Is this a Discharge sensor only or can it be used as Return sensor also?

According to the documentation it can be used as a return sensor (under comments below):ApplicationMount on return duct for backup control of non-zoned systemsDimensions (in.)3 7/8 in. high x 4 1/8 in. wide x 1 1/4 in. deepDimensions (mm)77 mm high x 102 mm wide x 25 mm deep. Sensor probe is 3 3/4 in. long (77 mm)Used WithTHM5320R1000 Equipment Interface Module; TH6320R1004 or TH5320R1002 Wireless FocusPRO® ThermostatCommentsReturn Air Sensor is also available in kits for non-zoned systemsItem TypeProductMountingMounts on return duct

Can I use it with a Honeywell 9000 series t-stat without having an interface? Don't need it to take control, just want to see discharge air temp.

Used With THM5320R1000 Equipment Interface Module; TH6320R1004 or TH5320R1002 Wireless FocusPROÂ® Thermostat

Is this holder-only or does it include the sensor probe?

The probe is included and stick inside the air duct and two wires connect to the zone board ( non polarized), need to use aluminum tape to make sure it is sealed! It is a safety device! The contractor told me it is not important, but they are wrong!

How to double confirm if sensor is fault. ac trips every minute ed blinking and starts on when it is stable green led. so i suspect sensor the pronlem

My heater wouldn’t come on at all and my DATS sensor was reading 189 degrees on the screen, so I knew it was bad.

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Honeywell C7735A1000 discharge air temperature sensor

Honeywell C7735A1000 discharge air temperature sensor

Product ID: 21414958

Details

Brand
Honeywell
Item Weight
5 g
Item dimensions L x W x H
6.1 x 4.3 x
Material
Silicon Metals
Style
Modern

🔧Easy flange mount installation

⚙️Precision analog output

🌡️Measures up to 257°F

B/.115

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Description

🌡️ Upgrade your HVAC IQ with Honeywell’s precision sensor — because your comfort deserves the best!

SEAMLESS INTEGRATION - Designed to replace ZM sensors effortlessly, ensuring zero downtime in your system upgrades.
COMPACT LIGHTWEIGHT - At just 5 grams and 6.1x4.3x4.1 inches, it fits discreetly without bulk or hassle.
DURABLE BUILD QUALITY - Crafted from silicon, metals, and plastics to withstand industrial environments with reliability.
TRUSTED BRAND EXCELLENCE - Honeywell’s 4.7-star rated sensor, ranked #6 in thermostat controllers, guarantees professional-grade quality.
ACCURATE TEMPERATURE CONTROL - Stay ahead with precise discharge air readings up to 257°F for optimal HVAC performance.

The Honeywell 55037 Sensor (model C7735A1000) is a high-precision discharge air temperature sensor designed for EMM and TZ zone HVAC systems. Featuring an analog output and flange mount design, it measures temperatures up to 257°F with durable silicon and metal construction. Trusted by professionals, it replaces ZM sensors seamlessly and is highly rated for reliability and performance.

Specifications

ASIN	B00095OL1A
Best Sellers Rank	#60,256 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Thermostat Controllers
Brand Name	Honeywell
Customer Reviews	4.7 4.7 out of 5 stars (261)
Included Components	C7735A1000
Item Dimensions	6.1 x 4.3 x 4.1 inches
Item Type Name	C7735A1000
Item Weight	5 g
Manufacturer	Honeywell
Material Type	Silicon, Metals, Plastics
Model	C7735A1000
Mounting Type	Flange Mount
Number of Items	1
Output Type	Analog
Part Number	FBA_C7735A1000
Specific Uses For Product	Temperature Sensor
Style Name	Modern
UPC	696498758945 085267213417 701748416633 085267040457
Unit Count	1 Count
Upper Temperature Rating	257 °F

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