Install Instructions

b. Install a w
ater gauge glass (J).
Note: Gauge glass and tri-cocks
not included with product.
J
J
H
a. Install a water column (H) (not
included with product) for all models
except Series 157S (with integral
water column).
Series 157S
All Other Models
6
C
A
A
C
F
G
E
D
c. Mount and pipe the lo
w water cut-off (D) on
a vertical equalizing pipe (E) at the required
elevation level, as determined in Step 1.
Install a full ported blow down valve (G)
directly below the lower cross of the water
equalizing pipe (F).
Note: 1” NPT tappings are provided, with
the exception of some 157 and 157S models
which are 14” NPT.
b. For Model 150S-B and Series 157S
(For all other models, proceed to Step 3).
Screw the w” NPT steel plug (C) (provided)
in tapping (A).
Series 157S
Models 150S-B
STEP 3 - Installing a
Water Gauge Glass
(Required on all steam boiler
s)
The plug m
ust be reinstalled before control is
shipped installed on the boiler, and removed
when boiler is installed after shipment.
Failure to follow this caution may damage float
and operating mechanism.
!
CA
UTION