McDonnell Miller Series 193
For commercial and industrial low or high pressure steam boilers.
Maintains consistent water level regardless of pressure.
Water column with integral tappings for gauge glass and tri-cock installations.
No. 5 switch.
Magnetic repulsion eliminates needs for bellows.
1" NPT connections.
Maximum pressure 150 psi.

Replacement Heads
Model Number Part Number Description Weight lbs. Price
93-HD
93-M-HD		 162400
162600		 Head Mechanism w/ No.5 Switch
93-HD w/ manual reset		 15
16		 $858.26
$946.55

Ordering Information

Model Number Part Number Description Weight lbs. Buy Now
193
193-A
193-A-7B
193-A-7BM
193-A-M
193-B
193-B-7B
193-D
193-D-7B
193-M
193-7B
193-7BM
193-D-M
193-G		 163400
163500
164500
164600
164200
163600
164700
163900
163903
164100
164400
164525
164760
163902		 Low water cut-off / pump controller/ No. 5 switch
193 w/ alternate tappings
193-A w/ No. 7B switch
193-A-7B w/ manual reset
193-A w/ manual reset
193 w/ alternate tappings
193-B w/ No. 7B switch
193 w/ alternate tappings
193-D w/ No. 7B switch
193 w/ manual reset
193 w/ No. 7B switch
193-7B w/ manual reset
193 w/ alternate tappings
193-D w/ manual reset		 52.5
52.5
52.5
52.5
52.5
52.5
52.5
52.5
52.5
52.5
52.5
52.5
52.5
52.5		 $Call
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Replacement Parts (View parts breakdown here)
Model Number Part Number Description Weight lbs. Price
SA91-60 345700 Float 0.7 $169.70
150-14 325400 Gasket (6 pack) 0.1 $19.95
5 110300 Electric switch 3.5 $514.96
5-M 110400 No. 5 switch w/ manual reset 3.5 $514.96
7B 110800 Electric switch/proportioning control 4.0 $895.21
7B-M 110900 No. 7b w/ manual reset 4.0 $895.21

Electrical Ratings
345 VA at 120 or 240 VAC
 

Dimensions
Model A B C D E F G H J K
193 1 1/2 1/2 1/2 --- --- 1/2 1/2 1/2 3/4
193-A 1 1/2 1/2 1/2 1/2 1/2 --- --- 1/2 3/4
193-B 1 1/4 3/4 3/4 3/4 --- --- 3/4 3/4 1/2 3/4
193-D 1 1/2 1 1/2 1 1/2 --- --- 1/2 3/4
193-G 1 1/2 --- 1/2 1 1/2 --- --- 1/2 3/4
Model L M N P Q R
193 12 3/4 --- 10 13/16 13 --- 2 7/8
193-A --- 11 1/2 10 13/16 13 2 1/4 ---
193-B 12 3/4 --- 10 13/16 13 --- 2 7/8
193-D --- 11 1/2 10 13/16 13 2 1/4 ---
193-G --- 11 1/2 10 13/16 13 2 1/4 ---
Model S T U V W X
193 6 3/4 17 1/2 20 1/2 3 1/2 3 1/2 6
193-A 6 3/4 17 1/2 20 1/2 3 1/2 3 1/2 6
193-B 6 3/4 17 1/2 20 1/2 3 1/2 3 1/2 6
193-D 6 3/4 17 1/2 20 1/2 3 1/2 3 1/2 6
193-G 6 3/4 17 1/2 20 1/2 3 1/2 3 1/2 6

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