McDonnell Miller Series 157S In Stock

Manufacturer:
McDonnell Miller
Description:

McDonnell Miller Series 157S 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 157S
Short description: McDonnell Miller Series 157S
Description:

Lead Time: Most items In Stock ready to ship!
Dimensions
Model A B C D E F G H J K L
157 1 1/2 13 3/8 2 5/16 4 15/16 11 3/4 16 11.5 3.5 3/4 5 7/8
157S-A 1 1/4 3/4 13 3/8 2 5/16 4 15/16 11 3/4 16 11.5 3.5 3/4 5 7/8
157S-R 1 1/2 13 3/8 2 1/4 5 7/8 11 3/4 17 11.5 3.5 3/4 5 7/8
157S-RL 1 1/4 1/2 13 9/16 3 1/2 5 7/8 11 3/4 17 12.75 3.5 3/4 5 7/8
157S-RBP-MD 1 1/2 13 9/16 3 1/2 5 7/8 11 3/4 17 11.5 3.5 12 1/4
Replacement Parts
Part # Model # Description Weight Price Qty  
347900 SA150-106R Bellows Assembly 3.00 $191.55 Add to Cart
347600 SA150-11 Float and Rod 3.00 $199.75 Add to Cart
325500 150-14H Head gasket (for raised face head flange, 8 holes), 6 pack 3.00 $40.00 Add to Cart
354106 EA-157-S Short electrode for 157-RBP 3.00 $171.60 Add to Cart
354107 EA-157-L Long electrode for 157-RBP 3.00 $171.60 Add to Cart
179150 PCH-G-A-2 Probe level control (OBSOLETE - NO REPLACEMENT ) 5.00
326950 SA150-436 Cover 3.00 $62.50 Add to Cart
Ordering Information
Part # Model # Description Weight Price Qty  
173502 157S 150 Low water cut-off w/ water column 43.00 $913.75 Add to Cart
173603 157S-MD 157 w/ maximum differential 43.00 $913.75 Add to Cart
173702 157S-A 157 w/ alternate tapping
$Call
43.00
173802 157S-A-M 157-A w/ manual reset 43.00 $913.75 Add to Cart
175402 157S-M 157 w/ manual reset 43.00 $913.75 Add to Cart
175412 157S-M-MD 157-M w/ maximum differential
$Call
43.00
176220 157S-R 157 w/ alternate tapping 45.00 $1,037.40 Add to Cart
177306 157S-R-M 157-R w/ manual reset 45.00
176503 157S-RBP-MD 157 w/ 2 integral conductance probes 54.00 $1,699.75 Add to Cart
176902 157S-RL 157 w/ alternate tapping 45.00 $1,033.50 Add to Cart
177006 157S-RL-M 157-RL w/ manual reset 45.00 $1,033.50 Add to Cart
Replacement Heads
Part # Model # Description Weight Price Qty  
173003 150S-HD Head Mechanism w/ snap switch 13.00 $646.50 Add to Cart
173203 150S-M-HD 150S-HD w/ manual reset 13.00 $646.50 Add to Cart
173103 150S-MD-HD 150s Maximum Differential 13.00 $646.50 Add to Cart
173302 150S-M-MD-HD 150S w/ manual reset & Max diff.
$Call
13.00
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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