Your browser is not supported. For the best experience, you should upgrade to a modern browser with improved speed and security.
Click here for our 2017 Spring Training Calendar

Honeywell - C7735A1000 Return Air Sensor for Back-Up Control

Item: C7735A1000
MFR: C7735A1000/U

Store Inventory

Sign in to see real-time inventory at the stores closest to you.
Equipment part list is available.
What’s the price?
Sign in for pricing.
Decrease quantity
Increase quantity


Return air sensor. Mount on return duct for backup control of non-zoned RedLINK™ enabled wireless systems and thermostats. Works with THM5320R1000 equipment interface module to maintain safe indoor temperatures if power is lost at wireless thermostat. Takes control of equipment by turning on blower fan and sensing indoor temperature. Controls heating at 62F and cooling at 82F. Provides homeowners with peace of mind. Installs in minutes.

Includes mounting hardware.


Weight0.45 Pound (lb.)
Width4.3 Inches (in)
Height6.1 Inches (in)
Country of OriginMEX
UPC or Barcode085267213417
Hazardous MaterialNo
EPA Cert RequiredNo
Length4.3 Inches (in)
ApplicationMount on return duct for backup control of non-zoned systems
Comments/NotesReturn Air Sensor is also available in kits for non-zoned systems
MountingMounts on return duct
Operating Temperature Range0°F to 200°F (-17.7°C to 93.3°C)
Used WithTHM5320R1000 Equipment Interface Module; TH6320R1004 or TH5320R1002 Wireless FocusPRO® Thermostat
Warranty Offered5 Year

Equipment Part List

Shop all compressors