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ST-5 Therm-X-Trol Expansion Tank (2.0 Gal Volume)
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.
Amtrol ST-5 Advantages:
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
Amtrol ST-12 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;
Shipping weight: 5 lbs
Standards & Approvals:
NSF/ANSI 61®, IAPMO, SBCCI & City of Los Angeles listings.
Amtrol ST-12 Applications:
Residential water heaters, laundromats, dormitories, office/apartment buildings, restaurants, etc.
This item CAN NOT be shipped to Hawaii, Alaska, Puerto Rico and Internationally.
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Payment for all purchases is due within 5 business days from the date of purchase. Unpaid orders will be cancelled.
For assistance with payment questions, quotes and volume discounts, contact our Customer Support during normal business hours.
We combine shipping. For details, see our Shipping Policy.
All orders are usually shipped the same business day if placed before 3pm EST. Shipment days are Monday through Friday.
Tracking information is sent to you automatically at the time of shipment and is always available if needed.
All orders are inspected prior to shipment and are insured against loss or damage in transit.
For estimated delivery dates, see Transit Times.
Our friendly and knowledgeable staff is here to serve your needs.
Contact us if you have any questions or need any assistance with your purchase.
Our store hours are Monday through Friday, 9.00am – 6.00pm Eastern Standard Time
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See “Shipping and Payments” tab below main product picture for return policy on this product.
RMA# is required for all returns. Buyer is responsible for return shipping charges. Processing time: 3-5 business days upon receipt.
Product(s) must be returned in original condition, undamaged, unopened, unused, uncut.
For details and complete return instructions, see our store Return Policy.