Water Heater Pilot Light: 5 Surprising Insights You Didn’t Expect
Cheap pilot assemblies fail—but Atwood 91603 delivers.
When it comes to reliable water heater pilot assemblies, choosing the right one is essential for optimal performance. The **Atwood 91603** stands out for its durability, while the **SP20075** excels in efficiency and ease of installation.
For those needing a robust solution, the SP20075 features an upgraded design that ensures consistent ignition, making it ideal for RVs and campers.
Below, we analyze budget, lifespan, and real-user feedback.


Atwood Water Heater Pilot Assembly 91603
The Water Heater Pilot Assembly for Atwood 91603 is designed to efficiently ignite the gas in your RV water heater, ideal for RV enthusiasts and campers who rely on hot water during their travels. This pilot assembly is compatible with various Atwood models, ensuring a seamless fit for your specific water heater. With a thermocouple and gas tube measuring 12 inches in length, it provides reliable performance and is built from durable materials to withstand the rigors of outdoor use.
This product addresses the common issue of malfunctioning pilot lights in RV water heaters, which can leave you without hot water when you need it most. By replacing your old pilot assembly with the Atwood 91603, you can restore functionality and enjoy hot showers and clean dishes on the road, enhancing your overall camping experience.
Pros
- Easy installation process; can be completed in minutes.
- Direct replacement ensures compatibility with multiple Atwood models.
- Durable construction provides reliable performance over time.
- Includes installation instructions for hassle-free setup.
Cons
- Requires careful handling during installation to avoid damaging the pipes.
- Limited to Atwood models, which may not suit all RV owners.
The Water Heater Pilot Assembly stands out for its straightforward installation and dependable performance. Users appreciate the clear instructions included, making it accessible even for those with minimal technical skills. This pilot assembly is best suited for RV owners who frequently use their water heaters and need a reliable, quick replacement solution.
In summary, the Water Heater Pilot Assembly for Atwood 91603 is an excellent choice for RV enthusiasts looking to maintain their hot water supply. Its ease of use, compatibility with numerous models, and durable design make it a valuable addition to any RV maintenance toolkit.
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SP20075 Pilot and Igniter Assembly
The Upgraded SP20075 Pilot and Igniter Assembly is designed to ensure your water heater operates efficiently and reliably. This product is ideal for homeowners using Rheem, PROTECH, GE, and Richmond water heaters, particularly those experiencing issues with their pilot light. With its durable construction and compatibility with various models, this assembly addresses common problems like delayed ignition and thermocouple failures.
Measuring at a standard size suitable for most water heaters, the SP20075 assembly is made from high-quality materials, including silicone gaskets that withstand high temperatures. This ensures effective leakage prevention, enhancing the overall safety and performance of your water heating system.
The SP20075 assembly solves several critical issues:
- Eliminates long wait times for the pilot light to ignite.
- Addresses thermocouple heating problems due to damage.
- Prevents leaks at the water inlet.
Performance-wise, the SP20075 stands out for its ease of installation. Users can complete the replacement in just 15-30 minutes, making it accessible even for those with limited DIY experience. The package includes all necessary components: the pilot assembly, a burner access door gasket, screws, and clips, ensuring a hassle-free installation process.
Here are some pros and cons of the SP20075:
Pros
- High-quality materials ensure durability and reliability.
- Easy installation process saves time and effort.
- Compatible with a wide range of water heater models.
- Effectively prevents leaks, enhancing safety.
Cons
- May not be suitable for non-compatible water heater brands.
- Installation requires careful handling of the gas pilot tube.
Overall, the SP20075 Pilot and Igniter Assembly is an excellent choice for homeowners seeking to improve their water heater’s performance. Its combination of durability, ease of use, and compatibility makes it a valuable addition to any maintenance toolkit. This product is best suited for those experiencing pilot light issues and looking for a reliable solution to enhance their water heater’s functionality.
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Desa Water Heater Pilot Assembly 24″
The Water Heater Pilot Assembly is designed to provide an efficient and reliable solution for gas water heater systems. Ideal for homeowners and professionals seeking dependable replacement parts, this assembly fits a variety of models including Desa, NR, Sears, Remington, Reddy, and All-Pro. Its 24-inch pilot thermocouple ensures precise temperature control, enhancing the overall performance of your water heater.
This pilot assembly is particularly beneficial for those experiencing issues with their water heater igniters or thermocouples. By replacing outdated or malfunctioning components, users can restore their water heater’s functionality, ensuring a steady supply of hot water. The assembly is crafted from premium brass and zinc alloy, ensuring durability and reliability in operation.
Pros
- Reliable solution for various gas water heater models.
- Durable construction with brass and zinc alloy materials.
- 24-inch thermocouple length for precise temperature control.
- Easy installation, suitable for DIY enthusiasts.
- Comprehensive package includes all necessary components.
Cons
- Compatibility check required for specific models.
- Limited to gas water heaters only, not suitable for electric models.
The performance of the Water Heater Pilot Assembly stands out due to its robust igniter, which supports reliable ignition and consistent hot water supply. Users appreciate the ease of installation, making it accessible for those who prefer to handle repairs themselves. However, it is essential to verify compatibility with your existing water heater model to avoid any installation issues.
This product is best suited for homeowners looking to replace worn-out pilot assemblies in their gas water heaters. While it excels in functionality and durability, potential buyers should note its limitations regarding compatibility and its exclusive use for gas systems. Overall, the Water Heater Pilot Assembly offers excellent value for those in need of a reliable and efficient replacement part.
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Water Heater Pilot Assembly with Thermocouple
The Water Heater Pilot Assembly is designed to provide a reliable ignition source for gas water heaters, making it ideal for homeowners and service professionals dealing with LP propane systems. This assembly includes a pilot thermocouple and tubing, with a total length of 24 inches, ensuring compatibility with a wide range of water heaters on the market, though not all. Its durable construction guarantees a long-lasting performance, making it a valuable addition to any maintenance toolkit.
One of the primary benefits of the Water Heater Pilot Assembly is its ability to solve common ignition problems in gas water heaters, enhancing the user experience by ensuring consistent hot water supply. The included thermocouple helps maintain the pilot light, preventing unexpected outages that can disrupt daily routines.
Pros
- Reliable ignition source for consistent hot water.
- Durable materials ensure long-lasting performance.
- Standard length of 24 inches fits many models.
- Easy installation for qualified service personnel.
Cons
- Not compatible with all water heater models.
- Requires professional installation for safety.
- Limited length may not suit larger installations.
In terms of performance, the Water Heater Pilot Assembly stands out due to its robust design and effective functionality. It is particularly suited for homeowners who prefer to maintain their gas water heaters or for professionals who need a reliable replacement part. While the 24-inch length is standard, users with larger systems may need to consider the 36-inch variant for better fitment.
This product delivers exceptional value for its price, especially when compared to cheaper alternatives that may not offer the same reliability or durability. Overall, the Water Heater Pilot Assembly is a practical choice for anyone needing a dependable ignition solution for their gas water heater, ensuring efficient and safe operation.
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Reliance Pilot Assembly Replacement for Water Heaters
The 9003542 Pilot Assembly Replacement is designed to restore functionality to your natural gas water heater, making it ideal for homeowners utilizing brands like Reliance, A.O. Smith, Kenmore, and State GS models. This upgraded pilot assembly features a temperature setting of 190 degrees and comprises a 22″ gas pilot tube, a 22-1/2″ thermocouple, and a 21-1/2″ ignitor, ensuring stable and durable performance for your water heating needs.
This product effectively solves the common problem of malfunctioning pilot lights in gas water heaters, which can lead to inconsistent hot water supply. With the 9003542 Pilot Assembly, users can expect their water heaters to operate normally again, enhancing their overall experience with reliable hot water access.
Pros
- High-quality materials ensure durability and longevity.
- Compatible with multiple water heater brands, providing versatility.
- Simple installation process with basic tools required.
- Restores hot water functionality, solving common heating issues.
- Comes with a 12-month warranty for peace of mind.
Cons
- Installation requires cutting off gas supply, which may not be suitable for all users.
- Some users may find the price slightly higher than generic alternatives.
The 9003542 Pilot Assembly Replacement excels in performance with its robust construction and compatibility across various models. Its standout features include the high-temperature setting and the comprehensive components that make it a complete replacement solution. Users have reported improved heating efficiency and reliability after installation, making it a practical choice for homeowners facing pilot light issues.
This product is best suited for DIY enthusiasts and homeowners who prefer to maintain their appliances without the need for professional help. While the installation process is straightforward, users should be cautious about handling gas connections. Overall, the 9003542 Pilot Assembly Replacement represents a valuable investment for those looking to ensure their water heater operates smoothly.
To buy this product, click here.
Faq about water heater pilot light:
1: What is a water heater pilot light?
A water heater pilot light is a small flame that ignites the gas in a gas water heater, allowing it to heat water.
2: How do I know if my pilot light is out?
If the pilot light is out, you will notice that the water heater is not producing hot water, and the burner will not ignite.
3: How do I relight the pilot light?
To relight the pilot light, turn off the gas, wait a few minutes, then follow the manufacturer’s instructions to relight it safely.
4: Why does the pilot light go out?
The pilot light may go out due to drafts, a faulty thermocouple, or gas supply issues.
5: Is it safe to relight the pilot light myself?
Yes, it is generally safe to relight the pilot light yourself, but follow all safety precautions and the manufacturer’s guidelines.
6: How often should I check the pilot light?
Check the pilot light regularly, especially during seasonal changes, to ensure it is functioning properly.
Conclusion
The Atwood Water Heater Pilot Assembly 91603SP20075 exemplifies reliability and efficiency, making it an indispensable component for seamless water heating. Its robust design ensures optimal performance, catering to both durability and ease of installation.
Conversely, the precision-engineered Suburban Water Heater Pilot Assembly stands out for its innovative igniter technology, enhancing safety and functionality. Together, these products epitomize the essential qualities sought in water heater components, ensuring a consistent and dependable hot water supply.





