Waterway Drain Grate [9" x 9" Square Black] (642-4791V) couplings Light-duty flow switches like this

Light-duty flow switches like this are useful in control applications where accurate flow verification matters more than heavy switching capacity

this air control box helps support dependable function control

or bonded plumbing work is involved

Wet end for compatible Balboa Vico 4

Waterway Drain Grate [9" x 9" Square Black] (642-4791V) couplings Light-duty flow switches like thisWaterway Drain Grate [9" x 9" Square Black] is a replacement drain component designed for compatible pool, spa, and bath drain installations. This Waterway Plastics part supports proper water movement, service access, and finished system appearance when matched to the correct drain body or assembly. Use it during drain repairs, equipment refreshes, or replacement work where the size, style, color, and part number need to match the existing