Most Marietta shower valve repairs come down to a worn cartridge, stem or seal set that a plumber replaces through the trim plate. With about a third of Marietta homes built before 1980, older two-handle valves are also common and can often be rebuilt. Call the number on this page to be connected with a local plumber in Marietta.
The Marietta picture
Marietta is the historic Cobb County seat, built around Marietta Square. Census survey data show a median home year of 1987, with about 33% of housing built before 1980. Streets close to the square and older neighborhoods around town are where two- and three-handle compression valves still appear. Subdivisions from the late 1980s on mostly have single-lever valves, often pressure-balancing types.
Inside city limits, Marietta Water (Marietta Power & Water) distributes water it buys from the Cobb County-Marietta Water Authority, which treats Chattahoochee River and Lake Allatoona water. The city's water quality report lists chlorine disinfection. A Marietta mailing address outside city limits may instead be on Cobb County Water System, so check your bill before calling a utility.
Marietta's Building Inspections office issues permits for changes to existing buildings, and plumbing is among its most requested permit types. A cartridge swap is repair work; a new valve is worth asking about.
Valve types in Marietta homes
| What you see | Probable valve | Typical outcome |
|---|---|---|
| Separate hot and cold handles, maybe a third for the diverter | Compression | Rebuild with stems, washers and seats |
| One knob that pulls out, in an older bathroom | Early single-lever | Depends on parts availability |
| One lever on a large round plate | Pressure-balancing | Cartridge replacement |
| Separate temperature and volume controls | Thermostatic | Cartridge or thermostatic element |
If an older valve can't be saved, its replacement is a chance to add protection against sudden hot surges.
Matching parts for a Marietta valve that has been through several remodels can take some detective work. A brand stamp on the plate, the shape of the handle or an old receipt narrows the search and keeps a rebuild from turning into a replacement just because the right part was hard to identify.
Symptoms to watch for
- A handle that has to be forced tighter to stop dripping
- A burst of hot when a toilet refills
- Shower flow that has slowly weakened
- A soft or discolored wall near the handles
- Lukewarm water at the shower while sinks run hot
When to schedule
A drip is rarely an emergency, but in an older Marietta home it pays to fix it before stem threads strip or seats wear beyond repair. If the plumber opens an exterior wall in cold weather, ask about insulating the pipes before it is closed again.
Shower Valve Repair questions in Marietta
Can an old two-handle or three-handle shower valve be rebuilt?
Does the chlorine in our tap water wear out valve seals?
Is an anti-scald or thermostatic valve worth the upgrade?
Do I need a permit to replace a shower valve here?
More plumbing services in Marietta
Shower Valve Repair nearby
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