Description
The Reznor 210860 is a precision immersion temperature sensor engineered for reliable fluid and hydronic system temperature monitoring in commercial and industrial HVAC applications. Featuring a 10,000 Ohm NTC Thermistor (Type III) sensing element, this sensor delivers accurate, responsive temperature readings across a wide operating range — making it an ideal replacement or upgrade component for Reznor heating systems and compatible controls.
Key Features
- 10,000 Ohm NTC Thermistor (Type III) sensing element for accurate, stable temperature measurement
- 4″ immersion probe length for proper fluid contact in pipes and vessels
- 1/4″ NPT threaded adapter for straightforward installation into standard pipe fittings
- Polycarbonate (polycarb) plastic enclosure for durable, lightweight housing with good impact resistance
- Designed as a genuine Reznor OEM replacement part (SKU: 210860)
Sensor Technology
The Type III NTC (Negative Temperature Coefficient) thermistor provides a predictable resistance-temperature relationship, decreasing in resistance as temperature rises. The 10,000 Ohm (10K) base resistance at 77°F (25°C) is a widely compatible standard used across many HVAC control platforms, ensuring broad interoperability with building automation and equipment controllers.
Construction & Installation
- Probe Length: 4 inches
- Fitting: 1/4″ NPT threaded adapter
- Enclosure Material: Polycarbonate plastic
- Thermistor Type: NTC Type III, 10,000 Ohm
Applications
- Reznor commercial unit heaters and heating systems
- Hydronic heating pipe immersion temperature sensing
- Fluid temperature monitoring in HVAC control loops
- OEM replacement for compatible Reznor equipment
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