RINNAI 805000047 Sensor Boilers

( Brand: Rinnai ), ( Manufacturer Part Number: 805000047 ), ( Part Type: Sensor Boiler )

Review RINNAI Outdoor Reset Sensor Boilers

The **Rinnai 805000047 Sensor** is a high-performance, precision-engineered flame sensor designed exclusively for Rinnai gas-fired boilers, ensuring reliable and efficient combustion monitoring within residential and commercial heating systems. This critical component plays a pivotal role in maintaining optimal boiler operation by continuously detecting the presence of a stable flame, which is essential for safety, energy efficiency, and system longevity. Crafted from durable, corrosion-resistant materials, the sensor is built to withstand the demanding conditions of high-temperature environments, providing long-lasting performance even in harsh operating climates. Its sleek, compact design allows for seamless integration into Rinnai boiler models, ensuring a snug fit without compromising functionality or ease of installation.

At the heart of the sensor s functionality lies its advanced flame detection technology, which employs a robust thermocouple mechanism to generate a small electrical signal whenever a flame is present. This signal is then relayed to the boiler s control system, enabling real-time monitoring and immediate response to any fluctuations in combustion. The sensor s precision engineering minimizes false readings, reducing the risk of unnecessary shutdowns or inefficient operation, which helps maintain consistent heating performance while extending the lifespan of the boiler. Additionally, its robust construction ensures resistance to fouling from soot, dust, or other contaminants, a common issue in combustion systems that can degrade performance over time.

For homeowners and HVAC professionals alike, the **Rinnai 805000047 Sensor** represents a vital upgrade or replacement part that enhances both safety and efficiency. Its compatibility with a wide range of Rinnai boiler models including high-efficiency condensing and conventional systems makes it a versatile solution for maintaining peak performance across various applications. Whether installed in a modern, energy-efficient home or a commercial facility requiring reliable heating, this sensor ensures that the boiler operates at its optimal capacity, delivering consistent warmth while adhering to strict safety standards. By investing in this high-quality component, users can avoid costly downtime, reduce energy waste, and enjoy the peace of mind that comes with knowing their heating system is protected by cutting-edge technology.

### Pros and Cons of buying a Rinnai 805000047 Sensor for Boilers

1. **Compatibility** The Rinnai 805000047 sensor is designed specifically for Rinnai boilers, ensuring a proper fit and seamless integration with the system. This reduces the risk of compatibility issues that may arise with generic or aftermarket parts.

2. **Reliability** Rinnai is a well-known brand in the heating and water heating industry, known for producing durable and high-quality components. The sensor is likely to be built to last, reducing the likelihood of frequent replacements.

3. **Performance Optimization** This sensor is part of Rinnai s advanced control systems, which are designed to improve boiler efficiency, accuracy in temperature regulation, and overall performance. A properly functioning sensor ensures that the boiler operates optimally, saving energy and reducing wear and tear.

4. **Ease of Installation** Since it is an OEM (Original Equipment Manufacturer) part, it should be straightforward to install, especially if you have some basic mechanical or electrical experience. The sensor is likely to come with clear instructions or be compatible with standard installation procedures.

5. **Warranty Coverage** Purchasing directly from Rinnai or an authorized dealer may come with a warranty, providing peace of mind in case of defects or malfunctions. This can be particularly valuable if the sensor fails shortly after installation.

6. **Prevents System Failures** A faulty sensor can cause the boiler to malfunction, leading to poor heating, water heating issues, or even complete system shutdowns. Replacing it with a genuine Rinnai part helps maintain the boiler s functionality and prevents costly repairs down the line.

7. **Long-Term Cost Savings** While the upfront cost may be higher than generic alternatives, investing in a quality sensor can save money in the long run by avoiding repeated replacements or damage to other boiler components due to poor performance.

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1. **Higher Cost** Compared to generic or aftermarket sensors, the Rinnai 805000047 sensor is likely to be more expensive. This may be a significant consideration if you are on a tight budget or if the sensor is not the primary issue with your boiler.

2. **Limited Availability** Depending on your location, finding an authorized seller for this specific part may require ordering online or contacting Rinnai directly. This could involve waiting times or shipping delays, which may not be ideal if you need the part urgently.

3. **Potential Overkill** If the sensor failure is isolated and not part of a broader boiler issue, replacing just the sensor may not address underlying problems (e.g., clogged pipes, pump failure, or electrical issues). In such cases, you might end up spending more than necessary.

4. **DIY Installation Risks** While the installation may seem straightforward, improper handling of the sensor or electrical connections could lead to further damage or void the warranty. If you are not confident in your technical skills, hiring a professional may be necessary, adding to the cost.

5. **Warranty Void Risk** If the sensor is not installed correctly or if the boiler is not serviced regularly, some warranties may be voided. This could leave you without coverage if the sensor fails again shortly after installation.

6. **Alternative Solutions** In some cases, recalibrating or cleaning the existing sensor (if it is dirty or malfunctioning due to environmental factors) might resolve the issue without needing a replacement. This could be a cheaper and more sustainable solution if the sensor is still functional but performing poorly.

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The Rinnai 805000047 sensor is a high-quality, reliable part that is ideal for maintaining the performance and longevity of your Rinnai boiler. Its compatibility, durability, and efficiency benefits make it a strong choice if you prioritize long-term reliability and want to avoid potential system failures. However, the higher cost and potential availability issues may be drawbacks, especially if you are dealing with a minor issue or have budget constraints.

If your boiler is experiencing sensor-related problems and you suspect the sensor is faulty, replacing it with the genuine Rinnai part is a prudent investment. However, if the issue is more complex or if you are unsure about the root cause, consulting a professional technician first could help you determine whether the sensor replacement is the best solution or if other repairs are needed.

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- You are certain the sensor is the source of the problem (e.g., boiler not heating properly, error codes related to the sensor).

- You value long-term reliability and efficiency over short-term cost savings.

- You can source it from an authorized dealer or directly from Rinnai to ensure authenticity and warranty coverage.

- You are comfortable with installation or are willing to pay for professional installation to avoid voiding the warranty.

- The issue is not clearly linked to the sensor, and a professional diagnosis could identify a cheaper fix.

- You are on a tight budget and are willing to explore generic or refurbished parts (though this may risk compatibility or reliability).

- The sensor is dirty or contaminated, and cleaning or recalibrating it could resolve the issue without replacement.

For most homeowners with a Rinnai boiler experiencing sensor-related issues, replacing the sensor with the genuine Rinnai part is the safest and most effective solution. Just ensure you purchase it from a trusted source and follow installation guidelines carefully.

Details:

Compatible with multiple Rinnai model's including E110CRN, E110CRP, and more. Compact size for easy installation. Product highlights: Enhance boiler efficiency with the Rinnai Outdoor Reset Sensor.: Standard Brand: Rinnai.

Technical Specifications: Dimensions: 3.8 inches x 3.2 OEM Part Number: 805000047. Durable design for outdoor use.: The Rinnai 805000047 Outdoor Reset Sensor is designed for use with boilers.

This sensor adjusts the boilers operation based on outdoor temperatures, ensuring efficient heating performance.

part #: 805000047 prices

• $118.30-$213.15

specifications pumhva:

• brand: Rinnai
• mpn: 805000047
• part type: Sensor Boiler

offer pumhva:

• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: May 14, 2026

returns pumhva:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted
• method: Money back

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• type: Fixed
• transit: 4-8 Days
• service: Standard
• class: Standard
• cost: $0.00

seller pumhva:

• city: Dresher, PA
• # reviews: 32434
• rating: 99.4%

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general pumhva:

• condition: New
• HVAC Refrigeration > HVAC Refrigeration Components > Condensers