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Gas Valves

The gas valve in an RV heating system (propane forced-air furnace, such as Suburban SF-series, Atwood/Dometic Hydro Flame, or similar models) is an electrically operated solenoid valve (typically 12V DC) that acts as the primary safety and control device for propane flow, opening only when commanded by the ignition control board after all safety conditions are met—like proper blower airflow (via sail switch), no over-temperature limits, and sufficient battery voltage—to allow propane to reach the burner assembly for ignition.

It regulates the precise amount of propane delivered to the burner for efficient combustion, remains open during normal heating operation once flame is proven (via flame rectification through the electrode), and immediately closes upon loss of flame signal, thermostat satisfaction, or any safety fault to prevent gas leaks, explosions, or carbon monoxide buildup—making it a critical redundant safety component in the compact, mobile RV environment where reliable, automatic operation on battery power is essential. Common failures (e.g., stuck solenoids, coil issues, or leaks) often cause no-heat symptoms, clicking without gas flow, or intermittent lockouts, and replacements are straightforward plug-and-play parts for these systems.

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Need help finding the correct blower or fan kit for your fireplace? Let our experts help you track down the correct replacement blower, fan kit or part for your application. We typically only need the fireplace or stove's make and model to determine exactly what you need. This information can usually be found on gas fireplaces by removing the lower access panel and finding your fireplace's name tag or identificaton card. Wood inserts will often times have the same identificaton card, while freestanding stoves and others might have this information printed on a rear panel or door.

Once you've located your fireplace's brand and model information, simply use the Find Your Blower tool above, or the Help Find My Blower at the top of the page.

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