![](/images/backgrounds/46563/bg1.png)
PRODUCT DATA
63-2590-05
APPLICATION
The Series 2000 C7021, C7023, C7031 and C7041 Electronic
Temperature Sensors are designed for use with electronic
controllers in domestic or commercial heating and cooling
systems.
FEATURES
• C7021D, C7023D, C7031D, C7041D for immersion
mounting sense water temperature.
• C7021F, C7023F, C7031G, C7041F sense outdoor air
temperature and are weatherproof for outdoor use
(knockouts allow for 1/2 in. conduit connection).
• C7021J/R, C7023J/R, C7031J, C7041J/R sense average
duct air temperature.
• C7021B/C, C7023B/C, C7031B, C7041B/C sense duct
air temperature.
• C7021K, C7023K, C7041K with strap-on mounting
senses water temperature.
• C7021N, C7023N, C7041N probe senses water or air
temperature.
• C7021P, C7023P, C7041P senses air temperature.
• Solid state components not affected by dust or dirt.
C7021F
C7023F
C7031G
C7041F
C7021P
C7023P
C7041P
C7021R
C7023R
C7041R C7021K
C7023K
C7041K
C7021D
C7023D
C7031D
C7041D
C7021J
C7023J
C7031J
C7041J
C7021B/C
C7023B/C
C7031B
C7041B/C
C7021N
C7023N
C7041N
Contents
Application......................................................................... 1
Features............................................................................ 1
Specifications.................................................................... 2
Installation......................................................................... 8
Wiring................................................................................11
Operation and Checkout ...................................................11