Once a tank splits, repair is off the table, and every minute it runs adds to the mess. Our line is open 24/7 at (855) 575-2890. Before we get there, shut the cold water valve above the heater, turn off the power or gas control, and keep a towel or wet vac close to the base.
Your tank has failed and water is on the floor
Stop the water first, because the tank will keep refilling from the street supply until you do. We book same-day appointments when the schedule allows, including after-hours calls. Whatever is already wet, getting the supply off is what limits the damage.
- Close the cold supply valve on top of the heater. If it will not turn, shut the main water valve for the house.
- Switch off the breaker for an electric unit or turn a gas control to off. If you smell gas, leave and call the gas utility or 911 from outside.
- Do not touch wet cords, outlets or a panel while standing in water.
- Take photos of the leak and the tank label for your insurer.
Signs the tank is finished
Most storage tanks give warnings long before they fail. The inner steel tank corrodes once the anode rod is spent, and the corrosion eventually punches through. The clues below are the ones we see most often.
Age past ten years or so
Check the date code on the label. A tank that old is living on borrowed time, even if it still heats.
Rust-colored hot water
If only the hot side runs brown, the tank is likely corroding inside. If both sides run brown, the problem may be the piping.
Water at the base
A wet floor under a dry top means the inner tank is leaking. No fitting repair fixes that.
Repeated repairs
Two or three service calls in a short span usually cost more than the age of the tank justifies.
Rumbling and popping
Noise from the tank means sediment is baking at the bottom and stressing the steel.

Picking a size that fits your household
Tank size is about how much hot water you need at the busiest hour, not how many bathrooms you have. We look at the number of people, the largest tub, any dishwasher or washer that draws hot water, and the first-hour rating on the label. A tank that is too small runs out in the shower, and one that is too large wastes energy keeping extra gallons warm.
A household that has grown since the last heater was installed often needs a step up. One that has shrunk can usually go down. If you are considering on-demand heat instead, our tankless water heater page covers sizing by flow rate.
Gas, electric or heat pump: choosing the fuel
| Option | What it needs | Good to know |
|---|---|---|
| Gas tank | Gas line, combustion air, a vent to the outdoors | Recovers hot water quickly. Venting and gas piping must meet code. |
| Electric tank | A dedicated circuit sized to the unit | No flue to maintain. Slower recovery than gas. |
| Heat pump (hybrid) tank | A dedicated circuit, open air space, a condensate drain | Uses less electricity but is taller and needs room. |
The easiest swap is the same fuel in the same spot. Switching fuel is possible but adds work such as a new circuit, a new gas line or a new vent, and we say so before you decide. If you smell gas at any point, leave the house and call the gas utility or 911 first.
Venting, expansion tank and the pieces around the heater
A new heater is more than a tank. A gas unit needs a vent pitched and sealed correctly so exhaust leaves the house. Both fuel types need new flex connectors, a relief valve with a proper discharge pipe, and often a drain pan.
An expansion tank matters in a closed system, meaning one with a check valve or pressure reducing valve at the meter. Heated water expands, and without somewhere to go the pressure climbs and stresses fittings. We check the house pressure and add or replace the expansion tank when it makes sense. The Illinois State Plumbing Code, Section 890, governs this work.
Permits in Park Forest
The Village of Park Forest lists water heater replacement among the permit items handled by its Building Department at 350 Victory Drive. All contractors working in the Village must be Park Forest licensed. A homeowner pulling a permit alone submits a waiver, and if a contractor pulls it, the homeowner signs the proposal or application.
Permits are not taken by email or online, so they are dropped off or mailed. We walk you through what the Village expects and which steps are yours. Skipping the permit can complicate a home sale or an insurance claim later.
A heat pump water heater, in one paragraph
A heat pump water heater pulls warmth from the surrounding air to heat the tank, so it uses much less electricity than a standard electric tank. It needs open space, a condensate drain and a spot that stays reasonably warm, and it cools the room a little as it runs. It is worth a look when you are already on electric and have a basement or utility room with room to spare.
What replacement day looks like
Shut down and drain
We turn off power or gas, close the supply and drain the old tank.
Remove and prepare
The old unit goes out, and we inspect the vent, gas line, circuit and shutoff valves for problems.
Set and connect
We place the new heater, connect water, new flex lines, relief valve piping and the expansion tank if needed.
Fire up and test
We fill, purge air, restore power or gas, check combustion or electrical draw, and confirm temperature and shutoff.
Walk through
You see the controls, the relief valve and the drain, and we haul away the old tank.
Repair or replace? A quick check
| Situation | Better choice |
|---|---|
| Bad element, thermostat or igniter on a young tank | See water heater repair |
| Leak at the tank itself | Replace |
| Old tank with sediment noise and rust | Replace |
| No hot water but tank is dry and healthy | Repair first |
What affects the cost of a water heater replacement
Tank size and efficiency
Larger tanks and higher-efficiency models cost more than basic units.
Fuel and venting changes
Swapping the same fuel in place is simpler than moving the heater or changing the vent.
Code upgrades
Expansion tanks, drain pans, new shutoffs and corrected relief piping may be needed.
Permit and inspection
Replacement is a permit item with the Village, and that adds steps.
Access and removal
Tight spaces, stairs and haul-away add time.
Homeowners insurance may help with water damage from a sudden tank failure but usually not with the replacement of a worn-out heater, so check your policy. We explain permit steps before work begins. Call us and we will talk through options for your home.
Get Your Real NumberQuestions we hear
Yes. Dispatch is open 24/7, including nights and weekends. We do not promise an arrival time, but we offer same-day appointments when available, and we tell you how to shut off the water and power or gas while you wait.
Many storage tanks serve for around a decade, and some go longer when the anode rod is replaced and the tank is flushed. Check the date code on the label. Age alone does not decide it, but a leak at the tank always means replacement.
Yes. The Village of Park Forest lists water heater replacement as a permit item, and contractors must be Park Forest licensed. Homeowners doing their own work submit a waiver form. We explain the paperwork so you know what is yours to sign.
Usually, but it adds work. Gas to electric needs a proper circuit, and electric to gas needs a gas line and vent. We check the panel, the vent path and the space before recommending a switch.
It absorbs the pressure created when water heats and expands in a closed plumbing system. Without one, pressure spikes can stress fittings and make the relief valve drip. We test the house pressure and recommend one when the system needs it.
It can be, if you have the open space, a condensate drain and an electrical circuit. It is taller than a standard tank and cools the room slightly. We look at your layout before suggesting one.
Standards and sources
Written by the Park Forest Express Plumbing team. Plumbing work in Illinois follows the Illinois Plumbing Code, 77 Ill. Adm. Code 890, which the Village of Park Forest adopts. The Village Building Department states that contractors must be Park Forest licensed and that a permit is required. You can confirm any plumber's license on the Illinois Department of Public Health license verification tool.