When a failed water heater is an emergency
A leaking tank that is spreading water through a garage or closet is an emergency. A heater that only runs cold can usually wait for the next available visit.
What to do while you wait
Close the cold water supply valve at the top of the heater. If it will not turn, close the main water valve.
Switch off the gas control or the heater breaker so no one forgets it is still powered. If you smell gas, leave the building and call the gas utility or 911 first.
Signs the heater is past repair
Some repairs are not worth making. These signs usually point to replacement.
- Water leaking from the bottom or side of the tank shell.
- Rust-colored hot water that returns after flushing, a sign of tank corrosion.
- A unit that has kept running past a decade and now needs a major part.
- Repeated repairs within a short time.
- A noisy, rumbling tank that overheats because of heavy sediment.
Choosing the replacement: gas, electric, hybrid or tankless
The right replacement depends on your fuel, your space and how much hot water the house uses.
| Type | Fits best when | Watch for |
|---|---|---|
| Gas tank | The home already has a gas line and vent | Venting must be sound and the gas connection tested. |
| Electric tank | No gas available, or a closet install | Needs the right breaker and wire size. |
| Heat pump (hybrid) tank | You want lower running costs and have space and airflow | Higher purchase price and needs clearance and a condensate drain. |
| Tankless | You want endless hot water and have the gas and venting | Needs descaling and a proper gas line. |
Details on tankless units are on our tankless water heater page.
Need a new water heater?
Call the 24/7 line. Tell us the fuel type and what failed and we will book the earliest visit.
Call (480) 741-9332What happens on replacement day
A typical replacement is a single visit, though gas conversions or venting corrections can add time.
- Shut off and drain.We close the supply, cut power or gas and drain the old tank.
- Remove and prepare.The old unit goes out, and we check the shutoffs, flex lines and pan.
- Set and connect.The new heater is set level, with new flex connectors, a relief valve and discharge line.
- Test.We fill, purge air, test for leaks, light or power the unit and check venting.
- Explain.You learn the thermostat setting, the shutoffs and a flushing schedule.
If you are choosing a heater before the old one fails, read water heater installation.
Permits, licensing and the tax credit
Permit rules vary by jurisdiction, so we recommend asking the building department for your address. The Town of Florence Community Development Department is at 224 W. 20th Street and can be reached at 520-868-7575, though its public page does not describe plumbing permit rules. Pinal County Building Safety is at 85 N Florence Street for unincorporated areas.
The federal Energy Efficient Home Improvement Credit, according to the IRS, applied to improvements made through December 31, 2025. That means a heat pump water heater installed in 2026 no longer qualifies. Check the IRS site and your utility for current programs before relying on any credit.
To verify any plumber, look up the license with the Arizona Registrar of Contractors at roc.az.gov. Plumbing appears there under classifications such as C-37, CR-37 and R-37.
Sources: Town of Florence, Pinal County, IRS, Arizona Registrar of Contractors.
What replacement costs and what moves the price
You approve a price before we start. These are the factors.
Tankless and heat pump units cost more than a standard tank.
Larger tanks and higher recovery ratings add cost.
A new vent or a longer gas line adds labor and materials.
Expansion tank, pan, drain line and straps where the local code calls for them.
Attic and tight-closet installs take longer.
Want your real number? Call (480) 741-9332 with your heater type and size.
Code note: permits and inspection
A water heater swap is often a permitted job. The UPC and IPC set requirements for relief valves, drain pans in some locations and venting. Ask your building department which code edition and which permit rules apply to your address.
Water heater replacement across Florence
We replace heaters in the Townsite, along Hunt Highway and at Anthem at Merrill Ranch, and dispatch also covers Coolidge and San Tan Valley.
If the heater is leaking but you are unsure whether a repair would do, start with water heater repair. We will tell you honestly which makes sense.
Questions about water heater replacement in Florence
Yes. Dispatch is open 24/7 and a leaking tank is treated as urgent. We book the earliest available visit and replacement is often possible the same day when a heater is in stock.
A like-for-like swap is usually a half-day job. Fuel changes, new venting or a relocated heater take longer.
Around a decade is a common planning figure for tank heaters, and water quality and maintenance change that. Tankless units often last longer with regular flushing.
Often yes, but a tankless unit may need a larger gas line and new venting. We check the gas supply and exhaust path before recommending it.
The IRS says the credit applied to improvements made through December 31, 2025, so it does not apply to a 2026 install. Ask your tax adviser and your utility about any current incentives.
Yes. Removal of the old unit is part of a replacement visit.