Existing tank · diagnose before you replace
Water heater repair in Aurora
Repair is the right conversation when the tank you have might still be sound. It is the wrong conversation when the steel shell is leaking, or when someone has already decided to change fuel or go tankless.
What a repair visit is sorting
No hot water can be a control, a thermostat, a gas supply, or a failed element on an electric tank. Lukewarm water can be a dip tube or sediment. Water on the floor can be a fitting, a valve, a pan drain, or the tank itself. Those are different parts and different decisions. A technician who quotes a new tank without saying which of those they checked has skipped the diagnosis this page is about.
If the tank wall is wet, or the pan is filling from a split seam, replacement is the honest next step. Go to water heater replacement and ask about the permit. If the proposal is a tankless unit, go to tankless installation. An error code on a tankless unit you already own is tankless repair, not this page.
Gas and electric stay with the contractor
This guide will not tell you how to light a pilot, size a connector, or open an electrical panel. Aurora's inspection list includes heat rough, gas pipe, and plumbing final among the inspections the City can require on permitted work. A repair that replaces a gas control or a connector can be the moment a simple service call becomes permitted work. Ask the contractor whether the repair stays a service call or needs a permit and an inspection. The City's same-day language is written for replacement heaters, and even then it is not guaranteed. Do not assume a repair inherits that path.
What to ask before you approve parts
Ask what failed, and what would still be true if that part is replaced. Ask the age of the tank and whether the leak is above the water line of the steel. Ask whether the flue, the connector, and the shutoff are part of the visit. Ask what is excluded. A rebuilt gas valve on a tank that is already weeping from the bottom is a parts bill on the way to a replacement. Put that in the notes you take to the quote checklist.
None of this is a City diagnosis. Aurora Water's pages are about pipes in the ground, not about the tank in the closet. If the wet spot is in the yard, or the meter is spinning with the house shut off, use leak detection instead of opening the heater.
Questions to settle first
When is a repair a waste of money?
When the tank itself is leaking. A fitting, a valve, or a thermostat can be worth replacing. A split shell is not. Ask the technician to show you the source of the water before you buy parts, and to say whether the next failure is still likely this season. If the shell is done, move the conversation to a permitted replacement.
Does Aurora promise a same-day inspection for a repair?
No. The same-day sentence on the inspections page is about replacement water heaters and furnaces, and the City reserves another day. A repair may not be on that path at all. Ask whether this visit needs a permit. Do not expect the City to clear a gas control the afternoon you call.
Can I relight the heater from instructions online?
Do not use this site for that. Gas and electrical work on the heater belong with someone licensed to do them. If you smell gas, leave the house and call the gas utility's emergency line and, if needed, emergency services. A repair quote can wait. A gas odor cannot.
How is this different from no hot water on a tankless unit?
A tank stores heated water. A tankless unit makes it as it passes through, and it fails with error codes, scale, and vent or ignition faults that a tank does not have. Use the tankless repair page for an existing tankless heater. Using tank parts logic on that unit wastes the visit.