Water heater repair in Memphis, TN

Memphis Sand Aquifer water

Memphis Light, Gas and Water, the city-owned utility that supplies electricity, natural gas and water, pumps its water from hundreds of wells drilled into the Memphis Sand Aquifer, a deep layer of sand that filters water naturally over long periods. Memphis water is famously clean and soft, and it needs relatively little treatment.

For water heaters, that means very little sediment and slow scale. Gas tanks rarely rumble, and tankless units can go a couple of years between descales. Soft water does tend to wear anode rods faster, so the anode is the part to watch. Because aquifer water arrives at a fairly steady temperature, Memphis heaters also face less seasonal swing than heaters on river water.

Where Memphis heaters live

Midtown's older neighborhoods, Cooper-Young, Central Gardens, Evergreen and Vollintine-Evergreen among them, are full of early twentieth century bungalows and foursquares on crawlspaces, with water heaters in utility closets, back porch rooms or kitchen closets. Some larger homes have small basements.

Post-war ranch neighborhoods in Whitehaven, Frayser, Raleigh and Hickory Hill typically have heaters in a utility room, hall closet or carport storage room. Suburban homes in Germantown, Collierville, Bartlett and Cordova usually have them in the garage, and some two-story homes put them in the attic.

Humidity, ice and the New Madrid zone

Memphis summers are long and humid, which corrodes gas connectors, fittings and the bases of tank jackets in garages, carports and closets. Interior closet installs need a drain pan, because a leak there runs straight into flooring.

Winter ice storms, such as the one that hit Memphis in February 2023, can knock out power for days and freeze pipes in crawlspaces and exterior walls. A standing-pilot gas tank keeps working without power, while tankless and power-vent heaters stop.

Memphis also sits near the New Madrid Seismic Zone. Strapping a water heater to the wall so it cannot tip and break its gas line is inexpensive and sensible here, and a plumber can add straps during any service.

The problems plumbers see most in Memphis

• Tank corrosion once the anode rod is used up on soft aquifer water.
• Rusted fittings and connectors in humid garages, carports and closets.
• Closet leaks in older homes without drain pans.
• Split supply lines in crawlspaces after ice storms like February 2023.
• Aging gas tanks in older neighborhoods needing thermocouples and gas valves.
• Attic tank leaks in two-story suburban homes.

Typical water heater prices in Memphis

Memphis prices are below the national average. Closet installs in older homes and attic jobs in suburban two-story houses sit at the higher end.

Permits and licensing in Memphis

In Memphis and Shelby County, building and plumbing permits are issued through the joint Memphis and Shelby County Division of Planning and Development, and water heater replacement requires a permit and inspection. Plumbers must be licensed to work in the county. Germantown, Collierville and Bartlett have their own permit offices.

Get the plumber's Shelby County license details and make sure the Planning and Development permit is in the written quote.

Repair or replace in Memphis

Because Memphis water is gentle, many tanks here fail through corrosion of the steel once the anode is gone, rather than through sediment. That makes the anode check the best predictor of remaining life. A tank under eight years old with a healthy anode is worth repairing for almost any part. An older tank with rusty hot water or a weep at the base should be replaced, especially if it sits in an interior closet over flooring.

When replacing, MLGW's role as the gas and electric utility means it is worth asking whether any efficiency incentives are available. Heat pump water heaters work well in Memphis garages for most of the year.

One utility for gas, power and water

Memphis is unusual in having one city-owned utility, MLGW, for electricity, natural gas and water. For water heater owners, that means one call for a gas leak, a power outage or a water problem, and MLGW's emergency line is the number to use if you smell gas near the heater. It also means that during widespread outages, such as after ice storms or summer windstorms, water heaters that depend on electricity stop until power returns.

If a long outage is expected in freezing weather, protect the lines near the heater. Let a faucet drip, open cabinet doors on exterior walls, and know where your main water shutoff is in case a line in the crawlspace splits.

Keeping a Memphis heater healthy

Because Memphis water is soft, the maintenance priorities differ from harder-water cities. Flushing every two or three years is usually enough. The anode rod matters more: have it pulled and checked around year four or five, and replace it if it is down to bare wire. In humid garages and closets, look at the gas connector and the fittings on top of the tank once a year for rust or white corrosion, and replace any that look weak.

For heaters in interior closets, a drain pan piped to a safe place and a simple leak sensor are cheap protection against water damage to floors and walls.

Around Memphis

Germantown and Collierville to the east have larger suburban homes, mostly with garage or attic heaters. Bartlett and Cordova grew quickly from the 1980s on. Across the state line, Southaven and Olive Branch in Mississippi and West Memphis in Arkansas have their own utilities, licensing and permit rules.

Water heater questions from Memphis