Potable Water Expansion Tank Sizing
Therm x trol expansion tanks are designed to control pressure in commercial closed potable hot water systems.
Potable water expansion tank sizing. It absorbs the increased volume of water generated by the hot water heating source. Customer support customer support. This small volume of water can cause rapid increases in system pressure if a backflow preventer or other one way device is installed without the proper thermal expansion tank. Customer support find a watts distributor.
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. Let s take some examples. As a rule of thumb a thermal expansion tank should be about 10 of the total water heater volume. Our sizing guide for potable water expansion tanks helps you find the right watts regulator or data potable tank.
10 5 7 requires backflow prevention to prevent. 100 gallons x 10 10 gallon expansion tank. This expansion tank controls thermal expansion of water in open domestic hot water supply systems. Expansion compression and diaphragm tanks for proper system pressurization in hydronic heating and potable water plumbing systems.
Backflow preventers. 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. Examples of one way devices include. 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.
Its pre pressurized steel tank uses an expansion membrane to prevent air water contact for long system life. 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. Available in diaphragm partial acceptance bladder and full acceptance bladder designs these tanks range in size from 2 gallons 7 6 liters to 528 gallons 2 000 liters. 2 250 gallon water heaters 500 gallons total.
Find out more by visiting our website. National standard plumbing code. 500 gallons x 10 50 gallon expansion tank.