Water Heater Expansion Tank Sizing

Customer support find a watts distributor.

Water heater expansion tank sizing.

Sizing expansion tanks for water heaters can be a complex engineering challenge but residential expansion tank sizing has been simplified through the use of calculators. Expansion tank size calculator. There will be two factors that impact the size of expansion tank that your house requires. Expansion tanks are pre charged with a 38 psi air charge.

Since water is considered non compressible in a closed loop system this thermal expansion puts an incredible amount of pressure on the piping and components of the entire system. As thermal expansion takes place heated water flows from the water heater outlet. You can look for this information on the factory label of the water heater itself. The first of these will be the size of water heater that you have.

The second factor is the water pressure in your system. Our sizing guide for potable water expansion tanks helps you find the right watts regulator or data potable tank. Sizing storage and heat pump with tank water heaters. How to size and select a proper expansion tank.

Free slots for orders with water heaters boilers and other bulky items only available in select areas of. Free shipping on orders over 99. Amtrol products are made in the usa at our iso registered facilities by american workers dedicated to producing the highest quality expansion tanks in the world. Let s explore the effect of placing the therm x trol on the hot water outlet.

The first hour rating is the number of gallons of hot water the heater can supply per hour starting with a tank full of hot water. Upon water use the tank will release this absorbed water allowing it to flow into the heater. Pmc sizing chart for residential water heaters water heater capacity in gallons inletwater pressure 30 40 50 66 82 100. We re dedicated to our customers.

Find out more by visiting our website. New or larger expansion tanks may be needed due to pressure reducing valves check valves and backflow preventers added to the community s water system. Expansion takes place a small volume of water from the heater flows into the tank. Or check out our support center.

The potable water expansion tank shall be installed in the cold water service pipe line on the supply side of the water heater or water storage tank. When water is heated it expands and its volume increases. To properly size a storage water heater for your home including a heat pump water heater with a tank use the water heater s first hour rating.