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Members quickly identified the likely cause of the breaker tripping as a shorted 120V heating element in the Suburban 10-gallon propane water heater, a common issue especially if the tank was powered on while empty. Several experienced RVers recommended using a multimeter to check the element (should read around 10 ohms) and suggested that replacing the element is often straightforward. The rust and corrosion around the anode rod were noted, but most agreed this is typical and not...
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Members quickly identified the likely cause of the breaker tripping as a shorted 120V heating element in the Suburban 10-gallon propane water heater, a common issue especially if the tank was powered on while empty. Several experienced RVers recommended using a multimeter to check the element (should read around 10 ohms) and suggested that replacing the element is often straightforward. The rust and corrosion around the anode rod were noted, but most agreed this is typical and not necessarily a reason to replace the entire unit unless the threads are too far gone.
For those considering replacement, opinions on tankless on-demand propane heaters like the Fogatti InstaShower were mixed. While some praised their specs, others warned they consume more propane and water than traditional tank models, and reliability varies by brand. Members also discussed the importance of understanding the RV’s switch setup (interior and exterior) and ensuring all propane systems and water bypass valves are correctly configured before troubleshooting further.
Key actionable steps included: methodically checking the electric element and switches, consulting the Suburban service manual, and considering the pros and cons of tankless versus tank-style heaters based on usage needs (stationary vs. mobile, propane supply). Unanswered questions remain about the exact switch configuration and whether the propane side is functioning, with requests for photos to assist further.