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McDonnell Miller
No. 5 Switch |
 Switches
For
series 93, 193, 94,
and 194 combination
low water
cut-off/pump
controllers for
steam boilers.
2 Single pole,
double break
switches provided
for operation at 2
different levels.
Provides flexibility
for selection of
functions such as
alarm actuation,
valve actuation
control, or low
water cut-off
control.
Optional feature -
manual reset b
Installation Guide |
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McDonnell
Miller No. 7-B Switch |
 Switches
For series 93,193, 94,
and 194 combination
low water cut-off/pump
controllers for steam
boilers.
1 Single pole, double
break switch provided
for low water cut-off
or alarm actuation.
Proportioning valve to
maintain a constant
water line.Provides
flexibility for
selection of functions
such as alarm
actuation, valve
actuation control, or
low water cut-off
control.
Optional feature -
manual reset
Installation Guide |
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Switches
Switches
