A Failed Tank: What to Do Right Now
A tank that is leaking from the shell has failed, and no repair fixes that. Close the cold water inlet valve on top of the heater, switch off the breaker or turn the gas valve to off, and, if water is spreading, open a hot tap upstairs to relieve pressure. Move anything stored near the heater.
Take a photo of the leak and the data label before cleanup. It helps your insurance claim and tells the plumber the tank size and fuel type, which can speed up the visit.
How a Replacement Visit Goes
The plumber confirms the size, fuel type, venting and fittings, then drains and removes the old unit. The new heater goes in with new connectors and any code-required items, such as a pressure relief valve and discharge pipe. Gas units are checked for venting and leaks, electric units for a correct electrical connection.
Before the plumber leaves, the heater is filled, tested for leaks and brought up to temperature. You get a walkthrough of the temperature setting and the shutoff valves so you know where they are next time.
Choosing a Replacement
| Option | Good fit when | Keep in mind |
|---|---|---|
| Same-size tank, same fuel | You want the fastest, simplest swap | Usually the quickest to install |
| Larger tank | The household has outgrown the old capacity | Needs space and may need a different connection |
| Tankless unit | You want continuous hot water and a smaller footprint | Needs proper gas, venting or electrical capacity |
| Fuel change (electric to gas or the reverse) | You want to change operating costs | Adds work, including venting or electrical changes |
A planned upgrade is a different conversation from an emergency swap. For a scheduled job, see water heater installation.
Tank Failed? Call Now
The 24/7 line is open. Ask about same-day appointments and the clear price before any work starts.
The Permit Step in Rolling Meadows
The City of Rolling Meadows states on its FAQ that a permit is required for a new or replacement water heater. The permit comes through the Community Development Department at 3600 Kirchoff Road, and the city requires contractor licenses and bonds on file before it issues a permit.
That means a replacement is not just a swap. It includes the permit and the chance of an inspection. Planning for that step avoids problems when you later sell the house, because an unpermitted heater can come up in a buyer's inspection. Townhome owners on the west side can also see plumber in the Plum Grove area.
What the City Says About Venting and Supply Pipe
The city's plumbing FAQ gives a few specifics that matter for a replacement. Single-wall vent pipe needs at least six inches of clearance from combustibles, B-vent needs one inch, and water supply pipe in copper or galvanized must be type M or heavier. Plastic pipe is commonly SDR26, though the code allows other types.
These are the kinds of details a plumber checks when connecting a new heater, and they are why an old installation sometimes has to be corrected, not just copied, when the new unit goes in.
Why Replacement Beats Repair in Some Cases
If the tank is rusted, the unit is old or the repair would cost close to a new heater, replacement is the better value. Repairing a worn tank can mean paying twice, once for the part and again when the tank fails.
The plumber can show you the condition of the tank and the data label, and give you a clear price for both options if a repair is possible. You choose. See water heater repair for what can be fixed instead.
What Affects the Price
Replacement price depends on the unit and the conditions at your house.
Insurance may cover water damage from a sudden tank failure but usually not the heater itself. Check your policy. Want your real number? Call (847) 281-8626.
Sources and Local Rules Behind This Page
Plumbing work in Illinois is governed by the Illinois Plumbing Code, 77 Ill. Adm. Code 890, which municipal inspectors enforce, and the Illinois Department of Public Health licenses plumbers. The permit and vent clearance notes here come from the City of Rolling Meadows plumbing FAQ, according to which a new or replacement water heater needs a permit.
We name these sources so you can check them yourself. Rules and phone numbers change, so confirm with the city office or the state before you rely on any detail for a permit or a purchase.
Common Questions
Yes. The emergency line is open 24/7. Dispatch will ask the size, fuel type and whether the tank is leaking, and will explain same-day availability.
The City of Rolling Meadows says yes, a permit is required for a new or replacement water heater. We handle that step as part of the job.
Yes, but it can need gas line, venting or electrical changes. See our tankless page for details.
It depends on the job. A like-for-like swap is usually quicker than a conversion, and the plumber can give you a window when you approve the price.
Ask dispatch when you call, so removal is part of the clear price you agree to before work starts.
Still not sure what you are dealing with? Call (847) 281-8626 and describe it to our dispatcher.