McDonnell Miller Series 42 In Stock

Manufacturer:
McDonnell Miller
Description:

Low Water Cut-Off /Pump Controllers For residential, commercial, and industrial low and medium pressure steam boiler with a separate water column. Monel bellows provides corrosion resistance. Single pole, single throw mercury switches. Maximum pressure 50 psi.

Item Name: McDonnell Miller Series 42
Short description: McDonnell Miller Series 42
Lead Time: Most items In Stock ready to ship!
Replacement Heads
Model# Part# Description Weight Price Qty  
42S-HD 129502 Replacement Head for 42-HD 9.50 $520.80 Add to Cart
Ordering Information
Model# Part# Description Weight A B C D E F G Price Qty  
42-S-A 129702 Combination low water cut-off pump controller (Replaces 42) 17.50 12 1/4 2 9/16 1 8 7/8 3 11/16 3 1/8 1/2 $777.01 Add to Cart
42-N 129800 42 w/ glass connector 23.50 $697.21 Add to Cart
Replacement Parts
Model# Part# Description Weight Price Qty  
SA150-125 348300 Switch, 2 wire (REPLACE THE HEAD THAT HAS THE SNAP TYPE SWITCH ) 2.50 $155.26 Add to Cart
SA42-125 341300 Switch, 2 wire 2.50 $105.01 Add to Cart
CO-12 302600 Head gasket (6 pack) 3.00 $38.00 Add to Cart
MA-159 328300 Quick hook-up fittings 8.00 $382.20 Add to Cart
SA259-24 351800* Upper quick hook-up 3.00 $94.95 Add to Cart
SA159-24 349500* Lower quick hook-up 3.00 $97.44 Add to Cart
SA159-17 349400* Black "Y" assembly 4.50 $72.25 Add to Cart
Dimensions
Model A B C D E F G H J K L M N P Q R S T
42 12 1/4 2 9/16 1 8 7/8 3 11/16 3 1/8 1/2
42-A 12 1/4 2 9/16 1 7 1/4 - 16 11/16 2 3/4 3 1/8 1/2
42-N 12 1/4 2 9/16 1 8 7/8 3 11/16 3 1/8 1/2 2.5625 2.5625 1 3/4 3 11/16 1 13/16 1 1/16 1 1/16 1 1/2 3/8 1/4 2 5/8
Alarm Circuit Rating
Voltage Amps
120 VAC 1
240 VAC 1/2
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
Other Recommended Products: