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20 K ohm NTC linear Temp Wall Module


20K ohm NTC Temp Wall Module, VAV1 Only, use with W7751, setpt, override LED

  • Product Info
  • Literature


T7750 Wall Modules provide the following additional combination of options to the customer: analog setpoint input and for models used with Excel 10 Controllers, override (bypass) digital input contact, LED status indicator and network access jack.


  • Integral linearized 20K ohm NTC thermistor.
  • Vertical Mounting.
  • Models available with setpoint adjustment.
  • Models available with occupied/unoccupied override.
  • For use only as replacement of existing T7750's.
  • Not for new installations.
  • All new Honeywell controllers now use TR20 Series Wall Modules.

Product Specifications

Wall Modules
Dimensions (in.)
5 1/32 in. high x 3 5/32 in. wide x 1 19/32 in. deep
Dimensions (mm)
128 mm high x 80 mm wide x 41 mm deep
Used With
W7751 or XL600, 500, 100, 80, 20
Has optional setpoint
Item Type
Wall mount
20 K ohm NTC linear
Setpoint Temperature Range (C)
12 C to 30 C
Setpoint Temperature Range (F)
55 F to 85 F
Operating Temperature Range (F)
45 F to 99 F
Operating Temperature Range (C)
7 C to 37 C