What pressure should a bladder expansion tank be set at?

Answer From the factory, bladder expansion tanks are set usually at 12 psi. The expansion tanks should not be pressurized for more than the tank is rated for. A tank with a rating of 30 psi should not be ... Read More »

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What is the correct bladder pressure for a water tank?

Bladder-type residential well water tanks are typically preset with a bladder pressure of 18 pounds per square inch (psi). However, certain kinds of water tanks may be shipped from the factory with... Read More »

What is an expansion tank?

An expansion tank or vessel is a unit used in conjunction with many domestic water heating systems. Plumbing codes require you to have a water expansion control device with a water heating system.F... Read More »

What Is a Boiler Expansion Tank?

A boiler expansion tank is part of a boiler hot water system designed to absorb the extra space created when water heats. In a closed-vent system, the boiler expansion tank requires draining once o... Read More »

What Are the Functions of an Expansion Tank?

Expansion tanks are common components in fluid systems, especially coolant systems and plumbing systems found in residential homes and even cars. The primary goal of the expansion tank is to protec... Read More »