INSTRUCTION MANUAL MM-601REVI Series FS4-3 Determine the correct paddle length for your installation from the chart below. NOTE: •All models (except FS4-3RP) include 4 paddles. • The flow switch must be installed in the pump suction

• For hazardous environment applications requiring a NEMA 7 (Class I, Group C or D) or NEMA 9 Class II, Group E, F, or G) rated flow switch View Details McDonnell Miller McDonnell & Miller FS Series paddle type flow switches are widely used in Commercial HVAC and Industrial applications for flow indication in any common pipe size 1? and greater. The general purpose FS4-3 and general purpose weather proof FS8-W have a 1? NPT male connection and fit pipe sizes from 1? to 6? sizes. Find great deals on eBay for fs4-3 flow switch. Shop with confidence. Skip to main content. eBay Logo: Shop by category. McDonnell Miller FS4-3 Liquid Flow Switch 1" NPT 120/240VAC NEMA 1. McDonnell & Miller. $125.00. or Best Offer. Free Shipping. McDonnell & Miller Installation & Maintenance Instructions MM-625 FLOW Series FS-250 General Purpose Liquid Flow Switch OPERATION This control is an independently mounted water flow sensing device that makes or breaks an electrical circuit when flow stops or starts. Find great deals on eBay for mcdonnell flow switch fs4-3. Shop with confidence. Skip to main content. eBay Logo: Shop by category. McDonnell & Miller FS4-3 Flow Switch, Connection: 1" NPT, Voltage: 115/230VAC. $60.00. or Best Offer. Free Shipping. Looking for MCDONNELL & MILLER 1 NPT General Purpose Switch, —? Grainger's got your back. List Price:$111.10. Easy ordering & convenient delivery. Log-in or register for your pricing. Skip to Content 1 NPT General Purpose Switch, — Series FS7-4 Industrial Liquid Flow Switch installation, and maintenance of plumbing, steam and electrical equipment and/or systems in flow switch and using a flat blade screwdriver, tighten the cover screws to a torque of 10 lb•in (1.13 N•m).