The Pentair WellMate PEU compact expansion tank range includes high-performance pressure vessels with an 8.5 bar rating, built for domestic and commercial systems. Available in sizes from 55L to 453L, these tanks feature corrosion-resistant composite construction and threaded connections:
- 55L, 75L, 112L, 153L – 1" connection
- 178L, 235L, 328L, 453L – 1 ¼" connection
Designed for water pressure boosting, thermal expansion control, and hydronic heating, WellMate PEU tanks offer lightweight durability and minimal maintenance.