Amtrol 391251 Amtst-70v-c ASME diaphragm thermal expansion tank for domestic hot water systems 150 psi 34 gallon with 3/4 inches connection

Product Description

The AMTROL 391251 Amtst-70v-c is an ASME diaphragm thermal expansion tank engineered for domestic hot water systems. This 34-gallon unit, featuring a 3/4" FNPT connection, is rated for 150 psig pressure. Constructed from steel with a red oxide primer finish, it effectively manages pressure fluctuations within the system. The tank has a pre-pressure rating of 55 psig and can operate up to a maximum temperature of 200 deg F, protecting water heaters and plumbing fixtures.

• Rated for 150 psig pressure for reliable system operation.
• ASME certified diaphragm thermal expansion tank for safety and compliance.
• Designed for domestic hot water systems with a 34-gallon tank volume.

Product Highlights

Manages pressure in domestic hot water systems, protecting plumbing and enhancing efficiency.

Product Information

Standard Information

• Brand: AMTROL
• Manufacturer Part Number: 391251
• Country of Origin: Domestic

Technical Specifications

• ASME Certified: Yes
• Acceptance Volume: 11 gal
• Connection Size: 3/4 in
• Connection Type: FNPT
• Diameter: 16 in
• Domestic/Import: Domestic
• Finish: Red Oxide Primer
• Height: 45 in
• Material: Steel
• Maximum Temperature: 200 deg F
• Pre-Pressure Rating: 55 psig
• Pressure Rating: 150 psig
• Series: ST-C
• Tank Volume: 34 gal
• Type: Diaphragm Free Standing