
805000035 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $112.66 | Condition is New, Rinnai 805000035 Ntc Sns T1 T3 Temp Sns, FREE SHIPPING | 99.7% |
![]() | $120.94 | Top Pick! Condition is New, RINNAI 805000035 Temperature Sensor T1/T3 Replacement 805000035 for Rinnai, FREE SHIPPING | ![]() |
![]() | $140.75 | Condition is New, RINNAI NTC SENSOR T1/T3 (TEMPERATURE SE, FREE SHIPPING | 98.7% |

The Rinnai 805000035 NTC Sensor T1/T3 is a high-performance temperature sensor designed for use with Rinnai's condensing tankless water heaters. This sensor plays a crucial role in ensuring optimal temperature control and energy efficiency for your water heating system.
This sensor is specifically designed to measure both the temperature of the water entering the heater (T1) and the temperature of the water leaving the heater (T3). By continuously monitoring these temperatures, the sensor provides real-time feedback to the water heater's control system, allowing it to make adjustments as needed to maintain the desired temperature setting.
The Rinnai 805000035 NTC Sensor T1/T3 is constructed using high-quality NTC (Negative Temperature Coefficient) semiconductor material. NTC sensors are known for their high accuracy and stability, making them ideal for temperature measurement applications. The sensor's resistance value changes in response to temperature changes, which allows it to accurately measure temperature in real-time.
This sensor is also designed to be easy to install. It comes with a 3-wire connection, making it compatible with most Rinnai condensing tankless water heaters. The sensor is also equipped with a thermal protector, which helps to prevent damage to the sensor and the water heater in case of overheating.
The Rinnai 805000035 NTC Sensor T1/T3 is a reliable and accurate temperature sensor that is essential for ensuring the optimal performance of your Rinnai condensing tankless water heater. Its high-quality construction, easy installation, and continuous temperature monitoring capabilities make it an excellent choice for homeowners and businesses seeking a high-performance water heating solution.
The Rinnai 805000035 NTC Sensor T1/T3 Temperature Sensor is a crucial component for ensuring optimal performance and energy efficiency in Rinnai tankless water heaters. This sensor measures the temperature of the water as it enters and exits the heater, allowing the unit to adjust its output accordingly. In this analysis, we will examine the pros and cons of investing in this temperature sensor.
Pros:1. Improved Energy Efficiency: By accurately measuring the temperature of the water at the heater's entrance and exit, the Rinnai temperature sensor ensures that the heater operates at its most energy-efficient settings. This results in significant energy savings over time.
2. Enhanced Safety: Precise temperature control is essential for preventing scalding or freezing water temperatures. The Rinnai temperature sensor allows the heater to maintain a consistent temperature, ensuring the safety of the users.
3. Longer Heater Lifespan: By ensuring that the heater operates at its most efficient settings, the temperature sensor can help prolong the lifespan of the unit.
4. Greater Comfort: Consistent temperature control provided by the temperature sensor ensures that the water heater delivers water at the desired temperature, resulting in greater comfort for the users.
Cons:1. Cost: The Rinnai temperature sensor is an additional investment that comes with a cost. While the long-term energy savings and safety benefits may outweigh the initial investment, it is an added expense for those who already own a Rinnai tankless water heater.
2. Complexity: Installing and configuring the temperature sensor may require the assistance of a professional, adding to the overall cost and complexity of the project.
3. Potential Compatibility Issues: The Rinnai temperature sensor may not be compatible with all Rinnai water heater models, so it is essential to verify compatibility before making a purchase.
In conclusion, the Rinnai 805000035 NTC Sensor T1/T3 Temperature Sensor offers several advantages, including improved energy efficiency, enhanced safety, longer heater lifespan, and greater comfort. However, it also comes with a cost and potential complexity. Overall, if your Rinnai water heater model is compatible and you're looking for optimal performance and energy savings, the temperature sensor is a worthwhile investment. If you're on a tight budget, you may want to consider other options or wait until you can afford the additional expense.
Details:
Safety assurance - genuine parts give you peace of mind that your equipment remains safe to use. Higher quality and reliability - oem parts are built to the same quality standards as original components, reducing risk of premature failure. Guaranteed compatibility - oem parts fit and function exactly like the original components, ensuring a perfect match. 805000035: $89.54: 805000035 ntc sensor t1/t3 temperature se.
This is a genuine oem parts from.
specifications centrafurn:
- brand: Rinnai
- mpn: 805000035
- type: Food Service Supply
- country of origin: Japan
payments centrafurn:
- wallet: apple-pay
- credit card: visa
- other
seller centrafurn:
- city: addison, illinois
- # reviews: 63629
- rating: 99.8%
shipping centrafurn:
- type: fixed
- class: standard, expedited
- service: standard, ups 2nd day air
- carrier: ups
- transit: 3-5 days
returns centrafurn:
- policy: returns accepted
- method: money back
- time: 30 days
- paid by: buyer
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
offer centrafurn:
- prices: $112.66–$140.75
- item condition: New
- sold #: 9
- in stock #: 3
- options: ship-to-home
- started: may 2, 2026
- availability: in stock
Also Available:
- 805000058: WATER PRESSURE SENSOR, Rinnai
- 308F-419: FAN MOTOR, Rinnai
- 1004F-2075: , Rinnai
- 1004F-530X01: ADAPTOR, Rinnai
- 104000019-K: FAN, Rinnai



