McDonnell & Miller Series 193 Combination Low Water Cut-Off / Pump Controllers
• For commercial and industrial low or high pressure steam boilers
• Maintains consistent water level regardless of pressure
• Water column with integral tappings for gauge glass and tri-cock installations
• For boilers of any steaming capacity
• No. 5 Switch included
• Magnetic repulsion eliminates need for bellows
• Optional features
– Manual reset
• 7B switch (135 ohm proportional control signal) to maintain constant boiler water level
• 1″ NPT connections
• Maximum pressure 150 psi (10.5 kg/cm2)
Electrical Ratings
345 VA at 120 or 240 VAC
