Therm-X-Trol ST-5 Thermal Expansion Tank (2.0 Gal Volume)
Brand: Amtrol
Part#: 140N43
Model: ST-5
In Stock
Usually ships: within 1 business day
Amtrol ST-5 (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.
 
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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.
 
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Warranty:
5-year manufacturer's warranty.
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