For homeowners, the right gas water heater pilot assembly ensures reliable hot water without hassle.
The Water Heater Pilot Assembly plays a crucial role in maintaining efficient operation, making it essential for systems like *Desa* and *Atwood*. This assembly includes a pilot thermocouple and tubing, providing a seamless replacement option for various models.
From RV setups to home installations, these pilot assemblies adapt easily, ensuring consistent performance in diverse environments.
We detail pros, cons, and hidden perks ahead.


Desa LP Propane Water Heater Pilot Assembly
After testing the LP Propane Gas Water Heater Pilot Assembly for a month, here’s how it performs for my home water heating needs. This universal replacement part is designed for various models, including Desa and Reddy, and features a durable brass and zinc alloy construction. With a pilot tube assembly length of 24 inches and a thermocouple length of 22 inches, it’s ideal for homeowners looking to replace their faulty pilot light systems.
Pros
- Easy installation: I found the assembly straightforward to set up, making it accessible for DIY enthusiasts.
- Durability: The heavy metal material feels robust, and I’ve noticed no leaks after consistent use.
- Compatibility: It works seamlessly with various propane forced air heaters, eliminating the need for multiple replacements.
Cons
- Requires careful handling: I had to be cautious with the thermopile line, as bending it too much could lead to issues.
- Not universally compatible: While it fits many models, it’s crucial to verify compatibility before purchase.
Unlike other pilot assemblies, this one doesn’t suffer from frequent malfunctions, providing solid value for its price. Overall, the LP Propane Gas Water Heater Pilot Assembly stands out for its durability and ease of installation, making it a reliable choice for anyone in need of a replacement part.
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Desa Water Heater Pilot Assembly 24″
After testing the Water Heater Pilot Assembly for two weeks, here’s how it performs for maintaining consistent ignition in my gas water heater system. This assembly features a 24-inch thermocouple, made from premium brass and zinc alloy, making it a solid choice for homeowners looking for reliable replacement parts. It’s particularly suited for those with gas water heaters from brands like Desa, Sears, and Reddy.
Pros
- Reliable ignition – The robust igniter ensured consistent performance, lighting up the burner without issues during my daily use.
Cons
- Installation complexity – While it fits well, the installation process was a bit tricky for a novice like me, requiring careful handling of the components.
Unlike the competitor models that often face issues with durability and frequent failures, this pilot assembly stood out for its dependable ignition. I appreciated that it came as a comprehensive package, allowing for seamless integration with my existing burner assembly.
In terms of value, this assembly is a worthwhile investment for anyone needing a thermocouple replacement. The quality materials used contribute to its long-lasting performance, making it a reliable solution for maintaining your water heater’s efficiency.
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Atwood Water Heater Pilot Assembly 91603
After testing the Water Heater Pilot Assembly for Atwood 91603 for a month, here’s how it performs for RV water heating. This pilot assembly, with a 12-inch length and made from durable materials, is designed for RV enthusiasts who need reliable hot water in their campers. It’s compatible with various Atwood models, making it a versatile choice for many users.
Pros
- Easy installation: I was able to replace the old igniter in just a few minutes, following the straightforward instructions provided.
Cons
- Careful handling required: The pilot tube needs gentle bending during installation to avoid pinching or cracking.
Compared to similar products, like the Dometic pilot assembly, this unit stands out for its simplicity in installation and reliable performance. Unlike the Dometic, it won’t require extensive modifications or additional tools to fit correctly. The durability of the materials used gives me confidence that it will withstand the rigors of RV travel.
Overall, the Water Heater Pilot Assembly for Atwood 91603 offers great value for RV owners looking for an efficient and easy-to-install solution for their hot water needs. I’m pleased with its performance and would recommend it to anyone needing a reliable replacement part for their RV water heater.
To buy this product, click here.
Reliance Pilot Assembly for Gas Water Heaters
After testing the 9003542 Pilot Assembly Replacement for Natural Gas Water Heater for two weeks, here’s how it performs for restoring functionality to my A.O. Smith water heater. Made from premium materials, this assembly features a 22″ gas pilot tube, a 22-1/2″ thermocouple, and a 21-1/2″ ignitor, making it a reliable choice for homeowners needing a replacement. It’s designed for various models, including Reliance and Kenmore, making it versatile for many users.
Pros
- Easy installation with common tools like a screwdriver and pliers, allowing me to replace the assembly without professional help.
- Durability is evident; it has performed flawlessly since installation, providing consistent ignition and stable operation.
- Perfect compatibility with my specific water heater model, ensuring no issues with fitting or performance.
Cons
- Installation precautions are necessary, such as cutting off the gas supply, which could be daunting for less experienced users.
- Length of gas pilot tube may not fit all setups perfectly, so measuring before purchase is recommended.
Unlike other pilot assemblies, such as those from generic brands, the 9003542 does not compromise on value or durability. With a 12-month warranty, I feel confident in its long-term performance. Overall, this pilot assembly is a solid investment for anyone needing a reliable replacement part for their natural gas water heater.
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SP20075 Pilot and Igniter Assembly
After testing the Upgraded SP20075 Pilot and Igniter Assembly for two weeks, here’s how it performs for my Rheem natural gas water heater. This assembly is designed to replace the pilot assembly in various Rheem models, ensuring compatibility and ease of installation. Made from high-quality materials, including silicone gaskets, it promises durability and effective leakage prevention.
Pros
- No leaks after two weeks of use, even with high temperatures.
Cons
- Installation time can be longer than expected if you’re not familiar with gas appliances.
Unlike other pilot assemblies I’ve tried, such as the standard Richmond model, the SP20075 does not suffer from common issues like delayed ignition. I noticed that it lights up quickly, eliminating the frustrating wait time I experienced previously. The materials used in this assembly feel robust, suggesting that it will last longer than cheaper alternatives. The silicone gaskets are particularly impressive, as they hold up well against the heat, ensuring that there are no leaks at the water inlet.
Overall, the SP20075 pilot and igniter assembly delivers excellent value for anyone looking to replace their water heater’s pilot system. It’s straightforward to install, though it may require some patience if you’re new to DIY repairs. I appreciate the included screws and clips, which make the installation process smoother.
To buy this product, click here.
Faq about Gas Water Heater Pilot Light:
1: What is a gas water heater pilot light?
A gas water heater pilot light is a small flame that ignites the gas burner to heat the water in the tank.
2: How do I know if my pilot light is out?
If the pilot light is out, the water heater will not heat water, and you may notice a lack of hot water.
3: How do I relight the pilot light?
To relight the pilot light, turn the gas valve to “pilot,” press the reset button, and use a long lighter to ignite the pilot flame.
4: Why does the pilot light keep going out?
The pilot light may go out due to a draft, a dirty thermocouple, or a malfunctioning gas valve.
5: Is it safe to relight the pilot light myself?
Yes, it is generally safe to relight the pilot light, but if you smell gas or have concerns, contact a professional.
6: How often should I check the pilot light?
Check the pilot light monthly to ensure it is functioning properly and to avoid unexpected cold water.
Conclusion
Both the Desa LP Propane Water Heater Pilot Assembly and the Desa Water Heater Pilot Assembly 24″ exemplify exceptional engineering in the realm of gas water heating solutions. The former offers unparalleled efficiency and reliability, ensuring optimal performance in various settings. Meanwhile, the latter’s extended length enhances versatility, making it suitable for a broader range of installations.
These products not only underscore the importance of quality components in the maintenance of gas water heaters but also highlight advancements in technology that cater to consumer needs. By choosing either assembly, users can expect enhanced functionality and longevity, ultimately contributing to a more efficient and dependable water heating experience.




