Xylem-Bell & Gossett 1BN322LF PT60V 34 Gallon Potable Water Expansion Tank Lead-Free

The Xylem-Bell & Gossett 1BN322LF is a PT60V series potable water expansion tank designed for residential and light commercial potable water systems. This lead-free tank provides 34 gallons of total capacity to accommodate thermal expansion in closed-loop domestic water systems, protecting plumbing fixtures and water heaters from excessive pressure.

Key Features:

• 34 gallon total capacity for thermal expansion control
• Lead-free construction meets NSF/ANSI 61 and 372 standards for potable water contact
• Pre-charged butyl diaphragm separates water from air charge
• Corrosion-resistant steel shell with protective coating
• Replaceable butyl diaphragm for extended service life
• Standard 3/4-inch NPT connection for easy installation
• Pre-pressurized to match typical residential water systems

This expansion tank is ideal for protecting domestic water heaters and plumbing systems from damage caused by thermal expansion when backflow preventers or pressure-reducing valves create a closed system. The lead-free design ensures compliance with current plumbing codes for potable water applications.