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Industries

Bathroom & Sanitary Ware Water-efficient faucet and shower product directions Kitchen & Sink Fixtures Faucet aerators, kitchen sprayers, and compatibility routes Small Appliances & Drinking-Water Equipment Compact outlets, inlet flow control and check-valve selection

Solutions

EDGE Building Water Efficiency Faucet, shower and water-saving kit configurations for buildings Mist Aerator Development & Production Structural development, sampling, tooling and production cooperation Gas Water Heater Inlet Flow Control Solution Control excessive inlet flow before water enters the heater Shower Flow Control Solution Select flow restrictors by installation and flow requirements Sanitary Waterway Check and Flow Control Solution Compare check and combined flow-control configurations LED Water-Saving Solutions A complete faucet and shower solution path Dual-Function Faucet Aerator Water-Saving Solution Dual stream patterns with fixed and adjustable outlet options Extended-Reach Kitchen Sink Cleaning Solution Wider sink coverage for kitchen faucet programs North American Dual-Thread Faucet Compatibility Solution Thread, adapter, and gasket verification for North American faucets
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Product Categories

Product Categories Quickly find products
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Featured Products

Standard Kitchen Faucet Aerator Cores MJ2400, MJ2403, NJ2400, NX2400 Basin and Small-Size Aerator Cores MJ1600, MJ2000, NX1650, NX1850, NX2150 Low-Flow Public Faucet Cores MJ2405, MJ2408 MJ2800 Bathtub Faucet Aerator Core M28 large-bore aerator core for bathtub outlets MJG120 Bidet Faucet Aerator Core G 1/2 aerator core for bidet faucet programs MJ2409 Stainless-Steel Mesh Aerator Core POM and SS304 mesh aerator core for kitchen faucets BJ2409 Brass-Shell Aerator Core POM and brass-shell aerator core, 5 and 7 L/min options
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Featured Products

Concealed Threaded Aerators Concealed integrated-thread aerator cores Dual-Function Threaded Aerators Bubble stream and spray dual-mode threaded cores
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Featured Products

JM6200 Dual-Function Faucet Aerator Fixed dual-function aerator for kitchen and basin faucets JM6201 360° Swivel Faucet Aerator Directional adjustment for wider cleaning coverage JM6207 720° Swivel Faucet Aerator Wider outlet-positioning range for basin programs
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Featured Products

Ball-Joint Kitchen Sprayers POM, ABS, brass, and rubber-coated material directions North American Dual-Thread Kitchen Sprayer Dual-thread route for North American faucet connections Extended-Reach Kitchen Sprayer Extended outlet coverage for sink-cleaning programs
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Featured Products

Washer-Type Flow Restrictors MC1900, MC1901, MC2100, MC2500 A-Series Thin Flow Restrictors MA0800, MA0900, MA1000, MA1200, MA1800, MA1900 B-Series Build-In Flow Restrictors MB1380, MB1400, MB1500, MB1600, MB1640 Detachable Flow Restrictors HL1814H9, HL1815H9
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Featured Products

New Water-Saving Check Valves DB1400, DB1500, DT1814, DT1815
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Featured Products

JM10315 Self-powered LED faucet outlet display JM10315F Self-powered LED inline shower display 90240101 Self-powered LED water-saving hand shower
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Featured Products

Standard Aerator Shells 11 brass and 4 SS304 models Vandal-Resistant Aerator Shells 4 wrench-operated brass shell models
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Certifications

Certifications Overview Overview of certification content Factory Certifications Factory-level certificates and monitoring records ACS Certificate Models Historical model list; renewal required CSA / WaterSense Certified Products US and Canada WaterSense-related product list CSA / NSF Certified Products North American CSA / NSF product list KTW-BWGL Documented Products Germany-focused material documentation list

Resources

News Website updates and sourcing notes Contact / Request Documents Send inquiries and request certification documents FAQ Reserved for common purchasing and documentation questions
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Factory

Factory Capabilities Manufacturing, testing, and quality assurance OEM / ODM Support Customization, sampling, and production support
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Flow Restrictors & Flow Regulators

Flow Restrictors for Faucet and Shower Waterways

Limit flow in faucet, shower, overhead-shower and water-heater inlet waterways. Choose washer-type, thin, build-in or removable formats by connection and installation position.

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Product Selection

Compare Uses and Structures

Selection Notes

What Guides the Choice

Installation position

Identify a connection, threaded inlet or internal cavity before selecting the format.

Service needs

Compare MC1901 for regular cleaning and H9 when the restriction needs to be removable.

Flow conditions

Specify flow at the intended pressure, then evaluate the selected model in the complete assembly.

Dimensional fit

Outside diameter is not pipe size. Check depth, retention and sealing against the drawing.

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