Water Expansion Tanks
A water expansion tank is a small part of the plumbing system, but it can make a big difference in how well your water heater and pipes handle pressure. When water heats up inside a tank-style water heater, it expands. If that extra volume has nowhere to go, pressure can build inside the plumbing system and put stress on the water heater, pipes, valves, and fixtures.
Plumbing Solutions installs and services water expansion tanks in Kissimmee, FL for homeowners who want to protect their plumbing and avoid pressure-related problems. If your water heater relief valve is dripping, your pipes are noisy, or you are replacing a water heater, it may be time to have the expansion tank checked.
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Protection for Your Water Heater
A water expansion tank gives expanding hot water a safe place to go. The tank is usually installed on the cold-water side of the water heater. Inside the tank, air pressure helps absorb the extra volume created when water heats and expands.
Without a working expansion tank, pressure can rise and fall throughout the system. Over time, that can contribute to leaks, worn valves, dripping relief valves, damaged supply lines, and added strain on the water heater. In some homes, these pressure changes are easy to miss until another part of the plumbing starts failing.
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Closed Plumbing Systems and Thermal Expansion
Many homes have plumbing setups that keep water from flowing backward into the public water supply. This can happen because of a pressure regulator, check valve, backflow preventer, or other plumbing device. That type of setup is often called a closed system.
In a closed system, expanding water cannot move back toward the street. That is when a water expansion tank becomes especially important. It helps control the pressure created by thermal expansion and gives the water heater a safer way to operate.
Signs the Expansion Tank Needs Service
A failing or missing expansion tank can show up in several ways. You may notice water dripping from the water heater’s temperature and pressure relief valve. Pipes may bang or make noise when fixtures shut off. Faucets or toilet fill valves may wear out sooner than expected. You may also see small leaks at fittings, supply lines, or valves near the water heater.
Sometimes the tank itself is the issue. It may lose its air charge, become waterlogged, corrode, leak, or fail internally. When that happens, it can no longer absorb pressure the way it should.
Installation and Replacement
Water expansion tanks need to be sized and installed properly. The right tank depends on the water heater size, household water pressure, and the setup of the plumbing system. A tank that is too small, poorly supported, or installed incorrectly may not protect the system the way it should.
Our plumbers inspect the water heater area, check the existing tank if one is present, and test the water pressure when needed. If replacement is the right option, we install the new tank securely and make sure the system is working properly before the job is complete.
Service During Water Heater Replacement
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