Gems Sensors FS-500, 170232 – 3/4" FNPT SPST NO Liquid Flow Switch 120-240 VAC/VDC 0.5 GPM
Gems Sensors FS-500, 170232 – 3/4" FNPT SPST NO Liquid Flow Switch 120-240 VAC/VDC 0.5 GPM
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Ships factory-new in original packaging.
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Commercial Ordering FAQ
How do I verify that Gems Sensors FS-500, 170232 – 3/4" FNPT SPST NO Liquid Flow Switch 120-240 VAC/VDC 0.5 GPM is the correct replacement part for my equipment?
Check the OEM part number (FS-500, 170232) against your equipment nameplate or the manufacturer's repair parts list before ordering. If you are not sure, call the National Boiler Supply order desk at 850-565-3492 and we can cross-reference your equipment model and serial numbers before the order ships.
What are the shipping and freight options for GEMS SENSORS orders?
Standard parcel orders ship quickly from commercial distribution centers. Shipping is a $35 flat rate on orders under $999, and qualifying orders of $999 or more ship free by ground. Heavy equipment that has to move by LTL freight is quoted after the order is placed and confirmed with you before dispatch.
Can contractors or facility managers request a formal quote or use a Purchase Order (PO)?
Yes. National Boiler Supply works with commercial contractors, mechanical engineers, municipalities, and facility teams. Call 850-565-3492 for a formal quote, bulk pricing, or PO and tax-exempt order processing.
What if this GEMS SENSORS part is marked Call to Order or needed for an emergency repair?
Call our order desk at 850-565-3492. We can confirm factory lead times right away and arrange expedited air or hot-shot delivery when a repair cannot wait.
Order the Gems Sensors FS-500, 170232 Switch from National Boiler Supply. Call our order desk at 850-565-3492 for a formal quote or a part number cross-check.
Product Details
Ambient Temperature - Maximum 212 Degrees F, Ambient Temperature - Minimum 0 Degrees F, Connection Size 3/4 in, Connection Type FNPT, Contact Rating (DC) 20 V, Filter Rating - Maximum 100 micron, Flow Rate - Maximum 0.5 gpm, Flow Rate - Minimum 0 gpm, Flow Switch Type Piston, Housing Material Polypropylene, Media Temperature - Maximum 212 Degrees F, Media Temperature - Minimum 0 Degrees F, Overall Height 3.8 in, Overall Length 1.5 in, Overall Width 2 in, Phase -.
Technical Specifications
| Brand | Gems Sensors |
|---|---|
| Manufacturer Part Number | FS-500, 170232 |
OEM Part Verification: Confirm Gems Sensors part number FS-500, 170232 against your equipment nameplate or parts list before ordering. Our order desk can cross-check it for you.
Order Desk Support: Call 850-565-3492 for formal quotes, lead times, and volume pricing.
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.