Description
The McDonnell & Miller 136300 51-SB-2 is a mechanical water feeder with a float block and No. 2 low water cut-off switch for low-pressure steam and hot water boilers using cold feed water.
- Configuration: 51-SB with No. 2 switch
- Includes float-block arrangement
- Maximum water-supply pressure: 100 psi
- Maximum vessel pressure: 35 psi
- Maximum inlet water temperature: 120 °F
