McDonnell & Miller FS6-3/4 Switch R-410A this 12 inch blower wheel

this 12 inch blower wheel is equipped with a standard 1/2 inch bore and includes a high-torque set screw for secure attachment to the motor shaft

7µA min) and fast response times prevent gas buildup during failed cycles

adjustment range to match specific equipment nameplate requirements

Enhanced Safety Logic: Reliable flame sensing prevents hazardous gas accumulation by closing the safety pilot valve immediately upon flame loss

McDonnell & Miller FS6-3/4 Switch R-410A this 12 inch blower wheelThe McDonnell & Miller FS6 3 4 (Part Number 115400) is a high sensitivity, 3 4" NPT in line liquid flow switch engineered for heavy duty industrial and commercial applications. Designed for systems requiring precise actuation at extremely low flow rates, this snap acting SPDT switch provides reliable signaling for water treatment, cooling loops, and booster pumps. Unlike standard paddle switches, the FS6 series features an in line configuration that