The price of a 2-4.4 water heater expansion tank on its own ranges from $40 to $200, and the cost of labor can fall anywhere between $50 and $150, depending on your area and the location and ...

If you're installing an expansion tank on your potable water piping, you need to check the pressure in your house and then pressurize your tank to match that. This can be done with a tire pump ...

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 ...