Description
The McDonnell & Miller 157S-RL (176902) combines float-operated low water cut-off and feed-pump control for steam boilers. Its float chamber includes an integral water column.
- Automatic reset configuration
- SPST pump-control switch and SPDT low-water/alarm switch
- Alternate water-column tappings; match the connection layout to the installed control
- Maximum operating pressure: 150 psi