Description
The McDonnell & Miller 61 (140100) is a float-operated low water cut-off for residential and commercial low pressure steam boilers. Its two switch circuits serve the burner low-water circuit and an alarm or electric water feeder.
- Maximum steam pressure: 20 psi
- For installation with 1-inch NPT equalizing pipes
- Packless bellows
- Blow-down valve required by the installation instructions
