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Installing the 2-in-1 Sensor
For proper operation, there
must be a secure electrical bond
between the green sensor wire from the sensor and
the boiler metal vessel in direct contact with the boiler
water. Failure to secure an electrical bond will result in
the AquaSmart locking out and displaying, “LOCKOUT
- LOW WATER”.
Explosion,
Burn and Scald Hazards
Excessive water temperatures could cause explosion,
burns, scalding, pressure relief fl ooding and fi tting leaks.
The 2-in-1 Sensor shall only be installed by a trained
professional.
The sensor must be installed in the proper location
for correct low water cut-off (LWCO) operation in
accordance with the Boiler Manufacturer’s
instructions.
The 2-in-1 sensor body is installed directly into the
boiler wall tapped hole in place of an immersion well.
Carefully follow the outlined procedures for temperature
sensor installation to ensure accurate water
temperature sensing and effective control operation.
Make sure the plumbing for domestic hot water has
anti-scald valve protection.
Follow all applicable safety codes, rules and guidelines
for installing an immersion well. Improper installation
can result in the Boiler overheating.
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Do not use in steam
applications. For use in
hot water boilers or water heaters only. Do
not use outside of the intended use and
specifi cations.
Leak, Burn, and Scald
Hazards
Incompatible thread sealants could severely damage
the sensor threads.
Only use Tefl on
®
Tape or Rectorseal
®
No. 5
®
(soft-set).
DO NOT use any anaerobic fast-setting sealants
such as, but not limited to, Loctite
®
, Leak Lock
®
,
Permatex
®
, or Gasoila
®
.
Call RWB Technical Services at 1(800)645-2876 to
confi rm, if unsure.
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Part No.
A
Lead Length
B
Insulation Depth
C
Insertion Depth
76002N1S01
8-1/4” 1-1/2” 1-5/8”
76002N1S02
6-1/4” 3-1/2” 1-5/8”
76002N1S05
5” 4-3/4” 1-5/8”
76002N1S06
8-1/4” 1-1/2” 7/8”
Figure 5 - Overall Dimensions & Specifi cations
A
B
C
1-1/8” hex
Specifi cations
Storage Temperature Range
-40° to 250°F
Operating Temperature Range
-32° to 250°F
Maximum Pressure
250 PSIG
Installation Torque Range (Screw-in)
185 - 200 in/lbs.