Description
The McDonnell & Miller 51-B-2M (135500) is a float-operated water feeder for low pressure steam and hot water boilers. Proportional feed action adds water as the boiler level falls. The included No. 2 switch adds a low water cut-off function.
- Maximum water supply pressure: 150 psi
- Maximum boiler/vessel pressure: 35 psi
- Maximum inlet water temperature: 120°F
- No. 2 switch with manual reset
- Float block configuration
