Looking for the best RV hot water heater relay switch? Our top picks ensure reliable hot water for your adventures.
When it comes to RV hot water systems, having a dependable relay switch is key. The American Zettler Power Relay offers robust performance for Atwood water heaters, while the Lrichy 232362 switch is perfect for Suburban SW electric series heaters. Both products enhance efficiency and provide peace of mind during your travels.
These relay switches are versatile and easy to install, making them ideal for various RV models. Their unique selling points include high durability and compatibility with multiple water heater systems, ensuring you have hot water whenever you need it.
In this review, we will delve into the features and benefits of these top products, helping you make an informed decision for your RV needs. Get ready to enjoy uninterrupted hot water with the best relay switches available!


American Zettler Power Relay Kit for RV
The American Zettler Power Relay sets itself apart with its robust design and reliability, making it an essential component for the Atwood 93849 Water Heater Relay Kit. Constructed from high-quality 316-grade stainless steel, this relay ensures excellent corrosion resistance, ideal for the demanding environments of RV use. With dimensions of 2.5 x 2.5 x 2 inches, it fits seamlessly into most setups, ensuring a secure and efficient connection.
Key Advantages
- The use of **electromechanical components** ensures durability and long life, while the high-temperature tolerance allows it to withstand the rigors of water heating applications.
Limitations
- Not compatible with certain older model Atwood heaters, which may require specific relay types for optimal performance.
In summary, the American Zettler Power Relay is best suited for outdoor enthusiasts needing a reliable and efficient relay switch for their RV hot water heater systems. Its high-quality materials and design make it a top choice for those looking to maintain optimal performance in their recreational vehicles.
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Lrichy RV Water Heater Switch Assembly
The Lrichy 232362 RV Water Heater Switch Electric Element sets itself apart with its wide compatibility, designed to work seamlessly with various Suburban SW Series water heaters, including models SW-4, SW-6, and SW-10. Constructed from high-quality materials, it ensures durability and reliability, essential for the demanding environment of RV water heaters.
Key Advantages
- The switch assembly is made from 316-grade stainless steel, which resists corrosion, enhancing its longevity even in humid conditions.
- Measuring at a compact size, it allows for easy installation and replacement, typically taking only a few minutes.
- It operates at 110V, providing a stable power supply to the heating element, ensuring a continuous supply of hot water.
Limitations
- Not compatible with non-Suburban water heater models, which may limit its versatility for some users.
This product is best for outdoor enthusiasts needing a reliable and efficient switch for their RV water heaters. Its robust design and easy installation make it an ideal choice for those who value durability and performance in their camping equipment.
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Atwood Power Relay for Water Heaters
The Power Relay for Atwood 93849 Water Heater Relay stands out with its high-current 30A capacity, designed specifically for reliable ignition and operation of RV water heaters. This relay directly replaces Atwood part numbers 93849, AZ2280-1A-12D, and AZ22801A12D, ensuring compatibility with various Atwood models such as GCH6A-10E and GC10A-4E. Its rugged construction features silver-alloy contacts and a heat-resistant housing, allowing it to withstand extreme temperatures ranging from -40°C to +85°C.
Key Advantages
- The SPST-NO design ensures stable power delivery for DSI systems, enabling quick and safe water heater startups.
Limitations
- Not compatible with non-Atwood water heater models or other brands.
This relay offers a plug-and-play installation, matching factory wiring for seamless replacement without the need for tools or modifications. This feature is particularly beneficial for users experiencing issues like failed ignition or intermittent heating in their RV systems.
In summary, the Power Relay for Atwood 93849 is best for RV owners seeking a reliable and efficient solution to enhance their water heater’s performance, especially in demanding conditions.
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Suburban RV Water Heater Switch Set
The RV Water Heater Switch for Suburban 232306 stands out due to its robust construction and compatibility features. This switch is crafted from aluminum alloy and iron, ensuring reliability and durability for long trips or short camping vacations. Measuring approximately 5.8 x 2.5 cm (2.28 x 0.98 inches), it operates at 120V AC with a high limit temperature rating of 130°F and a low limit rating of 100°F.
Key Advantages
- The use of aluminum alloy and iron provides excellent resistance to wear and tear, making it suitable for demanding environments.
Limitations
- Not compatible with Suburban water heaters with serial numbers prior to 940900091, which may limit its usability for some users.
This switch is best suited for RV owners who require a reliable replacement part to maintain their water heating systems. Its straightforward installation process with basic tools makes it an ideal choice for those needing quick repairs while on the road. Overall, the RV Water Heater Switch for Suburban 232306 is an essential component for ensuring consistent hot water availability in your RV.
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Suburban Water Heater Wall Switch
The Suburban Single Water Heater ON/OFF Wall Switch sets itself apart with its durable construction and user-friendly design. Made from high-quality materials, this switch features a robust black finish that complements various RV interiors. Its compact dimensions of 7.7 L x 15.0 H x 7.7 W centimeters make it easy to install in tight spaces.
Key Advantages
- The use of **316-grade stainless steel** in the switch’s components ensures long-lasting durability and resistance to corrosion, essential for the humid environments often found in RVs.
Limitations
- Not compatible with all RV models; specifically designed for Suburban Models D, DE, and DEM, which may limit its use for those with different water heater brands.
In summary, the Suburban Single Water Heater ON/OFF Wall Switch is best for outdoor enthusiasts needing a reliable and efficient way to control their Suburban water heaters. Its robust construction and thoughtful design make it an excellent choice for those who prioritize performance and durability in their RV accessories.
To buy this product, click here.
Faq about best rv hot water heater relay switch:
1:What is an RV hot water heater relay switch?
An RV hot water heater relay switch controls the electrical flow to the water heater, ensuring it operates efficiently.
2:Why do I need a relay switch for my RV water heater?
A relay switch helps protect your water heater from electrical overloads, improving safety and longevity.
3:How do I know if my RV hot water heater relay switch is faulty?
Signs of a faulty relay switch include inconsistent hot water, strange noises, or the water heater not turning on.
4:Can I replace the relay switch myself?
5:What features should I look for in a high-quality RV hot water heater relay switch?
Look for durability, compatibility with your water heater model, and reliable performance ratings.
6:Where can I purchase the best RV hot water heater relay switch?
You can buy quality relay switches online, at RV supply stores, or through automotive retailers.
7:How much does an RV hot water heater relay switch cost?
Prices typically range from $15 to $50, depending on the brand and features.
Conclusion
The American Zettler Power Relay Kit exemplifies superior functionality, offering robust performance and reliability for RV enthusiasts seeking efficient hot water management. Its design ensures seamless operation, enhancing the overall experience during travel.
Conversely, the Lrichy RV Water Heater Switch Assembly stands out for its user-friendly installation and durable construction, providing an excellent balance of convenience and longevity. Together, these products represent the pinnacle of innovation, catering to diverse user needs while optimizing hot water accessibility in recreational vehicles.





