McDonnell Miller Series 157 In Stock

Manufacturer:
McDonnell Miller
Description:

McDonnell Miller Series 157 Low Water Cut-Off

Features and Benefits

  • For commercial and industrial low or high pressure boiler applications
  • For boilers of any steaming capacity
  • Monel bellows provides corrosion resistance
  • Snap action switches for high temperature service
    • 1 Single pole, single throw switch for pump control
    • 1 Single pole, double throw switch for low water
  • Cut-off and alarm actuation

Optional Features

  • Manual reset
  • 2 Single pole, single throw switches
  • 2 Single pole, double throw switches
  • Float block
  • BSPT threads
  • Maximum pressure 150 psi (10.5 kg/cm2)
  • Model 150S-MD Maximum differential operation – Prevents nuisance burner shutdowns in low pressure applications

 

Item Name: McDonnell Miller Series 157
Short description: McDonnell Miller Series 157
Lead Time: Most items In Stock ready to ship!
Specifications - Replacement Heads
Part # Model # Description Weight Price Qty  
173003 150S-HD McDonnell Miller 150S-HD Head Mechanism 13.50 $646.50 Add to Cart
173203 150S-M-HD McDonnell Miller 150S-M-HD w/ manual reset - McDonnell Miller 150S-M-HD Replaces 150S-M-HD 14.00 $646.50 Add to Cart
171640 150-E-HD McDonnell Miller 150-E-HD Obsolete - Replace with 150S-HD 14.00 $646.50 Add to Cart
171650 150-E-M-HD McDonnell Miller 150-E-M-HD Obsolete - Replace with 150S-M-HD if over 50 psi or 150S-M-MD-HD if less than 50 psi 14.00
Specifications - Complete Units
Part # Model # Description Weight Price Qty  
173502 157S McDonnell Miller 157S Low water cut-off w/ water column 43.00 $913.72 Add to Cart
173600 157-MD McDonnell Miller 157-MD w/ maximum differential 43.00
173700 157-A McDonnell Miller 157-A w/ alternate tapping 43.00
173800 157-A-M McDonnell Miller 157-A-M Obsolete - Replace with 157S-AM 43.00
175400 157-M McDonnell Miller 157-M LWCO W/Manual Reset 43.00
175410 157-M-MD McDonnell Miller 157-M-MD w/ maximum differential 43.00
176200 (Replaced by 176220) 157-R McDonnell Miller 157-R w/ alternate tapping 45.00 $1,037.50 Add to Cart
177300 (Replaced by 172817) 157-R-M McDonnell Miller 157-R-M w/ manual reset 45.00
176501 157-RBP-MD McDonnell Miller 157-RBP-MD Obsolete - Replace with 157S-RBP-MD 53.00
176900 157-RL McDonnell Miller 157-RL Obsolete - Replace with 157S-RL control w/alternate tapping 45.00
171636 157E-RL-M McDonnell Miller 157E-RL-M w/ manual reset 45.00
Specifications - Replacement Parts
Part # Model # Description Weight Price Qty  
310462 SWA150S McDonnell Miller SWA150S Snap Switch for 150S 3.00 $255.50 Add to Cart
348300 SA150-125 McDonnell Miller SA150-125 Mercury Switch, 2 wire (Repalce the Head that has the Snap Type Switch) 3.00
348200 SA150M-124 McDonnell Miller SA150M-124 Switch, 3 wire w/ Manual reset - Obsolete - Replace with 150S-M-HD 3.00
348100 SA150-124 McDonnell Miller SA150-124 Mercury Switch, 3 wire (Repalce the Head that has the Snap Type Switch) 3.00
347900 SA150-106R McDonnell Miller SA150-106R Bellows Assembly 3.00 $191.55 Add to Cart
354106 EA-157-S McDonnell Miller EA-157-S Short electrode for 157-RBP 3.00 $171.60 Add to Cart
347600 SA150-11 McDonnell Miller SA150-11 Float and Rod 3.00 $199.75 Add to Cart
325500 150-14H McDonnell Miller 150-14H Head gasket (for raised face head flange, 8 holes), 6 pack 3.00 $40.00 Add to Cart
354107 EA-157-L McDonnell Miller EA-157-L Long electrode for 157-RBP 3.00 $171.60 Add to Cart
179150 PCH-G-A-2 McDonnell Miller PCH-G-A-2 Probe level control (OBSOLETE NO REPLACEMENT) 5.00
348900 SA150M-436 McDonnell Miller SA150M-436 Cover for mercury switch, manual reset only 3.00
326950 SA150-436 McDonnell Miller SA150-436 Cover for all other models 3.00 $62.50 Add to Cart
Electrical Ratings
Voltage Motor Switch Rating(Amperes)
120 VDC .5 Amp Full Load
Motor Switch Rating(Amperes)
120 VDC .5 Amp Locked Rotor
Pilot duty
120 VAC 7.4 44.4 125 VA at 120 or 240 VAC
240 VAC 3.7 22.2 125 VA at 120 or 240 VAC
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