- Plumbing
- Hvac
- Hydronics
- Geothermal
- Cabinetry/Countertops
- Lighting
- Products
- Clearance
- Kitchen
- Bathroom
-
Fixtures & Accessories
- Bar/Prep Faucets
- Bathroom Cabinetry & Vanities
- Bathroom Sinks
- Kitchen Accessories
- Bathroom Sink Faucets
- Kitchen Sinks
- Safety
- Bar/Prep Sinks
- Bathroom Accessories
- Bathroom Drains
- Laundry Faucets & Accessories
- Laundry Sinks & Tubs
- Showering
- Toilets & Bidets
- Tub & Shower Combination
- Kitchen Faucets & Potfillers
- Shower Bases
- Shower Doors
- Tubs & Whirlpools
- Urinals
- Showers Only
- Toilet Seats
- Water Dispensers & Filtration
- Garbage Disposals & Parts
- Tub & Whirlpool Faucets
-
Plumbing Supplies
- Rough in Valves
- Chemicals, Lubricants & Paints
- Piping & Valve Products
- Cleaning Wipes, Cloths & Coverings
- Faucet Parts & Accessories
- Water Systems & Pumps
- Drains & Cleanouts
- Commercial Plumbing
- Hydronic Specialties
- Installation Tools & Supplies
- Water Heaters & Boilers
- Supply & Outlet Boxes
- Tubular Plumbing & P-Traps
- Tanks, Chambers, Grates
- Pipe Insulation
- Water Filtration & Water Softeners
- Bathroom Sink Faucets
- Kitchen Faucets & Potfillers
- HVAC
- Tools & Hardware
- Indoor Lighting
- Outdoor Lighting
- About
- Lighting Showroom
- Contact
- Resources
MAIN MENU
MY ACCOUNT MENU
- Products
- Clearance
- Kitchen
- Bathroom
-
Fixtures & Accessories
- Bar/Prep Faucets
- Bathroom Cabinetry & Vanities
- Bathroom Sinks
- Kitchen Accessories
- Bathroom Sink Faucets
- Kitchen Sinks
- Safety
- Bar/Prep Sinks
- Bathroom Accessories
- Bathroom Drains
- Laundry Faucets & Accessories
- Laundry Sinks & Tubs
- Showering
- Toilets & Bidets
- Tub & Shower Combination
- Kitchen Faucets & Potfillers
- Shower Bases
- Shower Doors
- Tubs & Whirlpools
- Urinals
- Showers Only
- Toilet Seats
- Water Dispensers & Filtration
- Garbage Disposals & Parts
- Tub & Whirlpool Faucets
-
Plumbing Supplies
- Rough in Valves
- Chemicals, Lubricants & Paints
-
Piping & Valve Products
- PVC Pipe & Tubing
- Bronze Fittings
- Brass & Chrome Fittings
- Steel Pipe
- Copper Pipe
- Compression & Flare Fittings
- Steel Pipe Fittings/Nipples
- Insert & Garden Hose Fittings
- Sharkbite & Push-Fit Fittings
- No Hub Pipe Fittings
- Pipe
- PVC Fittings/Nipples
- Support Channels
- MegaPress Fittings & Valves
- Iron Pipe Fittings/Nipples
- Valves
- CSST & Underground Gas Pipe/Ftngs
- Clamps, Hangers & Supports
- Dielectric Unions
- Flex Gas Connectors & Regulators
- Pipe & Fitting Hangers
- Polyethylene Tubing
- Air Admittance Valves
- Water Hammer Arresters
- Barb Fittings
- Propress Fittings & Valves
- Test Plugs & Repair Couplings
- Cleaning Wipes, Cloths & Coverings
- Faucet Parts & Accessories
- Water Systems & Pumps
- Drains & Cleanouts
- Commercial Plumbing
- Hydronic Specialties
- Installation Tools & Supplies
- Water Heaters & Boilers
- Supply & Outlet Boxes
- Tubular Plumbing & P-Traps
- Tanks, Chambers, Grates
- Pipe Insulation
- Water Filtration & Water Softeners
- Bathroom Sink Faucets
- Kitchen Faucets & Potfillers
- HVAC
-
Tools & Hardware
-
Hand Tools
- Cable Tie Tools
- Caulking Guns
- Inspection Mirrors & Magnetic Tools
- Markers
- Pipe Extractors
- Pipe/Tube Cutter Accessories
- Sheet Metal Tools
- Faucet Handle Pullers
- Cartridge Removal Tool
- Hex Keys & Wrenches
- Pipe/Tube Cutters
- Pliers
- Tape Measures
- Hacksaws & Accessories
- Nutdrivers
- Swaging & Flaring Tools
- Tub Drain Tool
- Utility Knives
- Deburring Tools
- Pipe/Tube Benders
- Screwdrivers
- Threading Taps & Dies
- Torpedo Levels
- Cleaners
- Fasteners
-
Test & Measuring Instruments
- Airflow Meters & Thermo-Anemometers
- Instrument Accessories
- Leak Detectors & Alarms
- Leak Detection Inspection Lights
- Carbon Monoxide Analyzers
- Clamp Meters
- Gas & Smoke Detectors
- Hydrogauges
- Ammeters
- Manifold Gauges
- Multimeters
- Pigtail Syphons
- Thermometers
- Psychrometers
- Refractometers
- Water & Liquid Level Gauges
- Manometers
- Pressure/Vacuum Gauges
- Refrigerant Scales
- Replacement Parts & Accessories
- Voltage Detectors
- Welding & Soldering
- Hardware
- Tool Attachment & Accessories
- Plumbing Tools
-
Power Tools
- Cordless Blowers
- Cordless Expansion Tools
- Cordless String Trimmers
- Cordless Band Saw
- Cordless Combination Tool Kits
- Cordless Screwguns
- Dust Extractors & Vacuums
- Cordless Circular Saws
- Jobsite Radio/Chargers
- Power Drills
- Press Tools
- Cordless Caulking Guns
- Snips/Shears
- Cordless Reciprocating Saws
- Cordless Heat Guns
- Cordless Oscillating Tools
- Impact Drivers & Wrenches
- Tool Storage & Tool Kits
- Workwear, Safety Gear & Equipment
- Safety & Security
-
Hand Tools
- Indoor Lighting
- Outdoor Lighting
- Manufacturers
- A. O. Smith
- Aeroflex
- Anvil International
- Aprilaire
- Bell & Gossett
- Bemis Manufacturing Company
- Boshart
- Boss Products
- BrassCraft
- Cash Acme
- Copper Pipe
- Cresline Plastic Pipe
- Delta Faucet
- DiversiTech
- Elkay
- Fernco
- Fluidmaster
- Gastite
- Gerber
- Grundfos
- Hammond Valve
- Honeywell
- In-Sink-Erator
- International Comfort Products
- J.W Harris
- Kohler
- Liberty Pumps
- Mill-Rose
- Mueller Industries
- Oatey SCS
- Pasco
- Red-White Valve
- Sioux Chief
- Southwark Metal
- Spears Manufacturing
- Uponor Wirsbo
- Viega
- Weil-McLain
- Woodford
- Zoeller
- About
- Lighting Showroom
- Contact
- Resources
- My Account
- Home
- /Products
- / HVAC
- / Indoor Air Quality (IAQ)
- / Humidifiers/Dehumidifiers
- / Media/Parts
- /Aprilaire RP 4021
Aprilaire RP 4021
Aprilaire RP 4021 Nylon Orifice For Models 112, 224 And 330 Humidifier, 11/64 Inch, Red
- Mfg. Name: Aprilaire
- Brand Name: Aprilaire
- MPN: RP 4021
- PSCN: 24810
- CPN:
- UPC: 068672014021
- Min. Ord. Qty: 1
- Qty. Interval: 1
Retail Price:
Qty
- Accurately meters the flow of water into your humidifier
| Brand | : | Aprilaire |
| Item Name | : | Orifice |
| Material | : | Nylon |
| Color | : | Red |
| For Use With | : | Models 112, 224 And 330 Humidifier |
| Outer Diameter | : | 11/64 Inch |
Recently Viewed Items
Can't find a product? Let us help you!
Please Click Here to contact a knowledgeable PSC representative who will promptly reply to your request.