Xylem MM 273E Model 750-HW-MT-120 Probe Type High Water Manual Reset Control Unit - Manual (Page 4)

4
1/4" MIN. (6.4 mm) 1/4" MIN. (6.4 mm)
B
B
M
c. Insert the remote sensor (B) into the boiler
tapping (M) as determined in Step 1.
N B
P
d. Using a wrench (N), tighten the brass hex
adapter (P) on the remote sensor (B) to
approximately 63 ft•lb (85 N•m). DO NOT
TIGHTEN BY TURNING THE SENSOR
HOUSING.
L
OR
L
b. Apply a small amount of pipe dope to the first
threads (L) of the remote sensor.
For All Remote Sensors
IMPORTANT: Do not use PTFE tape or thread
sealant.
B
A
a. Cut the probe (purchased separately) to desired length.
Screw, clockwise, the threaded stainless steel probe
extension (A) into the remote sensor (B). Carefully tighten
the locking nut to approximately 1 ft•lb (1.7 N•m). Do not
cut the clear plastic protective tube.
STEP 2 - Installing the Remote Sensor
For the Model RS-1-BR-1 sensors, only: