
SP21019 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $57.17 | Condition is New, Rheem-Ruud SP21019 , FREE SHIPPING | 98.7% |
![]() | $58.90 | Condition is New, Rheem SP21019 Chamber Sensor Replacement Kit- ULN, FREE SHIPPING | ![]() |
![]() | $55.00 | Condition is New, Rheem Protech Chamber Sensor Replacement Kit ULN Self Powered (Part # SP21019), shipping cost = $10.15 | 100.0% |
![]() | $65.00 | Condition is New, Rheem SP21019 Chamber Sensor - Replacement Kit, ULN Self-Powered, FREE SHIPPING | 0.0% |
![]() | $81.34 | Condition is New, Rheem Protech Chamber Sensor Replacement Kit- Uln Ultra Nox - Sp21019, FREE SHIPPING | 100.0% |
![]() | $89.47 | Top Pick! Condition is New, RHEEM SP21019 Appliance Chamber Sensor Replacement Kit Uln Self-Powered 16, 1..., FREE SHIPPING | ![]() |
![]() | $81.00 | Condition is New, RHEEM SP21019 / SP21019 (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $93.13 | Top Pick! Condition is New, Rheem SP21019 Chamber Sensor Kit, FREE SHIPPING | ![]() |
![]() | $209.99 | Condition is New, Rheem Protech SP20867c Gas Control (Thermostat) with SP21019 Chamber Sensor kit, shipping cost = $25.99 | 98.1% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $85.09 | Top Pick! Condition is Open box, Rheem ProTech Chamber Sensor Replacement Kit- ULN (Ultra Low NOx) - SP21019, FREE SHIPPING | 98.9% |

The Rheem SP21019 Ruud Richmond GE Protect Chamber Sensor is an essential component for maintaining optimal performance in your Rheem or Ruud gas water heater. This sensor is specifically designed to monitor the temperature of the combustion chamber and provide crucial safety information to the system's gas valve.
The sensor housing is made of high-quality, corrosion-resistant materials, ensuring its durability and longevity. The sensor element itself is a precision-built thermocouple, which converts temperature differences into electrical signals. This design provides highly accurate temperature readings, ensuring reliable safety shut-off functions.
The GE Protect Chamber Sensor is designed for easy installation, with a simple two-wire connection to the water heater's control module. The sensor is also easily accessible for maintenance or replacement, with a securely fastened connection to the chamber wall.
The sensor's advanced safety features include a built-in self-diagnostic function, which allows the control module to detect any issues with the sensor and alert the user. This feature helps prevent potential safety hazards by ensuring the sensor is functioning correctly.
Additionally, the sensor's design allows for easy integration with other Rheem and Ruud water heater models, making it a versatile and reliable choice for a wide range of applications. With its precise temperature sensing, robust design, and advanced safety features, the Rheem SP21019 Ruud Richmond GE Protect Chamber Sensor is an essential investment for any homeowner looking to ensure the safe and efficient operation of their gas water heater.
The Rheem SP21019, also known as the Ruud Richmond Geptech Chamber Sensor, is a crucial component for maintaining optimal temperature and efficiency in your heating system. This sensor plays a vital role in the proper functioning of the furnace's safety features and overall performance. Let's discuss some pros and cons of buying this sensor.
Pros:1. Enhanced Safety: This chamber sensor is designed to ensure the safe operation of your furnace by monitoring the flame and gas levels in the combustion chamber. It helps prevent the risk of gas leaks and carbon monoxide poisoning.
2. Improved Efficiency: By continuously monitoring the furnace's performance, the sensor ensures that the system is operating at peak efficiency. This can lead to lower energy bills and a longer lifespan for your heating system.
3. Easy Installation: The sensor comes with clear instructions and straightforward installation process. Most users can install it without professional assistance.
4. Long-lasting: The chamber sensor is engineered to withstand high temperatures and harsh environments, ensuring a long service life.
5. OEM Compatibility: This sensor is an original equipment manufacturer (OEM) replacement, meaning it is specifically designed for use with Rheem and Ruud furnaces, ensuring a perfect fit and reliable operation.
Cons:1. Cost: The Rheem SP21019/Ruud Richmond Geptech Chamber Sensor is priced higher than some aftermarket alternatives. However, the enhanced safety features and improved efficiency may justify the additional investment.
2. Availability: Depending on your location and furnace model, it might be challenging to find this specific sensor at your local hardware store. You might need to order it online, which could add to the shipping time.
In conclusion, the Rheem SP21019/Ruud Richmond Geptech Chamber Sensor is an essential component for your heating system. Its safety features, improved efficiency, easy installation, long-lasting design, and OEM compatibility make it a valuable investment for homeowners with Rheem or Ruud furnaces. While the cost and availability might be a concern, the benefits of this sensor far outweigh the potential drawbacks.
Recommendation: If you own a Rheem or Ruud furnace and are experiencing issues with your heating system's performance or safety, consider investing in the Rheem SP21019/Ruud Richmond Geptech Chamber Sensor. The peace of mind and potential energy savings make it a worthwhile investment for the long term.
Details:
The box was only opened to take photos, but the parts are brand new and were never used. Brand new Rheem ruud richmond ge protech SP21019 chamber sensor. I ended up replacing my water heater instead for a brand-new tank.
specifications centrafurn:
- brand: Rheem
- mpn: Sp21019
- model: Rheem Ruud Richmond Ge Protech Sp21019
- type: Central Furnace
- heating system: Boiler
seller centrafurn:
- city: glendale, california
- rating: 100.0%
- # reviews: 197
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
payments centrafurn:
- wallet: google-pay
- other
- credit card: mastercard
shipping centrafurn:
- carrier: usps
- service: usps ground advantage
- transit: 3-9 days
- type: calculated
- class: standard
offer centrafurn:
- availability: in stock
- prices: $55.00–$209.99
- item condition:
- New
- Open box
- in stock #: 5
- sold #: 16
- options: ship-to-home
- started: august 4, 2025
returns centrafurn:
- policy: no returns
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