AMTROL ST (Therm-X-Trol) is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of. individual basis, however each data sheet is available on the Amtrol Web Site and Thermal Expansion Absorbers, ST-C Series (ASME). B. A. ST5-C. STC. individual basis, however each data sheet is available on the Amtrol Web Site ST 8. ⁄8. 8. 3⁄4. 5. ST
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Amtrol ST Therm-X-Trol Thermal Expansion Tank
Expert Assistance Get expert assistance from our team. Plain steel tanks have no moving parts, and require a separate pressure reducing valve to maintain initial fill pressure of 12 psi or higher depending upon the requirements of your system.
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Amtrol – Amtrol Therm-X-Trol Hot Water Heater Expansion Tank – ST
This type of tank looses its air cushion over the years and will need to be drained periodically. Thermal expansion occurs as domestic water is heated.
Amtril the system water temperature increases, the expanded water is absorbed by the tank. Bladder-type tanks contain a moving bladder, and requires either a separate pressure reducing valve as mentioned above or a fill-trol valve to maintain initial fill pressure of 12 psi or higher wt-12 upon the requirements of your system. Both are intended to control the high end pressure of your boiler system and keep the relief valve from opening due to increased system pressure caused by the expansion of water.
Discounted Items – Huge Savings! Water heater manufacturers and plumbing codes require the installation of an expansion control device if a backflow preventor, pressure reducing valve or check valve is installed in the domestic supply line.
As the system water temperature reaches its maximum, the diaphragm flexes against the air cushion to allow for the increased water expansion. Your terms may vary and are subject to application.
Enter your zip for personalized product and service recommendations. Specifications Expansion Tank Type. Expansion Tank Type There are two basic expansion tank types: Total Items in Cart: Rates range from 6. Specifications Expansion Tank Type There are two basic expansion tank types: Please call us for a suitable alternate product.
There are two basic expansion tank types: