Description
SPECIFICATIONS
McDonnell & Miller Series 69 – Built-In Low Water Cut-Offs
For residential and commercial low pressure steam boiler applications
For boilers of any steaming capacity
For mounting in 21/2? NPT boiler side tappings
Insertion lengths available in 13/16 – 41/8? (30-105mm)
Packless bellows
Adjustable BX outlet for easy installation
Dual precision switches for dependable operation of the
low water cut-off and an alarm or electric water feeder
millivolt
circuits
Maximum steam pressure 20 psi (1.4 kg/cm2)
PARTS