Dwyer Instruments FS-2-W8 Vane Flow Switch 1" Male NPT 8 ft Leads

The Dwyer Instruments FS-2-W8 is a Series FS-2 vane (paddle) flow switch with a 1" male NPT process connection and 8 ft wire leads. It gives an economical way to prove flow, and it suits "flow or no flow" duty in cold and hot water systems.

Key Features:

• 1" male NPT process connection with 8 ft leads
• SPDT snap switch
• Field adjustable vane layers and a set point adjustment screw, so you can tailor the set point to your application
• Paddles adjust to fit 1" to 8" pipe
• Aluminum weatherproof housing for outdoor installation
• Wetted materials: tin-bronze bellows, stainless steel vane, forged brass body
• Electrical rating: 10 A resistive, 3 A inductive at 250 VAC

Installation note: Install the switch vertically on horizontal pipe runs.

Typical uses include proving flow in boilers, hot water heaters and chillers.