McDonnell Miller Series 157S In Stock

Manufacturer:
McDonnell Miller
Description:

Low Water Cut-Off For residential, commercial, and industrial applications. For boilers of any steam capacity. Monel bellows provides corrosion resistance. Float chamber with integral water column provided Snap action switches for high temperature service. Maximum pressure 150 psi.

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
Replacement Parts
Model# Part# Description Weight, lbs. Price  
SA150-106R 347900 Bellows Assembly 0.4 $143.64 RFQ
SA150-11 347600 Float and Rod 1 $151.63 RFQ
150-14H 325500 Head gasket (for raised face head flange, 8 holes), 6 pack 0.5 $32.82 RFQ
EA-157-S 354106 Short electrode for 157-RBP 0.5 $127.68 RFQ
EA-157-L 354107 Long electrode for 157-RBP 0.5 $127.68 RFQ
PCH-G-A-2 179150 Probe level control (OBSOLETE - NO REPLACEMENT ) 2.7 RFQ
SA150-436 326950 Cover 0.5 $47.09 RFQ
Ordering Information
Model# Part# Description Weight, lbs. Price  
157S 173502 150 Low water cut-off w/ water column 39.7 $714.21 RFQ
157S-MD 173603 157 w/ maximum differential 39.7 $714.21 RFQ
157S-A 173702 157 w/ alternate tapping
$Call
39.5 RFQ
157S-A-M 173802 157-A w/ manual reset 39.5 $714.21 RFQ
157S-M 175402 157 w/ manual reset 39.7 $714.21 RFQ
157S-M-MD 175412 157-M w/ maximum differential
$Call
39.7 RFQ
157S-R 176220 157 w/ alternate tapping 42 $813.96 RFQ
157S-R-M 177306 157-R w/ manual reset 42 $809.97 RFQ
157S-RBP-MD 176503 157 w/ 2 integral conductance probes 51 $1,328.68 RFQ
157S-RL 176902 157 w/ alternate tapping 42 $809.97 RFQ
157S-RL-M 177006 157-RL w/ manual reset 42 $809.97 RFQ
Replacement Heads
Model# Part# Description Weight, lbs. Price  
150S-HD 173003 Head Mechanism w/ snap switch 11 $498.76 RFQ
150S-M-HD 173203 150S-HD w/ manual reset 11 $498.76 RFQ
150S-MD-HD 173103 150s Maximum Differential 11 $498.76 RFQ
150S-M-MD-HD 173302 150S w/ manual reset & Max diff.
$Call
11 RFQ
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
Alarm Circuit Rating
Voltage Amps
120 VAC 1
240 VAC 1/2