Hydrolevel FS200 Liquid Flow Switch

The Hydrolevel FS200 Liquid Flow Switch is a dependable paddle-type flow switch for 1 inch lines. It features SPDT contacts and a rugged NEMA 1 enclosure for reliable flow sensing in HVAC, boiler, and pumping systems.

Built for demanding service, this device uses four heavy-duty stainless steel paddles and a resilient control chassis to withstand tough environments. It handles motor duty on 120 VAC or 240 VAC with a 125 VA input rating, and it offers a wide activation/deactivation range for precise control. With a 160 psi pressure rating and a temperature range of 32 to 250°F, the FS200 delivers consistent performance across varied liquids.

• Type / Size: Paddle, 1" nominal
• Connections / Mounting: Male threaded end; vertical mount
• Contacts / Enclosure: SPDT; NEMA 1 enclosure (formed sheet metal)
• Electrical: 7.4 A full-load / 44.4 A LRA at 120 V; 125 VA @ 120/240 V
• Flow Range: Activates 4.5–14.8 GPM; Deactivates 2.2–13.8 GPM
• Ratings: 160 psi; 32–250°F
• Materials: 4 stainless-steel paddles; 13 ga galvanized steel chassis; 16 ga powder-coated steel cover
• Standards / Size: UL listed (Canada/US); 3.8" W x 6.02" H