What does a therm X trol do?

What does a therm X trol do?

Therm-X-Trol expansion tanks are designed to control pressure in commercial closed, potable hot water systems. 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).

How long does a thermal expansion tank last?

between five and 10 years
But expansion tanks can wear out. The average life of your tank can be anywhere between five and 10 years. You can extend the life of your expansion tank by making sure that your home’s water pressure matches the air pressure in your expansion tank. But in some cases, you’ll need to replace it.

Does Rheem require expansion tank?

Absolutely yes, go on line to Rheem on demand water heater, as an example, and the piping diagrams all require an expansion tank, regardless of the application.

Can a thermal expansion tank be too big?

An expansion tank that is too large for your system will still be able to safely handle the extra water. However, a tank that’s too small can trigger the temperature and pressure relief valve to open so the excess pressure is relieved.

Do I need a expansion tank on my water heater?

If your home has a “closed” plumbing system, then yes, you’ll need an expansion tank. You see, homes have either an open or a closed plumbing system. A closed plumbing system prevents water from flowing in the reverse direction (i.e., water won’t flow back into city lines once it enters your home’s pipes).

What size of thermal expansion tank do I need?

As a general rule, the bigger the water heater, the bigger the expansion tank. For a 50-gallon water heater, you require a 2-gallon expansion tank. Depending on how high your water pressure is, however, you may need to go up a size to a 4.5-gallon expansion tank.

What size expansion tank do I need for a 75 gallon water heater?

Enter the appropriate information in the boxes below..

Water Heater * Gallons
Final Temperature – End * 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 190 195 200 °F
Expansion Factor
Calculated Acceptance Volume Gallons
Calculated Total Volume Gallons

Where should a thermal expansion tank be installed?

Your expansion tank can be anywhere on your plumbing system and does not need to be installed in close proximity to the water heater. It is most commonly installed using a “T” at the cold inlet to the water heater. But, functionally, it can be installed anywhere on the cold inlet line.

How often should you replace expansion tank?

Between five and 10 years is the average lifespan of your tank. If your home’s water pressure matches the air pressure in your expansion tank, you can extend the life of your tank. You’ll need to replace it in some cases.

How big should an expansion tank be?

What size expansion tank do I need for a 120 gallon water heater?


Residential Commercial
Water Heater Size Select 40 50 60 80 120 Gallons
Approx. Temp Setting Select 120 140 160 °F
Approx City Pressure Select 40 60 80