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. The patented InSight Indicator Cap changes its color when the tank needs to be replaced.
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.
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