Brass threads provide a metal-to-metal seal that ensures a leak-free installation
• Integrated wrench flats enable secure installation without damage to the housing
• Compact size, easy to install and wire
• Green LED indicates power on
• Red LED indicating low water condition
• Solid state operation
• 15000 ohm probe sensitivity
  
  

  McDonnell & Miller RB-24

Electronic operation, easy to install and wire
• Red low water indicating LED, green power indicating LED
• Automatic reset and now with test button
• 20000 ohm probe sensitivity
• NEMA 1 enclosure
  
  

  McDonnell & Miller RB-122

mcdonnell & miller sa66-35

mcdonnell & miller sa66-35

2-1/8" probe
• 30 sec delay on make, 10 sec delay on break
• Features an automatic reset, test switch and LED low water indicator light
• No lock out with loss of power if probe is in water
• Self-cleaning probe
• NEMA 1 enclosure
  
  

  McDonnell & Miller 153827

50 VA at 24 VAC pilot duty rating
• 2-1/8" probe
• 30 sec delay on make, 10 sec delay on break
• Features an automatic reset, test switch and LED low water indicator light
• No lock out with loss of power if probe is in water
• Self-cleaning probe
• NEMA 1 enclosure
  
  

  McDonnell & Miller 153927

150S-HD

144681

McDonnell & Miller 325600

mcdonnell & miller 310453

354001

McDonnell & Miller 61

No lock out with loss of power if probe is in water
• Test button
• Green LED indicates power on
• Red LED indicates low water
• 20000 ohm probe sensitivity
• With standard probe
  
  

  752P-MT-24