Browse quality appliance regulators at F.W. Webb. Use this type of regulator to control the flow and supply in a gas appliance to protect against leaks and damage. Made in standard aluminum or high-strength aluminum alloy, these durable regulators can stand up to normal use in an appliance. Use our convenient filters to sort RV and RV/CV regulators by outlet pressure and pipe size. Explore options in appliance and RV regulators from trusted makers Maxitrol and Cavagna to find the best fit for your residential, commercial, or industrial application.