Resideo - Honeywell Home 388468D Orifice Replacement PartResideo Honeywell Home 388468D is a precision Orifice L 10 replacement part designed for reliable operation in compatible Honeywell Home and Resideo systems. This essential replacement part supports accurate fuel metering and steady burner performance, helping maintain system efficiency and safety. The L 10 orifice delivers consistent flow characteristics critical for optimal combustion, making it a trusted choice for service technicians and DIY

long-lasting operation in demanding applications

this valve is well suited for atmospheric boilers

and air pressure monitoring

Natural to LP conversion kit included

this Maxitrol control provides smooth modulation and dependable control in both residential and light commercial applications

Temperature Range: 32–250°F (fluid)

this damper features extruded aluminum blades for durability and smooth actuation

keeping your kickspace heater delivering steady heat when you need it most

and a junction box with single or dual knockout configurations

It features a 1/4 inch inlet with a male threaded connection and a compact vertical mounting profile for tight spaces

reduced energy costs

differential: 6–14 PSI