Signs Your Water Heater Needs Attention

• No hot water — The most obvious sign. Could
  be a failed heating element, a tripped circuit breaker, a
  faulty thermostat, or a pilot light issue on gas units.
  Most of these are repairable without replacing the unit.
• Not enough hot water — Running out of hot
  water faster than you used to, or hot water that doesn’t
  last through a shower, typically indicates a failed lower
  heating element on electric units or heavy sediment buildup
  reducing the effective tank capacity.
• Water not hot enough — If the water is warm
  but never reaches the temperature it used to, a thermostat
  failure or a partial element failure is usually the cause.
• Popping, rumbling, or banging sounds — This
  is sediment buildup on the bottom of the tank. Mineral deposits
  from Burleson and south DFW’s water supply accumulate over
  time and get superheated when the element fires. It’s a sign
  the unit is working harder than it should and wearing faster
  than normal.
• Leaking from the tank body — A leak from
  the tank itself — not from a connection or fitting — almost
  always means the tank has corroded from the inside and
  replacement is necessary. A leaking tank cannot be repaired.
• Leaking from connections or fittings — Leaks
  at the cold inlet, hot outlet, pressure relief valve, or drain
  valve are often repairable without replacing the whole unit,
  depending on the age and overall condition.
• Rust-colored or discolored hot water — Rusty
  water from the hot side specifically points to internal tank
  corrosion. This is a replacement indicator, not a repair
  situation.
• Pressure relief valve discharging — If the
  T&P (temperature and pressure relief) valve is dripping
  or releasing water, either the water temperature is set too
  high, the valve itself has failed, the Thermostat is stuck or there’s a pressure
  issue in the system. This needs attention promptly — a failed
  T&P valve or failed Thermostat is a safety concern.

Repair or Replace — How We Help You Decide

This is the question most homeowners have when a water heater
starts having problems, and the honest answer depends on a few
specific factors. Here’s how we think about it:

When Repair Makes Sense

If the unit is less than 8 to 10 years old and the problem is
an isolated component failure — a bad thermostat, a burned-out
heating element, a faulty pilot assembly, or a leaking fitting
— repair is usually the right call. These are straightforward
fixes and a quality water heater with a repaired component
should give you several more years of service.

We carry common replacement thermostats, heating elements, and
other components on the truck. Most element and thermostat
replacements are completed in a single visit.

When Replacement Makes More Sense

Several situations point toward replacement rather than repair:

• The unit is 12 or more years old — at this age in Burleson’s
  hard water conditions, sediment accumulation and internal wear
  make repeated repairs an increasingly poor investment.
• The tank body is leaking — this cannot be repaired and means
  the tank has corroded through internally.
• The water is rust-colored from the hot side — internal
  corrosion that has progressed to this stage means the tank
  is deteriorating.
• The unit has needed multiple repairs in a short period —
  a water heater that keeps having problems is telling you
  it’s at the end of its service life.
• The repair cost is more than half the cost of a new unit —
  general rule of thumb that applies to older water heaters
  especially.

If your unit is borderline — say, 10 to 12 years old with a
repairable problem — we’ll give you the repair cost and the
replacement cost and let you make an informed decision. We
don’t have a financial incentive to push you either direction.

Water Heater Repairs We Perform

Heating Element Replacement (Electric)

Electric water heaters have two heating elements — upper and
lower. When the lower element fails, you get hot water that
runs out quickly. When the upper element fails, you may get
no hot water at all. A failed element often trips the circuit
breaker as well. We test both elements and replace the failed
one — or both if the unit is at an age where one failure
predicts the other is close behind.

Thermostat Replacement

Both electric and gas water heaters have thermostats that
control the heating cycle. A failed thermostat can cause
water that’s too hot, not hot enough, or inconsistent. We
test and replace thermostats on both electric and gas units.

Pilot Light and Igniter Issues (Gas)

Gas water heaters rely on a pilot light or electronic igniter
to light the burner. A pilot that won’t stay lit, a
thermocouple that has failed, or an electronic igniter that
has stopped sparking are all repairable issues that don’t
require replacing the heater. We diagnose gas control valve
issues and thermocouple failures and replace the components
that have failed.

Pressure Relief Valve Replacement

The T&P valve is a safety device that releases if tank
pressure or temperature gets too high. These valves can
fail in two ways — they can weep or discharge when they
shouldn’t, or they can fail to open when they should. A
T&P valve that is dripping should be tested and replaced
if it’s not closing properly. This is not a repair to defer
— a failed T&P valve on a water heater is a safety issue.

Anode Rod Replacement

The anode rod is a sacrificial magnesium or aluminum rod
inside the tank that corrodes in place of the tank lining,
significantly extending tank life. Most homeowners don’t
know this exists. In Burleson’s hard water conditions, anode
rods deplete faster than average — a rod that’s been in place
for more than 4 to 5 years without inspection in this water
may be gone entirely, leaving the tank to corrode unprotected.
Replacing a depleted anode rod on a tank that is otherwise
in good condition is one of the most cost-effective water
heater maintenance steps available.

Supply Line and Connection Repairs

Leaks at the cold water inlet, hot water outlet, or drain
valve connections are common on water heaters in this area —
particularly where original flexible supply lines have
aged and the connection fittings have corroded. We replace
supply lines, repair fittings, and address drain valve
issues as standalone repairs when the tank itself is
otherwise sound.

Water Heater Replacement — What We Install

Standard Tank Water Heaters

We install standard gas and electric tank water heaters in
30, 40, and 50 gallon sizes — the most common configurations
for Burleson and south DFW homes. We carry quality units from
established manufacturers and can typically complete a
straight replacement in two to three hours including
disconnection, removal of the old unit, installation, and
testing of the new one.

For most south DFW homes, a 40 or 50 gallon gas or electric
tank heater is the right replacement choice. We’ll confirm
the right size for your household before installation.

Replacing a Tankless Water Heater With a Standard Tank Unit

We don’t service or install tankless water heaters, but we
do get regular calls from homeowners whose tankless unit has
failed and who want to convert back to a standard tank heater.
This is a straightforward job we handle often. If your tankless
unit has stopped working and you’d rather replace it with a
reliable standard tank heater than deal with the maintenance
demands and repair costs of a tankless system — that’s a
completely reasonable decision and we can take care of it.
Call us and we’ll discuss the right tank size for your
household and get it installed.

Hard Water and Your Water Heater

Burleson and the surrounding south DFW area have some of
the hardest water in Texas. The mineral content —
primarily calcium and magnesium — is significantly above
the national average. This matters for water heaters in
specific ways:

• Sediment deposits build up on the bottom of tank heaters
  faster than in soft-water areas, reducing efficiency
  and accelerating tank wear. A water heater in Burleson
  typically shows sediment accumulation in 3 to 5 years
  that might take 8 to 10 years in softer-water markets.
• The popping and rumbling sounds common in older water
  heaters in this area are sediment being superheated —
  it’s a sign the unit is working harder than it should.
• Anode rods deplete faster in hard water, removing their
  protective effect from the tank lining sooner than
  the manufacturer’s schedule assumes.

If you’re replacing a water heater and want to extend the
life of the new unit, flushing the tank annually and having
the anode rod inspected every four to five years makes a
meaningful difference in hard water conditions. We can
advise on a simple maintenance schedule when we’re on site.

Frequently Asked Questions — Water Heater Repair & Replacement

How long should a water heater last in Burleson TX?

In Burleson’s hard water conditions, a standard tank water
heater typically lasts 10 to 14 years with normal use — somewhat
shorter than the 15-year lifespan often cited in softer-water
markets. Regular anode rod maintenance and annual flushing can
extend that range.

My water heater is 11 years old and the element just failed — repair or replace?

At 11 years in this area, you’re in borderline territory. If
the tank is not leaking, the water isn’t rusty, and the unit
has been otherwise reliable, a single element replacement is
a reasonable call that could give you a few more good years.
If there’s been more than one repair in recent years or the
unit has heavy sediment buildup, replacement is the cleaner
decision. We’ll give you an honest read when we look at it.

How long does water heater replacement take?

A standard tank replacement typically takes two to three hours
from arrival to hot water flowing — disconnect the old unit,
remove it, install the new one, connect and test.

Can you install a water heater same day?

For standard tank replacements yes — we carry common unit
sizes on the truck. If we don’t have your exact size on
hand, we can typically source it same day or next morning.
Call us and describe your current unit — size, gas or
electric, location — and we’ll confirm availability.

My water heater is making a popping noise — do I need to replace it?

Not necessarily. Popping or rumbling from a tank heater is
sediment buildup — it’s a maintenance issue that indicates
the unit is working harder than it should, but it doesn’t
automatically mean replacement. Whether the right answer
is a flush, an element check, or replacement depends on
the unit’s age and overall condition. Call us and we’ll
assess it honestly.

What size water heater do I need?

For most Burleson-area households: a 40-gallon unit is
sufficient for one to three people, and a 50-gallon unit
is right for three to five people. Larger households or
homes with multiple simultaneous users may need a 75-gallon
unit or a tankless system. We’ll confirm the right size
for your household when we’re on site.

Schedule Your Water Heater Repair or Replacement

Whether your water heater stopped working this morning or
you’ve been noticing problems for a while — give us a call.
We’ll diagnose it honestly, tell you your options, and get
it fixed the same day in most cases.

📞 Call Dependable Plumbing at
(817) 447-2654
Free estimates · Same-day service available · Serving Burleson
and south DFW since 1985