Old Style Boiler Expansion Tank

The ratio of water to the air inside the steel expansion tank is optimal at a 2 3rds water to 1 3 air.

Old style boiler expansion tank.

The rest is easy unscrew the old one and put some kind of pipe dope or tape dope on the threads. Boiler expansion tank problems can greatly affect your hot water system. Keeps weeping off relief valve. The one in your picture looks relatively new.

Other than that the old non diaphragm type of boiler expansion tank is fine. In that it has to be drained as part of a maintenance scheduled. Amtrol extrol ex 15 boiler system expansion tank 2 gallons. This is the job of the expansion tank.

I d like to replace this with a new bladder style tank due to a few pitted spots that look like they re about to spring a leak. Hot water heating system expansion tank compression tank drain procedure to re charge lost air. Only on the15. Old expansion tank i have a customer with an old in the ceiling expansion tank on his peerless boiler.

This air would cause corrosion. So remaining life expectancy depending on quality may be 40 years. All components are original with system. By using the diaphragm style tank this problem is eliminated.

The tank will work fine until it rusts out provided that it is maintained. It has an air bleeder on the bottom. Tanks not equipped with a site glass need an airtrol fitting. The boiler expansion tank is a vital part of your boiler system.

The boiler expansion tank absorbs the expanding water by allowing the air in the expansion tank to compress this prevents the pressure from building and allows the boiler to heat and cool without too mush pressure building up. The expansion tanks for boilers are used as a compartment to. Buy hvac boiler expansion tanks and get the best deals at the lowest prices on ebay. There are two types of expansion tanks used with hot water boiler tank systems.

Amtrol 109 15 fill control fil trol valve for ex trol. Located on the bottom of the expansion tank is a fitting. Replacing old style expansion tank hi i have a 1 story ranch with a forced hot water boiler with an old ceiling mounted expansion tank. Amtrol ex 90 extrol expansion tank.

In the old days plumbers would use a tank set up very similar to the overflow set up for a cars radiator. I opened up the drain valve till water stopped flowing then turned the water feeder back on. The relief valve was just changed i m not familiar with this type of tank. This article describes the steps in draining of a steel compression or expansion tank used on hot water system heating boilers hydronic heat.

Draining water out of a waterlogged expansion tank is a common heating boiler service procedure used to replace a lost air charge. Great savings free delivery collection on many items. Steel expansion tanks and bladder expansion tanks.