Why did I lose water from my expansion tank?
Could be cap, what Temp is the car reading, as leaking cap will drop pressure which will boil the coolant earlier than if cap working correctly. Looks like it was a mixture of me overfilling the expansion tank , and not having the cap on tight enough.
How big of an expansion tank do you need for cold water?
To prevent this from happening, there are two recommendations: Install a diaphragm-type expansion tank that is suitable for potable water on the cold water supply line. The expansion tank must have a minimum capacity of 1.5 U.S. gallons for every 50 gallons of stored water.
Why do you need an expansion tank for a hot water heater?
Proper use of an expansion tank can help avoid unnecessary opening of the pressure/temperature relief valve on a hot water heating tank or a hot water heating boiler. Reader Comment: why is a water heater expansion tank ever necessary?
What causes relief valve to leak in hot water tank?
Thermal expansion occurs as domestic water is heated. Left unchecked, the resulting pressure increase can cause relief valve discharge and other potentially hazardous conditions. Therm-X-Trol® expansion tanks absorb this expanded water, keeping water pressure at a safe level. …
How often does a hot water expansion tank wear out?
If you don’t have an expansion tank in your system, you really should get one. Expansion tanks will normally wear out after anywhere from 5-10 years. To extend their service life as much as possible, it’s vitally important to match your expansion tank’s air pressure to your house’s water pressure.
What causes water to leak from an expansion tank?
Expansion tank has become heavy: as we will detail below, a waterlogged expansion tank will have gained weight. Water leaks out at the expansion tank air charge valve on an internal-bladder Extrol-type heating system expansion tank. Newer type heating system expansion tanks that use an internal bladder keep their water and air separated.
How to test for a waterlogged boiler expansion tank?
Test for waterlogged conventional (bladderless) heating boiler expansion tank: shut off the boiler for about 30 minutes to let the system cool down. Write down the heating boiler pressure that you can read on its gauge. Now turn the boiler back on and watch the pressure gauge.
What kind of expansion tank does a hot water heater use?
Expansion tanks on hot water heating systems can be divided roughly into two groups: Older type bladderless heating system expansion tanks (atmospheric expansion tanks) and Newer type internal bladder-type expansion tanks such as those sold by Amtrol Inc.