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Before you fire up an appliance running off your RV's LP system, it's worth knowing the gas pressure is where it should be and that there's no leak hiding in the line. This test kit lets you check either at an individual appliance or further upstream at the gas controls.
The gauge is mounted in a durable case for protection during storage and use, and a 30-inch hose plus pressure tap fitting are included so you can get connected without scrounging for extra parts.
A worthwhile check before every season, or anytime something about your gas system seems off.