part of our valley-wide service, with technicians arriving in 30 to 60 minutes and open 24/7. The repairs are the same ones we handle across the valley - thermocouples, gas control valves, elements, thermostats, anode rods, relief valves and fitting leaks on tank units, and error code diagnosis and descaling on tankless units.

North Las Vegas homes are served by the same very hard valley water, which the Southern Nevada Water Authority puts at about 280 parts per million, roughly 16 grains per gallon. That means sediment in tanks and scale in tankless heat exchangers show up here as often as anywhere in the valley, and flushing is part of many repairs.

North Las Vegas is its own city with its own building department, so any permitted work, such as gas valve or venting changes, goes through the City of North Las Vegas rather than Clark County. We confirm the requirement for your address before starting. Call (702) 438-3357 and you will get a written price before work begins.

Tankless Water Heater Repair in Las Vegas NV

Tankless water heaters do well in many valley homes, but very hard water is hard on them. The Southern Nevada Water Authority reports about 280 parts per million, roughly 16 grains per gallon, and those minerals scale the narrow passages of the heat exchanger. The result is reduced flow, fluctuating temperature, and flow or overheat error codes that shut the unit down mid-shower.

Our tankless repair starts with the error code, then the inlet water screen, gas supply or power, venting, and the flow and temperature sensors. Many faults trace back to scale rather than a broken part, and the fix is descaling - circulating a descaling solution through the heat exchanger and cleaning the screen. Tankless maintenance and descaling typically runs $150 to $250 in the Las Vegas Valley. Where a sensor, igniter or other component has actually failed, we replace it with a part that matches the manufacturer's specification.

Garage-mounted units also face summer heat and the occasional winter freeze on exposed lines, so we check those connections too. You get a written price before work starts. Call (702) 438-3357.

Hot Water Heater Repair Near You in Las Vegas

When your water heater fails, you want someone nearby who can get there and fix it on the first visit. Active Plumbing is based in the Las Vegas Valley, open 24/7, and technicians arrive in 30 to 60 minutes anywhere in the valley, including Henderson, North Las Vegas, Summerlin and the unincorporated county areas.

Our trucks carry common repair parts such as thermocouples, elements, thermostats, relief valves and anode rods, so many repairs finish in one visit. We can give a general idea of pricing on the phone, and the technician gives you a written price on site before work starts. We have served valley homeowners since 1991, hold a 4.9 rating on Google across more than 880 reviews, and follow up after the job.

While you wait, shut the cold supply valve above the heater if it is leaking and turn off the gas or the breaker. If you smell gas, leave the house and call Southwest Gas from outside first. Otherwise, call (702) 438-3357 and tell us what the heater is doing.

What Customers Say About Our Water Heater Repair

Real reviews from customers we've served for Water Heater Repair.

The 40-gallon tank started weeping at the anode port. Same-day swap, seismic straps, and the old unit hauled off the pad. That call was from Lake Las Vegas. Hot water was back before the kids got home from school.

Kieran M.

Lake Las Vegas, Henderson

Google review, September 2026

The ice machine at a clinic break room was on a garden-hose tap. A dedicated filtered line with a shutoff and a drain to an indirect receptor. That call was from The Section 10. Facilities passed the next infection-control walk.

Koa Y.

The Section 10, Spring Valley

Google review, August 2026

The washer box sat too high and the standpipe siphoned. They dropped the box, reset the trap, and vented the arm. That call was from Sovana. Suds stay in the machine.

Moss A.

Sovana, Spring Valley

Google review, July 2026

Water Heater Repair - Frequently Asked Questions

Water heater repair typically runs $150 to $500 in the Las Vegas Valley, depending on the part and whether the unit is gas, electric or tankless. That is a typical range, not a quote. Active Plumbing gives you a written price on site before any work starts.

A like-for-like part swap usually does not, but gas valve, venting or relief valve work can. Permits come from the building department for your address - the City of Las Vegas, Henderson, North Las Vegas, Boulder City or Clark County for unincorporated areas. We confirm the requirement for your address before starting.

Active Plumbing holds Nevada State Contractors Board license #0047021, verifiable at nvcontractorsboard.com, where status and classification are public record. We have served the valley since 1991 and are rated 4.9 on Google across more than 880 reviews.

That is sediment. Valley water is about 280 parts per million, roughly 16 grains per gallon, and the minerals settle on the tank floor. Water trapped under the layer boils and pops. Flushing the tank removes it, and leaving it makes the heater work harder and fail earlier.

If the tank shell is leaking, it needs replacing. If a part such as an element, thermocouple or valve has failed on a tank in otherwise good condition, repair is usually the better value. We look at age, condition and repair history and give you a straight answer with the written price.

It is a metal rod that corrodes so the steel tank does not. Once it is used up, the tank starts to rust from inside, which shows up as rusty hot water. A sulfur smell can also point to the rod. Checking and replacing it is one of the simplest ways to protect a tank.

Yes. We read the error code, check inlet screens, flow and sensors, and find the real cause. In valley water, many tankless faults come from scale in the heat exchanger, which is handled with descaling rather than new parts.

Leave the house, do not use switches or flames, and call Southwest Gas from outside. Once the utility has made it safe, call Active Plumbing at (702) 438-3357 for the repair. Do not try to work on the gas valve or line yourself.

SERVICE AREAS

Water Heater Repair Near You

Active Plumbing provides water heater repair throughout the Las Vegas Valley.

Related Water Heater Services

OUR SERVICE AREA

Proudly Serving All of Las Vegas Valley

Address:3580 Polaris Ave #17, Las Vegas, Nevada 89103Phone:(702) 438-3357Hours:Open 24/7Email:service@activeplumbinginc.com

Active Plumbing is Las Vegas-based and open 24/7 for residential and commercial plumbing across Las Vegas Valley. We handle Emergency Plumbing, Drain & Sewer Services, Water Heater Services, Water Treatment, Gas Line Services, Pipe & Fixture Services and Sewage & Waste Services, with warranties on parts and labor.

Our licensed technicians serve Enterprise, Henderson, Las Vegas, North Las Vegas, Paradise, Spring Valley, Summerlin, Sunrise Manor, Whitney, Winchester, and the surrounding neighborhoods.

Let's Start a Conversation

Book Your Service Call Now

Contact us:

(702) 438-3357

service@activeplumbinginc.com

3580 Polaris Ave #17, Las Vegas, Nevada 89103

Hours: Open 24/7