![[Brand] R251S - Main view showing wired sensor for T855S](http://apcpart.com/cdn/shop/files/R251S-indoor-temperature-sensor-for-t855s-r251s-main.webp?v=1777116946&width=1946)
![[Brand] R251S - Detailed view of 24V power operations](http://apcpart.com/cdn/shop/files/R251S-indoor-temperature-sensor-for-t855s-r251s-closeup.webp?v=1777116947&width=1946)
![[Brand] R251S - Main view showing wired sensor for T855S](http://apcpart.com/cdn/shop/files/R251S-indoor-temperature-sensor-for-t855s-r251s-main.webp?v=1777116946&width=295)
![[Brand] R251S - Detailed view of 24V power operations](http://apcpart.com/cdn/shop/files/R251S-indoor-temperature-sensor-for-t855s-r251s-closeup.webp?v=1777116947&width=2500)
Indoor Temperature Sensor for T855S | R251S
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Specifications
Specifications
- Part Number
- ERR251S
- Manufacturer Part Number
- R251S
- Part Type
- Thermostats
- Compatible Brands
- Pro1 IAQ
Product Details
Product Details
Enhance the functionality of your T855S thermostat with the R251S Indoor Temperature Sensor. This wired sensor, compatible with T755S, T855S, and T955S PRO1 thermostats, measures 1.75"W x 0.25"H x 0.25"D and operates on 24V power. Easily install this sensor to ensure precise indoor temperature readings for optimal comfort.
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We know appliances inside and out and will help you find the right part with expert, honest advice.
Cross Reference Information
Cross Reference Information
Genuine Pro1 iaq part. Fits Pro1 IAQ and other models using this part number.
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![[Brand] R251S - Main view showing wired sensor for T855S](http://apcpart.com/cdn/shop/files/R251S-indoor-temperature-sensor-for-t855s-r251s-main.webp?v=1777116946&width=180)
