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with a spring return closing time of under 10 seconds
The 8-13 psi spring range provides precise control over the 3-inch stroke
Built for high-performance hydronic management
30" PF set point
McDonnell & Miller 193 Controller Els PW 29614 with a spring return closingThe McDonnell & Miller 193 (Part Number 163400) provides heavy duty combination low water cut off and pump control for commercial and industrial steam boilers. Engineered for high pressure systems with a 150 PSI maximum pressure rating, this unit features dual snap acting SPDT switches to ensure precise differential control and reliable burner shut down. The proportional action of the float mechanism maintains tight water level tolerances, preventing