If you have a tankless water heater, you may not need an expansion tank, though situations vary, such as if you have a closed water system. Expansion tanks last an average of five to 10 years with ...

According to water-heater manufacturer Bradford White Corp., a thermal-expansion tank is a small, pre-pressurized tank with a compressible air cushion (a diaphragm) that is installed on the supply ...

That is an expansion tank installed on the water supply pipe to the water heater. Its purpose is to deal with thermal expansion of water as it heats up in the water heater […] Skip to content.

Bay County invests $8.5 million in water infrastructure expansion. By Emmaleigh Clegg. Published: Apr. 1, 2025 ... The project includes the addition of a 2.5-million-gallon storage tank and backup ...