About H2Flow Pool & Spa Circulation and Sensors
- Why We Trust H2Flow Pool & Spa Circulation and Sensors
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Precision Engineering: Home to FlowVis, the world’s only NSF 50 Level 1 certified flow meter with 98.1% accuracy.
Safety First: Pioneers in anti-entrapment technology (PSP20) and automated water leveling to prevent pump damage.
Energy Optimization: Specializing in technologies that help users "dial in" variable speed pumps to the lowest effective flow rate.
Reliable Longevity: Products designed in the USA with a focus on durability, often featuring 15-year design lives and robust warranties.
More about Pool Flowmeters for Circulation Monitoring
Complete Your Pool Care Routine
Essential Pairing
Pool and Spa Pumps & Motors for Reliable Water Circulation
Shop Pool and Spa Pumps & Motors for Reliable Water Circulation
Matching a flowmeter with a variable speed pump allows you to dial in the exact RPM needed for your pool's turnover, maximizing your energy savings.
Highly Recommended
Filter Cleaning Chemicals for All Types of Pool & Spa Filters
Shop Filter Cleaning Chemicals for All Types of Pool & Spa Filters
Monitoring your GPM via a flowmeter is the most accurate way to tell when your filter cartridges are dirty and require cleaning.
Pro Tip: Don't Forget
Pool & Spa Filter Media for Best Filter Performance
Shop Pool & Spa Filter Media for Best Filter Performance
If you still lack flow, it may be time to replace your filter media, as even cleaning chemicals have a limit.

