Clack (R7009)-890 In/Out Head w/ 1/2" Port Micron Rating1577 The 185nm wavelength creates ozone

The 185nm wavelength creates ozone from dissolved oxygen in the water

Whirlpool and other manufacturers using standard big blue housing dimensions

ensuring proper seating and O-ring alignment to prevent leaks

while OD refers to outside diameter of polypropylene and polyethylene tubing

The Watts FSRO20 Flexwave is engineered for commercial and high-volume residential RO systems where larger pressure differentials and storage capacity are critical

Clack (R7009)-890 In/Out Head w/ 1/2" Port Micron Rating1577 The 185nm wavelength creates ozoneThe Clack RA201 890 In Out Head is a 1 2" port control valve head designed for integration with Clack water softener systems, providing reliable inlet and outlet control for residential and light commercial applications. This genuine Clack component (model RA201 890) ensures proper flow management and system cycling in compatible valve assemblies. SPECIFICATIONS Clack RA201 890 In Out Head Technical Specs Manufacturer Clack Corporation Model Number