Monitor water flow accurately compatible with the Rola-Chem 570351S PVC Side Mount , designed for reliable measurement in plumbing, pool, and water treatment systems. This 2-inch operates within a 40–140 gallons per minute (GPM) range, providing clear and dependable flow readings for professional applications. Constructed from durable PVC, the 570351S is engineered to withstand demanding environments and water temperatures up to 200°F. Its side-mount design allows convenient installation and compatibility with many existing systems, making it a practical replacement or upgrade for water flow monitoring setups. A trusted name in pool and water management equipment, this delivers dependable accuracy and durability for professionals who require consistent monitoring of water systems.