Signet 2537 Paddlewheel Flow Sensor Polypropylene Rotor, Titanium Pin, 4-20mA gallons-per-minute_400+ Replacing your hydrostatic relief valve

Replacing your hydrostatic relief valve after you drain your pool is highly recommended

So testing for hydrogen peroxide would be an important test for individuals using this method for sanitizing their pools or spas

has 6 inch connections with a filtration area of 38 square feet and features a 100% non-corrosive thermoset composite structure with a gel coat and marine grade finish

Bromine/Chlorine

Adapters included for universal hose connections

Signet 2537 Paddlewheel Flow Sensor Polypropylene Rotor, Titanium Pin, 4-20mA gallons-per-minute_400+ Replacing your hydrostatic relief valveThe Signet 2537 Flow Sensor is an enhancement on what is already an industry standard. It has the added functionality of various output options including flow switch, pulse divider, digital (S3L) or 4 to 20 mA. It also offers low flow, low power and high resolution and can be configured on site directly through the built in user interface.