The 1127-2 features a fixed 10°F differential

Durable construction reduces the frequency of emergency steam system repairs

it utilizes a snap-action contact system to ensure minimal bounce times

Energy Efficiency: Precise modulation helps reduce energy waste by preventing room overheating in low-pressure steam systems

Direct Bore Compatibility: Features a standard 3/8" bore for a seamless slide-on fit with factory motor shafts

McDonnell & Miller 193-G Controller THPU32HP7Y The 1127-2 features a fixedThe McDonnell & Miller 193 G serves as a heavy duty combination low water cut off and pump controller specifically designed for commercial steam boiler applications. Featuring two snap acting SPDT switches, this unit provides precise mechanical control for both burner circuits and boiler feed pump activation. Built to withstand demanding mechanical environments, the 193 G is rated for a maximum steam pressure of 150 PSI. This model includes alternate