125 VA pilot duty rating
• 4-1/8" length insertion
• Packless bellows
• Dual precision switches for dependable operation of the low water cut-off and an alarm or electric water feeder
• For mounting in 2-1/2" NPT boiler side tappings
• Adjustable Bx outlet for easy installation
  
  

  McDonnell & Miller B106

Adjustable Bx outlet for easy installation
• Dual precision switches for dependable operation of cut-off, alarm or electric water feeder
• Packless bellows
• Millivolt circuits

McDonnell & Miller B106-4

Burner circuit contacts open after 15 sec delay in a low water condition
• Delay prevents short cycling caused by momentary fluctuations in the boiler water level
• Automatically reactivates burner circuit 30 sec after water reaches the probe, allowing optional water feeder to raise water level above the probe
• SPDT switch contact
  
  

  Hydrolevel B103-38

Combustion pressure switch check feature and communication interface capability
• Heavy duty electro-mechanical design for long life
• Automatically re-energizes circuit upon return to safe water level
• Equipped with shorter probe for mounting in standard reducing tees
• SPDT switch contact
• Includes shorter EL1214-SV probe suitable for mounting in standard black tee
  
  

  Hydrolevel B103-30

Nylon steel locking nut
• Brass end cap
  Boston Metal Products, LTD. was established in the summer of 1998 by it's three founding partners who combined, have over fifty years of experience in the manufacturing and sale of plumbing and related products. BMP currently occupies approximately 16,000 square feet office, manufacturing and warehouse space in a modern industrial park located in northeast Rhode Island, in the rural town of Smithfield. This ideal location, within minutes of three major highways, allows for shipment of product to your door in a most timely fashion. BMP's overall Length is to ship all orders within 24 to 48 hours of receiving them, so that our customers are able to minimize inventory requirements with the confidence that products are only a truck ride away.,
  
  

  Boston Valve BTD0750002

Lockout delay
• Power interruption
• Self cleaning probe
• No lock out with loss of power if probe is in water
• Green LED indicates power on
• Red LED indicating low water condition
• 7000 ohm probe sensitivity
  
  

  B103-17

Continuous maintenance of minimum safe water level, independent of electrical service
• Proportional feed action
• Quick hook-up fittings provided
• Quick change replaceable cartridge valve and strainer
• Model 47 can be field upgraded with a No #2 switch to add low water cut-off function
  
  

  B110-1

McDonnell & Miller B120

McDonnell & Miller B115

McDonnell & Miller B122

Eliminates necessity to manually add water to the boiler
• Can be used with mechanical or electronic low water cut-off controls
• Quick-change replaceable cartridge valve and strainer
• Manual feed button
• 40 VA transformer
  
  

  McDonnell & Miller B112-8

McDonnell & Miller B115-1