Water leaking from the base of the tank
We isolate the water, drain the tank, and replace it the same day. If the leak has already spread, we can recommend water damage pros, but stopping the source comes first.
Licensed plumbers, same-day swap outs, and hot water back on today
Water Heater Replacement Littleton CO done right the first time
When your tank finally gives out, Water Heater Replacement Littleton CO homeowners trust starts with a crew that shows up, hauls the old unit out, and has you back in hot water the same day. We handle gas and electric tanks, tankless upgrades, and emergency leaks across Arapahoe County. One call, one price, no surprises.
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Careful work. Honest options.
About this service
Water Heater Replacement Littleton CO: What the Job Really Involves
Water Heater Replacement Littleton CO is the full removal and installation of a new storage-tank or tankless water heater, including draining the old unit, disconnecting gas or electrical supply, swapping the T&P valve and expansion tank, and pressure-testing every connection before we leave. It is not a patch job. We pull the old tank, inspect the dip tube and anode rod, flush the line, and set the new unit on a code-correct stand or pan.
Most Littleton calls come in when a 10-to-12-year-old tank starts leaking from the base or the pilot light won't stay lit. Cold Colorado groundwater and Front Range sediment buildup wear tanks faster here than in softer-water states, so a unit that would last 15 years in Phoenix often quits at 10 in Littleton. If you're searching for a water heater swap out Littleton homeowners can schedule fast, we run same-day and 24/7 emergency crews across 80120, 80122, and 80123.
- ✓ Hot Water Back Today
- ✓ Lower Monthly Gas Bills
- ✓ No More Leak Damage
- ✓ Code-Correct Install
What's included
What's Included in a Water Heater Replacement
Every replacement we do includes the tank, the labor, the code-required parts, the permit where needed, and haul-away of the old unit. You get one flat price and no surprise line items. Here is what shows up on the job.
✓
New Tank and Fittings
A new Rheem, A.O. Smith, or Bradford White tank sized to your household, plus fresh dielectric unions, a new T&P valve, an expansion tank, and a sediment filter where the water runs hard.
✓
Full Removal and Haul-Away
We drain the old tank, disconnect the gas or power, remove it from the closet or basement, and take it with us. No tank sitting on your curb, no disposal fee tacked on later.
✓
Code-Correct Installation
Proper venting, gas line sizing, pan or stand, and clearances to Colorado plumbing code. We pull the permit when required and coordinate the inspection so it passes the first time.
✓
Pressure Test and Purge
We purge air from the lines, pressure-test every joint, run the multimeter across the elements, and confirm the pilot or ignition holds before we call the job done.
✓
Walkthrough and Warranty
You get a walkthrough of the shutoff valve, the thermostat setting, and the anode rod schedule, plus the manufacturer warranty and our own labor warranty in writing.
How it works
How Our Replacement Process Works
01
Call and Diagnose
You call (720) 698-9814 and describe what you're seeing: rusty water, a puddle, no hot water, or a pilot that keeps dying. We ask the tank's age and fuel type, then give you a straight answer on whether it needs a swap out or a repair. Most calls get a same-day window.
02
On-Site Assessment
A licensed plumber arrives, checks the tank with a multimeter and pressure gauge, and confirms the failure. We measure the space, check venting and gas line sizing, and walk you through tank vs. tankless options with pricing before anything gets touched.
03
Drain and Remove
We shut the gas or breaker, hook a hose to the drain valve, and empty the tank. The old unit comes out, we inspect the pan and shutoff valve, and we haul the tank away with us. This stage usually takes 45 to 60 minutes.
04
Install and Test
The new tank goes in on a code-correct stand or pan with fresh dielectric unions, a new T&P valve, and an expansion tank. We solder or crimp the connections, purge the air, light the pilot or restore power, and run the multimeter across the elements to confirm proper draw.
05
Walkthrough and Cleanup
We set the thermostat to 120 degrees, run hot water at the nearest fixture, and check every joint for weeping. You get a walkthrough of the shutoff, the anode rod schedule, and your warranty paperwork. We leave the closet cleaner than we found it.
Tools & methods
Tools and Methods We Use on Every Swap
Purpose-built equipment, used by trained technicians — so the job is done accurately the first time.
Pipe wrench and tube cutter
Used to break loose old fittings and cut copper or PEX cleanly so the new connections seat properly without leaks.
Soldering torch
For copper sweat joints on the new supply lines, done to code with proper flux and heat control.
Multimeter
Tests heating elements, thermostats, and power draw on electric tanks to confirm the new unit is running correctly.
Pressure gauge
Checks incoming water pressure and confirms the expansion tank is charged to the right setting for your home.
Water heater element wrench
Removes and installs heating elements on electric tanks without damaging the tank threads.
Inspection camera
Lets us look inside the old tank and behind the closet wall to check for corrosion and hidden leaks before we install.
Descaling pump
Flushes tankless units and clears mineral scale so heat exchangers stay efficient in Littleton's hard water.
Real results
Before and after.
Leaking 12-Year Tank in Downtown Littleton
Before
A 50-gallon tank was weeping from the base and had already stained the closet floor. The homeowner was catching water in a bucket and worried about damage to the adjacent furnace.
After
We drained and removed the old tank, installed a new 50-gallon unit on a code-correct pan with fresh fittings and an expansion tank, and had hot water running in 4 hours. The floor stayed dry.
Tankless Upgrade in Columbine Hills
Before
A family of five kept running out of hot water with a 40-gallon tank. The unit was 11 years old and the gas bill had climbed steadily for two years.
After
We installed a Navien condensing tankless unit, ran new venting and a condensate drain, and sized the gas line correctly. The family now has endless hot water and cut the water-heating portion of their gas bill by about 15 percent.
Emergency Holiday Swap in 80128
Before
A tank failed on a Saturday night before a holiday weekend, flooding the utility room. The homeowner had no hot water and could not reach anyone for a same-day appointment.
After
Our 24/7 crew arrived within two hours, isolated the water, and completed a same-day replacement with a Bradford White tank from the truck. Hot water was back by morning with no further water damage.
Problems we solve
Water Heater Problems We Solve in Littleton
Most tanks give you warning signs before they fail completely. Here are the four we see most often, and what happens if you wait.
Ask a pro →↗
No hot water or pilot light won't stay lit
We test the thermocouple, gas valve, and elements with a multimeter. If repair makes sense, we fix it. If the tank is past 10 years, we quote a replacement and can install it the same day.
Rusty or metallic-smelling hot water
We inspect the anode rod and tank interior with an inspection camera. If corrosion has reached the lining, we replace the tank before it fails and flush the lines to clear the rust.
Popping noises and rising energy bills
We flush the tank and check the sediment level. If buildup is heavy and the tank is older, replacement with a new unit and a sediment filter solves it long term.
Proof you can check
Licensed, Insured, and Warrantied
✓
State plumbing licenseColorado plumbing authority
✓
EPA 608 certificationU.S. Environmental Protection Agency
✓
OSHA 10 certificationOccupational Safety and Health Administration
✓
Manufacturer trainingRheem, A.O. Smith, Bradford White, Navien
Good questions
Frequently Asked Questions About Water Heater Replacement in Littleton
(720) 698-9814 →Most standard 40- to 50-gallon replacements run $1,200 to $2,400 installed in 2026, including the tank, labor, permit, and haul-away. Tankless upgrades typically land between $3,500 and $6,500 depending on venting and gas line work. Electric swaps sit at the lower end, power-vent and condensing units at the higher end.
The best service is the one that shows up when it says it will, quotes a flat price, and stands behind the work. We are a licensed, insured local crew with same-day availability, manufacturer training on Rheem, A.O. Smith, and Navien, and a labor warranty on every install. Call (720) 698-9814 and judge for yourself.
Yes. Our emergency line runs 24 hours a day, seven days a week across Littleton and Arapahoe County. If your tank is actively leaking or you have no hot water, call and we will dispatch a plumber, often within a couple of hours. We can isolate the water and stop the damage first, then complete the swap.
A standard tank-for-tank swap takes 3 to 5 hours from arrival to hot water. Tankless conversions run 5 to 8 hours because of venting and gas line modifications. If you need same day water heater replacement service Littleton, book before noon and we can usually have you running hot by evening.
More services
Other Water Heater Services We Handle
Water Heater RepairNot every failure means a new tank. If your unit is under 8 years old, we often fix it for a fraction of replacement cost by swapping a heating element, thermostat, T&P valve, or anode rod. We diagnose honestly and only recommend replacement when repair no longer makes sense.Explore →
Water Heater InstallationNew construction, remodels, and first-time installs across Littleton. We size the unit to your household, run code-correct venting and gas lines, and set it on a proper pan or stand. This is the same crew and same standards you get on a replacement.Explore →
Tankless Water Heater InstallationUpgrading from a tank to a Navien, Rinnai, or Noritz condensing unit? We handle the venting, gas line sizing, and condensate drain, and we walk you through the descaling schedule that keeps tankless running for 20 years in Colorado's hard water.Explore →
Water Heater MaintenanceAnnual flushing and anode rod inspection add years to a new tank. We recommend a flush every 12 months in Littleton's hard water, which clears the sediment buildup that shortens tank life and drives up energy bills.Explore → Ready when you are
Get Your Water Heater Replacement Littleton CO Scheduled Today
Cold showers end with one call. We are licensed, insured, and ready to swap your tank today with upfront pricing and a labor warranty. Call (720) 698-9814 and let's get your hot water back.
Book My Replacement (720) 698-9814 →
Request an appointment
Get In Touch With Us
Call (720) 698-9814 any time, day or night, and a real person picks up. For non-emergency work, we schedule same-day or next-day appointments across Littleton and the surrounding ZIP codes. Tell us what's going on with your water heater and we'll get a licensed plumber headed your way.
Call anytime(720) 698-9814Email the officeinfo@littletonwaterheaterrepair.com
Office hoursOpen 24 hours · 7 days a week