Plumbing Services

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Water Heater Specialists Serving You in East Cobb and Marietta GA


For homes that use 41 gallons or less of hot water daily, demand water heaters can be 24%–34% more energy efficient than conventional storage tank water heaters. They can be 8%–14% more energy efficient for homes that use a lot of hot water — around 86 gallons per day. Achieve even greater energy savings of 27%–50% if you install a demand water heater at each hot water outlet. Learn more at

Tankless Water Heater Installation

Having a gas water heater installed properly the first time will save you massive problems later on. Your contractor must first add up all gas appliances in your home and then call Atlanta gas to verify your total gas load on meter to see if it’s large enough. If contractor didn’t discuss with you then STOP, this person is not qualified to even discuss tankless with you, let alone install one in your home.

Tankless Water Heater Service

Our team are known as experts in the tankless community to resolve some of the toughest problems working closely with product engineers. Most problems occur from improperly installed units and/or units not being properly serviced! We provide a full service package for residential water heaters (3 years) and for commercial water heaters (yearly).

Call Marine Plumbing for tankless water heater repair and service.

Tankless Water Heater Repair

Losing hot water in your home or business is a frustrating experience. This is especially true if the hot water loss occurs in the middle of a shower or bath. At Marine Plumbing Service, our technicians are well equipped for tankless hot water repair and service. For fast and reliable service, call Marine Plumbing to get your water heater running again.

Water Line Replacements, Gas Lines, Leak Detection & More

We can upgrade your water supply lines.

Water line and Complete Water Re-piping

We use UPONOR PEX A piping, manufacturer provides 25 year warranty on piping.

Gas Piping

We can add gas lines for new cooktops, generators and tankless water heaters. Plus we offer completed home gas repiping. We work closely with Atlanta gas , authorized NGAD= Natural gas advantage dealer upgrading your gas meter if required.

Toilet Replacements

We have installed thousands of toilets and know which ones work and which do not. Also when we provide toilet, we also warranty the toilet.

Pin Hole Leak Problems

Contrary to popular belief, copper water piping does not last forever. Copper exhibits excellent resistance to corrosion but only lasts about 25 years.  Copper is vulnerable to pitting corrosion which can eventually lead to pinhole leaks. 

Pressure Problems & Banging Pipes

There are many manufacturers of pressure valves. Average life of PRV’s in Cobb county with street pressure at 125 PSI last between 8-10 years IF INSTALLED properly. Yes we have seen them upside down, sideways and sometimes without a strainer. Installing any other way but upright (Horizontal position with screw up) reduces life of pressure valve.

Apt/Multi-family Water Saving Projects

Call us today for a water assessment of your apartment or multi family complex. Marine Plumbing has installed thousands of toilets and other water-saving fixtures through the Cobb Green City program, saving money and water for multi-family property owners

Call Marine Plumbing for hot water heater repair services and more.

Don't Be Shy. Get In Touch.

If you are interested in working together, send us an inquiry and we will get back to you as soon as we can!