Water heater repair in Johns Creek, GA

Chattahoochee water from a plant inside the city

Johns Creek is one of four north Fulton cities served by Fulton County's water system, along with Alpharetta, Milton and Roswell. The supply comes from the Chattahoochee River, fed by releases from Buford Dam at Lake Lanier, and it is treated at the Tom Lowe Atlanta-Fulton County Water Treatment Plant, which sits on Spruill Road within Johns Creek itself. The county holds raw water in reservoirs near the plant, which gives the system a cushion of several weeks during drought.

River water from the Lanier system is soft. Hard crust in tanks is rare here, and descaling a wall-hung tankless unit is an occasional chore rather than a yearly one. The catch is the anode: in an unserviced Johns Creek tank, eight years of river water usually leaves little more than the rod's steel core wire. After that, corrosion starts on the tank itself.

Now and then, seasonal turnover in Lake Lanier brings an earthy taste or smell to the tap. That comes from natural compounds the plant treats with activated carbon, and it is not a water heater problem. If the odor is sulfur and shows up only on the hot taps, the source is the anode reacting inside the heater instead.

Big 1990s homes, basements and attics

Neighborhoods such as St. Ives Country Club, Country Club of the South, Wellington, Seven Oaks, Shakerag, Rivermont and the homes around the Atlanta Athletic Club were built for families who wanted space. Four- and five-bedroom houses of 3,500 square feet or more are common, many with finished basements, bonus rooms over the garage and a long walk from the heater to the primary bath.

Builders in the 1990s put heaters in two main places. In basement homes, the tanks usually stand in the unfinished mechanical room with the furnace, and in houses with large demand there are often two 50-gallon gas tanks plumbed side by side. In homes on slabs or with finished lower levels, builders frequently put one or both heaters in the attic, sitting in a pan near the air handler. Attic placement saves floor space but puts a 50-gallon tank directly over bedroom ceilings.

Newer townhome clusters near Medlock Bridge Road and State Bridge Road, and the infill around the Johns Creek Town Center, tend to have smaller tanks or tankless units in a garage or closet. The older parts of the city near Ocee and Newtown include some pre-1985 ranch homes with heaters in a carport closet or crawlspace.

Georgia Power, Sawnee EMC and Atlanta Gas Light

Electric service in Johns Creek is split between Georgia Power and Sawnee EMC, the electric cooperative that covers much of the area north toward Forsyth County. Natural gas runs through Atlanta Gas Light pipes, while the gas you burn is purchased from whichever marketer you signed with, so a gas outage may need a call to both. Most large Johns Creek homes heat water with gas; electric tanks show up more in townhomes and some basement installs.

Both electric providers have promoted efficient water heating at times; a heat pump unit is a good match for a roomy basement mechanical room. Check current programs with your electric provider before choosing a replacement.

The problems plumbers see most in Johns Creek

• Attic tank leaks that overflow the pan and stain the ceiling of the room below.
• Twin original tanks wearing out together in 1990s basement homes.
• Running out of hot water in large homes with soaking tubs and multiple showers on cold mornings.
• Spent anodes and tea-colored hot water after years on soft Chattahoochee water.
• Pilot outages and flame sensor faults on older gas tanks and early tankless units.
• Long waits for hot water at the far end of the house without a recirculation pump.

Typical water heater prices in Johns Creek

Johns Creek prices sit on the higher side of metro Atlanta because so many jobs involve attics, twin tanks or large tankless conversions. Replacing two basement tanks at once usually costs less per heater than doing them on separate visits.

Permits and licensing

Heater permits in Johns Creek come from the Building Division within Community Development, with applications filed online through the city's permit portal or at City Hall on Lakefield Drive. Inspectors look at the gas piping, the flue, the relief line and, for attic tanks, whether the pan actually drains somewhere.

Georgia issues master and journeyman plumbing licenses through its Construction Industry Licensing Board, and a license lookup takes seconds. When you compare quotes for an attic job, make sure the plumber includes the new pan, drain line and permit, since some low bids leave those out.

Attic heaters: risk and replacement

An attic water heater is the classic Johns Creek service call. Pans corrode, drain lines clog with debris or are never connected, and a tank that fails slowly can saturate insulation before a stain shows on the ceiling. A leak sensor with an automatic shutoff on the cold supply is one of the best upgrades for any attic install.

Replacing an attic tank means carrying 150 pounds of steel down pull-down stairs or out through a bonus room, which takes two people and some care. Some homeowners use the moment to relocate the heater to the garage or basement, or to switch to a wall-mounted tankless unit. A plumber can tell you whether gas line, venting and drain changes make that practical. If the ceiling is already stained, book our attic and basement leak repair.

Hot water for large households

With winter inlet water in the 40s, a single 50-gallon tank in a five-bedroom Johns Creek home can run out quickly. Twin tanks, a 75-gallon high-input gas heater, or one or two tankless units are the usual answers. Tankless can work very well here thanks to soft water, although a big whole-house unit can outstrip the original half-inch or three-quarter-inch gas piping. The budget side is in our article comparing storage tanks with on-demand units.

Adding a recirculation loop shortens that long wait at an upstairs owner's bath on the far side of the house. In basement homes, insulating the exposed hot line also helps in January, when that line runs through an unheated mechanical room.

Repair or replace in Johns Creek

Many Johns Creek heaters are second-generation units installed in the 2000s and 2010s. Repairs make sense on tanks under nine or ten years with a failed thermocouple, flame sensor or valve. When original or very old tanks start to leak, especially in an attic, replacement is the safer move, and doing both twin tanks together saves a second trip. See replacement options.

Around Johns Creek

Alpharetta and Milton to the west share Fulton County water but run their own building departments. Roswell to the southwest has part of its supply from a city plant. Across the river, Duluth and Suwanee are in Gwinnett County, on Gwinnett water and permits. Up the road, Forsyth County and Cumming handle their own water and building permits.

Water heater questions from Johns Creek