Enhanced Safety: Built-in slotted safety magnet allows for easy connection of an ECO (Energy Cut-Off) switch where required

Verify the condition of your existing well before installation

Reduced Maintenance Frequency: High-integrity sealing prevents bolt tension loss and gasket failure

gasket (607014)

Common Industrial Questions How do I adjust the cut-in and cut-out settings on the A30-310

McDonnell & Miller FS7-4S Snap Switch THPU32HP7Y Enhanced Safety: Built-in slotted safetyThe McDonnell & Miller FS7 4S is a heavy duty industrial liquid flow switch engineered for high pressure applications where standard brass units fall short. Featuring a rugged stainless steel body and 120160 part number, this 1 1 4" NPT flow switch is rated for a maximum pressure of 1000 psi and fluid temperatures up to 300F. The single pole, double throw (SPDT) snap switch mechanism provides reliable liquid flow detection for large pipe systems,