The McDonnell 143600 #64 low water cutoff
PRODUCT FEATURES
- Heavy Duty
- Adjustable BX outlet for easy installation
- Dual precision switches for dependable operation of the low water cut-off and alarm or electric water feeder
- Packless bellows
- Optional manual reset available
- 1″ (25mm) NPT equalizing pipes required
- Maximum boiler pressure 50 psi (3.5 kg/cm2)
- Use with TC-4 on hot water systems