GEMS RotorFlow RFS/RFO Repair Kit – ½″ NPT - 155870

The GEMS RotorFlow RFS/RFO Repair Kit (Part #155870) is an essential maintenance kit designed to refurbish your electronic paddle-wheel flow sensors—such as the RFO, RFS, and RFA models—without needing a full sensor replacement. It includes all key internal components prone to wear:

• Ceramic rotor pin, polished for smooth rotation

• 6‑pole magnetic PPS/PTFE rotor for precise flow detection

• Buna‑N O‑ring seal

• Polysulfone viewing lens

• Shaft pin for rotor mounting

Suitable for ¼″, ½″, and 9/16″ polypropylene sensor bodies, this kit restores your flow switch’s reliability and keeps your system performing optimally.

Key Features

• Restores paddle-wheel flow sensors to near-new condition

• Includes all internal wear parts: rotor, O‑ring, lens, rotor pin

• Compatible with RFS, RFO, and RFA series sensors

• For ¼″, ½″, or 9/16″ rotary flow sensor bodies

• OEM-quality components ensure long life and accuracy

• Cost-effective alternative to full sensor replacement

Specifications

• Part Number: 155870

• Compatible Models: RFS, RFO, RFA series

• Sensor Sizes: ¼″, ½″, 9/16″ NPT

• Materials: Ceramic rotor pin; PPS/PTFE magnetic rotor; Buna‑N O‑ring; Polysulfone lens

• Body Material Compatibility: Polypropylene housings

• Application: Rotary paddle wheel flow sensors

• Warranty: Standard 1-year manufacturer