Amtrol Therm-X-Trol ST-12 Water Heater Thermal Expansion Tank, 4.4 Gal, #141N43

Description

Amtrol ST-12 (Therm-X-Trol) is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of water expansion. Water heater expansion tank is commonly installed in a domestic hot water system that contains a backflow preventer, a check valve or a pressure reducing valve.
Applications:
Residential water heaters, laundromats, dormitories, office/apartment buildings, restaurants, etc.
Features:
Eliminates the waste of energy and water, thus saving money;
Protects the water heater and plumbing fixtures from premature failure;
Reduces potential safety hazards associated with thermal expansion;
Prevents a dangerous pressure build-up in the system;
Prevents the relief valve from going off;
Therm-X-Trol brand is the #1 choice of Professional Installers;
NSF/ANSI 61®, IAPMO, SBCCI & City of Los Angeles listings.
Technical Specifications:
Factory pre-charged 40 psig
System connection: 3/4" male threaded
Stainless steel system connection
Max. operating temperature: 200F
Max. operating pressure: 150 psi
Expansion tank volume: 4.4 gallons
Max. acceptance factor: 0.73
Height: 15"
Diameter: 11"
Shipping weight: 9 lbs.
Warranty:
5-year manufacturer's warranty.