Xylem SI-27W-C User Manual
McDonnell & Miller No. 27W
Float and Valve Mechanism
The McDonnell & Miller No. 27W Valve Mechanism is
a float operated valve that automatically adds water or
other liquids whenever necessary to maintain a prescribed level, its versatility and large feeding capacity fit
it for a wide range of applications. Its simplicity of design
and quality of construction provides dependability.
INSTRUCTION MANUAL
SI-27W
REVISION C
McDONNELL & MILLER No. 27W
McDONNELL & MILLER
NO. 27W
McDonnell & Miller No. 27W –– Flange Mounted Outside Receiver Tank
McDONNELL & MILLER
NO. 27W
MAINTENANCE:
McDonnell & Miller No. 27W –– Mounted Inside Receiver Tank
Blow down tank weekly during heating season.
•
Blow down may have to be more frequent
depending on local water conditions and the
amount of make-up water
•
Replace control every 5 years.
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