Water heater repair and replacement in Tampa Bay

Tampa Bay water is hard, 10.8 grains per gallon on the Tampa side and 9.8 to 14.7 on Pinellas County Utilities, and a water heater is where that shows up first: sediment on the bottom of a tank that rumbles when it heats, scale inside a tankless unit that trips its error code, an anode rod eaten years early. Most tanks here are replaced between 8 and 12 years; a heater that was flushed once a year lasts toward the top of that range.

Call and get connected with an independent local plumbing contractor who serves your part of Hillsborough or Pinellas. Say what the heater is doing (no hot water, not enough, leaking from the tank, leaking from a fitting, a tripped breaker, a pilot that will not stay lit), the fuel (electric, natural gas, propane), the size, and its age if the label shows it. A call connects you to the contractor directly; the form gets you a call back.

Repair or replace

A few rules of thumb the contractor should confirm on site.

• Leaking from the tank itself: replacement. A rusted-through tank has no repair, and it is the leak that empties onto the garage or closet floor.
• Leaking from a fitting, the T&P valve, or the drain valve: usually a repair. A T&P valve that drips can also mean the pressure in the house is too high, which is a pressure-reducing valve question, not a heater question.
• No hot water on an electric heater: often an element or a thermostat, both repairs, unless the tank is old enough that the next failure is close.
• A gas heater with a pilot that will not stay lit: thermocouple or gas valve, a repair; a burner that soots or a flue that is blocked is a safety visit.
• Not enough hot water: sediment taking up tank volume, a failed lower element, or a heater that was always too small for the house. The contractor should say which.

What a replacement involves here

Every replacement in Tampa, Hillsborough County, and the Pinellas cities is a permitted job with an inspection, including a like-for-like swap; the 2026 $7,500 permit exemption excludes plumbing. The contractor pulls it in their own license.

• Tank: the common choice, electric or gas. Ask for a drain pan piped to a safe point when the heater sits over a finished floor or in an attic, and the T&P discharge line run where the code sends it.
• Expansion tank: when a backflow preventer or a pressure-reducing valve makes the house a closed system, heated water has nowhere to expand and the T&P valve weeps; the inspector looks for an expansion tank. Many Tampa houses with an irrigation backflow assembly are closed systems.
• Tankless: gas units need a gas line sized for the burner and a vent; electric units need a large electrical service. On this water, plan on descaling at the interval the manufacturer states, or the unit's heat exchanger scales up.
• Heat pump water heater: an electric tank with a compressor on top, using a fraction of the electricity. It needs a space with air to draw from (a garage is ideal here) and a condensate drain. On the Pinellas side, Duke Energy Florida offers a rebate for ENERGY STAR units with a UEF of 3.3 or higher installed by a licensed and insured plumbing contractor, after a Duke Home Energy Check (Duke does not charge for it) within the previous 24 months; Tampa Electric listed no water-heater rebate when this page was written. The amounts are on the utilities' pages.
• The federal rule ahead: electric storage water heaters over 35 gallons manufactured on or after May 6, 2029 must use heat-pump technology (DOE final rule, May 2024). A standard tank bought before then is legal to install and to service for its life. The federal 25C credit ended for equipment placed in service after December 31, 2025.
• Flood zones: on the Pinellas coast, a heater replaced after flood damage goes at or above the flood elevation the county requires (Pinellas: base flood elevation plus one foot), which after Helene meant a platform or a relocation for many houses. The building official decides.

What the contractor does

Ask for a written quote that names the unit (brand, model, gallons or flow rate, UEF), says whether the price includes the permit, the pan, the expansion tank, the disposal of the old heater, and any gas or electrical work, and gives the manufacturer's warranty separately from the labor warranty. A same-day replacement is common for a tank; a tankless or a heat pump unit may need a second visit for the gas or the electrical.

Plumbing contractors are licensed for water heaters and their gas connections under s. 489.105(3)(m), Florida Statutes. Ask for the license number (CFC or RF) and check it on DBPR; a contractor who says the job does not need a permit is telling you something about the contractor.