Amtrol 140N43 Therm-X-Trol ST-5 Thermal Expansion Tank

The 140N43 from Amtrol is a Therm-X-Trol ST-5 Thermal Expansion Tank. It's 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.

Features:

• Eliminates the waste of energy and water, thus saving money;
• Protects the water heater and plumbing fixtures from premauture 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;

Standards & Approvals:

• NSF/ANSI 61®, IAPMO, SBCCI & City of Los Angeles listings.

Amtrol ST-5 Applications:

• Residentail water heaters, laundromats, dormitories, office/apartment buildings, restaurants, etc.

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: 2.0 gallons;
• Max. acceptance factor: 0.45;
• Height: 12-5/8";
• Diameter: 8";
• Shipping weight: 5 lbs.

Warranty:

• 5-year manufacturer's warranty.