Leaking Water Heater or No Hot Water? Emergency Repair in Frisco & McKinney

Water heater problems never happen at the right time. One day everything’s fine. The next, you’ve got water dripping from the attic or your garage is flooded.

Most people don’t expect a water heater leak, but when it happens it can cause serious damage fast. And the truth is, if your water heater is over 6 years old and hasn’t been maintained or flushed, it’s not a question of if it’ll fail. It’s when.

FPP Plumbing provides licensed water heater repair and replacement across Frisco, Plano, McKinney, Allen, and nearby cities with same-day service available.

Water Heater Leaking Right Now? Do This First

Before anything else, stop the water. Every water heater has a shut-off valve on the cold line above the tank. Turn it clockwise until it stops. Can’t reach it or the valve won’t turn? Shut off water at the main by the street. Here’s our step-by-step guide on how to shut off your main water valve.

If it’s a gas unit and you smell gas, turn the gas control dial to OFF and leave the area before calling. For electric units, flip the breaker so the elements don’t burn out in an empty tank.

Then call or text us. Tell us where the heater sits: garage, closet, or attic. We’ll tell you honestly whether it’s a repair or a same-day replacement, and you’ll know the price before any work starts.

Attic Water Heaters and Texas Summer: A Bad Combination

Half the homes in Frisco and McKinney keep the water heater in the attic, and July is when those units give up. Attic temperatures hit 130 to 140 degrees, the tank and its connections expand and contract daily, and a unit that was already at year 8 or 9 picks the hottest week of the year to start leaking.

The first sign is usually a water stain on the ceiling, not a puddle you can see. When a tank fails, it usually fails all at once, and we regularly get late-night calls from homeowners whose attic heater ruptured and started flooding the ceiling. If you spot a fresh stain below the attic, don’t wait for it to spread. Shut off the water and call us. In most cases we replace a leaking attic unit the same day, with the drain pan and exterior drain line current code requires.

Is Your Water Heater Over 6 Years Old? It Might Be Time for Replacement

Most standard tank water heaters come with a 6-year manufacturer warranty. After that, the risk of internal corrosion, cracks, and full failure increases significantly, especially if the unit hasn’t been flushed or inspected regularly.

If your water heater is showing signs of:

Leaking from the bottom
Discolored or rusty hot water
Popping or banging sounds
No hot water or inconsistent temperature
Low water pressure

…it may be time to replace it. Repairing older, corroded tanks often leads to more problems and sometimes full failure within days. Replacement is safer and more cost-effective long-term. If you’re weighing the numbers, our water heater replacement cost guide breaks down what to expect.

When we replace a unit, we install professional-grade tank water heaters from Bradford White, built for plumbing professionals and not sold in big-box stores. Quality of the tank is half the answer to how long your next heater lasts.

Repair or Replace? How We Make the Call

Here’s the honest math we use on every visit. If the tank itself is leaking, the unit gets replaced. A leaking tank means corrosion has eaten through from the inside, and no repair fixes that. If the unit is under 6 years old and the problem is a heating element, thermostat, gas valve, or relief valve, a repair usually makes sense.

In our experience, about 90% of the water heaters we’re called about are already at the end of their lifespan. We’ll tell you which side of that line your unit is on before any work starts, with the price for both options.

Leaking or Burst Expansion Tank? That Counts as an Emergency Too

The expansion tank is the small tank mounted next to or above your water heater. It absorbs the extra pressure caused by thermal expansion when water heats up, and it fails more often than people think. Inside there’s a rubber bladder holding an air charge. Over the years the bladder wears out, the tank fills with water, and then one of two things happens: it starts leaking from the fitting, or the extra pressure it was supposed to absorb goes straight into your plumbing, stressing the water heater, supply lines, and faucets.

A failed expansion tank shows up as water dripping from the small tank itself, pressure spikes when you open a faucet, or the water heater’s relief valve suddenly discharging. In North Texas almost every home has a pressure reducing valve, which makes the plumbing a closed system, and Texas code requires a working expansion tank on closed systems. We repair and replace expansion tanks the same visit, check the air charge against your home’s actual water pressure, and install one on every replacement where code requires it.

Why Water Heaters Must Be Installed by Licensed Plumbers (Not Handymen)

Too often, we’re called in to fix dangerous installations done by unlicensed workers. We’ve seen:

Loose or disconnected vent pipes (risk of carbon monoxide leaks)
Missing expansion tanks
No sediment trap on the gas line
Undersized gas lines or unsafe fittings
No city permit or inspection

Improper installs like these aren’t just code violations. They’re safety risks. Water heaters must be installed by licensed plumbers, with city permits and final inspections. That’s not optional. It’s required in nearly every city we serve.

And here’s the part nobody tells you: your homeowners insurance can deny the claim. If an unpermitted install by an unlicensed worker leaks and floods your ceiling, the adjuster will ask who did the work and whether it was permitted and inspected. No license, no permit, no inspection can mean no payout, and you’re covering the water damage out of pocket. The few hundred dollars saved on a handyman install can turn into a five-figure repair bill that’s all yours.

Gas Line Mistakes That Can Lead to Carbon Monoxide Leaks

Improper gas line connections are another major concern. We’ve seen installs without proper shutoff valves, no drip legs (sediment traps), or incorrectly sized gas lines. In some cases, vent pipes weren’t even connected, exposing the home to carbon monoxide.

These aren’t small mistakes. They’re dangerous. A safe water heater installation requires licensed expertise and attention to code.

Why Flushing Your Water Heater Matters (and When It Might Be Too Late)

Manufacturers recommend flushing tank water heaters every 12 to 18 months. Over time, minerals and calcium build up and form a thick, cement-like layer inside the tank. This reduces efficiency, damages internal components, and can cause premature failure.

If your heater is over 6 years old and has never been flushed, flushing it now might do more harm than good. In that case, replacement is the safer route.

Licensed. Insured. Real. Why Homeowners Trust FPP Plumbing for Water Heaters

All plumbers are licensed by the Texas State Board of Plumbing Examiners
Fully insured
Permits pulled for every replacement
We coordinate and pass city inspections
Expansion tanks installed as required
We use only professional-grade parts and materials
Backed by a satisfaction guarantee

We don’t send unlicensed workers. We don’t cut corners. And we treat every job like it’s in our own home.

Water Heater Help Across Frisco, Plano & North Dallas

We provide emergency water heater repair and replacement in:

Not an emergency yet? For routine repairs and planned replacements, see our water heater repair and replacement page

Water Heater Issues – Real Questions From Frisco Homeowners

What’s the difference between 6-year and 12-year water heaters?

It’s mostly about quality. 12-year models have better parts inside and usually come with a longer anode rod and stronger warranty. We install both.

Is it normal for water to smell like gas from a water heater?

No, that’s not normal. It could be gas seepage or a pilot issue. Shut it off and call a licensed plumber — it’s a safety concern.

Can I replace just the heating element in my electric water heater?

Yes, sometimes that’s all it needs. But if the tank is old or rusty, it might not be worth fixing — we’ll help you decide what makes sense.

My ceiling has a water stain under the attic. Is it the water heater?

Very often, yes. In Frisco and McKinney half the water heaters sit in the attic, and a fresh ceiling stain below it is usually the first sign of a leaking tank or a failed drain pan. Shut off the water at the valve above the heater or at the main, and call us. In most cases we replace a leaking attic unit the same day.

Water is dripping from the small tank next to my water heater. What is it?

That’s the expansion tank, and dripping means it has failed. Inside is a rubber bladder that wears out over the years. Once it goes, the tank either leaks or stops absorbing pressure, which stresses your water heater and supply lines. We replace expansion tanks the same visit and set the air charge to match your home’s water pressure.

What a recent customer in Frisco Lakes wrote:

“The water heater flush I was going to get turned into a bigger project. Davis had never seen the expansion tank installed at such a weird angle and not secured. He rebuilt the expansion tank and installed correctly. That tank could have fallen off with major water leakage. I felt pricing was fair with total transparency on supply costs. Davis was polite, courteous and explained all services well. Highly recommend FPP.”

Jan S., Local Guide, Frisco Lakes

Same-Day Water Heater Repair in Frisco, Plano & North Dallas

Leaking tank? No hot water? Need fast replacement by a licensed plumber?

We offer same-day water heater repair and full replacement, with permits, inspections, and expert work you can count on.

Call or text now:
Frisco: 469-998-8999
Plano: 980-899-7997
Email: request@fppplumbing.com

Prefer to see our offices and maps first? Visit our contact page.