Description
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:
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Ceramic rotor pin, polished for smooth rotation
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6‑pole magnetic PPS/PTFE rotor for precise flow detection
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Buna‑N O‑ring seal
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Polysulfone viewing lens
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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
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Restores paddle-wheel flow sensors to near-new condition
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Includes all internal wear parts: rotor, O‑ring, lens, rotor pin
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Compatible with RFS, RFO, and RFA series sensors
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For ¼″, ½″, or 9/16″ rotary flow sensor bodies
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OEM-quality components ensure long life and accuracy
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Cost-effective alternative to full sensor replacement
Specifications
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Part Number: 155870
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Compatible Models: RFS, RFO, RFA series
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Sensor Sizes: ¼″, ½″, 9/16″ NPT
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Materials: Ceramic rotor pin; PPS/PTFE magnetic rotor; Buna‑N O‑ring; Polysulfone lens
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Body Material Compatibility: Polypropylene housings
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Application: Rotary paddle wheel flow sensors
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Warranty: Standard 1-year manufacturer
