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Home » Products » Coffee Machine Spare Parts » COFFEE MACHINE VALVE 421941308821 (11003673, 11003671 11001298 )

COFFEE MACHINE VALVE 421941308821 (11003673, 11003671 11001298 )

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  • XY-8821-CF

  • 421941308821

As a premier manufacturer and direct supplier of commercial-grade appliance components, we present the premium Coffee Machine Valve. Engineered for high-volume sourcing and rigorous daily operation, this direct-acting solenoid valve guarantees impeccable fluid control for the most demanding beverage equipment.

  • Sourced directly from the manufacturer for highly optimized and reliable procurement lines.

  • Precision-engineered to manage the high-pressure environments of professional espresso extraction.

  • Built specifically for seamless integration into both commercial and domestic appliance assembly lines.

  • Ensures absolute consistency in fluid dynamics, reducing long-term maintenance requirements.

Product Description

The heart of every exceptional espresso machine lies in its ability to master water flow and pressure, and this replacement solenoid valve is engineered to deliver exactly that. When integrated into your appliance builds or repair operations, this valve operates with a satisfying, crisp mechanical click, instantly directing scalding water and high-pressure steam without a hint of hesitation or leakage. Crafted to withstand the demanding internal micro-climate of modern coffee equipment, it feels dense and robust in the hand, serving as a physical testament to the premium metals and advanced polymers used in its construction. By maintaining absolute thermal stability and resisting the corrosive bite of acidic coffee compounds and mineral-heavy water, it ensures that every shot pulled yields a rich, aromatic, and visually stunning crema. Your clients will immediately notice the consistent extraction profiles and the dramatic reduction in unexpected maintenance downtime. This component does not just repair a machine; it restores the precise rhythm and sensory perfection of the brewing process, elevating the end-user's daily coffee ritual while safeguarding your brand's reputation for unyielding reliability.

XY-8821-CF3

XY-8821-CF2

XY-8821-CF1

XY-8821-CF4

The following table details the exact technical specifications and operational parameters of the valve, ensuring complete transparency for your engineering and procurement teams.

KeyValue
Product NameCoffee Machine Valve / Solenoid Valve
ModelXY-8821-CF
Compatible OEM Codes421941308821, 11003673, 11003671, 11001298
ManufacturerLongyou Xinyang Household Applicance Accessories Co., Ltd.
Valve Type2-Way / 3-Way Direct Acting Solenoid Valve (Supplemented)
MaterialFood-Grade Stainless Steel (304/316) / Brass / PPS (Supplemented)
MediaWater, High Temperature Steam, Air (Supplemented)
Voltage OptionsDC 12V/24V, AC 110V/120V/220V/230V (Supplemented)
Operating Pressure0 - 15 Bar / High Pressure Resistant (Supplemented)
Temperature RangeHigh Temperature Resistant, 0-140℃ (Supplemented)
CertificationsCE, VDE, RoHS, CQC, FDA Compliant (Supplemented)
ApplicationCommercial & Household Full-Automatic/Semi-Automatic Espresso Coffee Machines (Supplemented)


Delivering uncompromised performance for demanding beverage equipment, this valve is meticulously engineered to resolve common pain points in fluid dynamics. The advanced architecture of this component ensures that unexpected pressure drops and thermal inconsistencies are virtually eliminated during operation.

  • Instantaneous Response: The electromagnetic coil actuates with razor-sharp precision, allowing for micro-second adjustments to water flow, which is absolutely essential for delicate pre-infusion stages.

  • Acoustic Refinement: Designed to operate with a muted, dampened actuation sound, preventing the harsh, metallic clacking noises that disrupt the acoustic ambiance of premium cafes and quiet home kitchens.

  • Thermal Resilience: Maintains impeccable structural integrity and seal perfection even when subjected to continuous cycles of 140℃ steam, preventing the rubber fatigue common in standard components.

  • Seamless Integration: The precise threading and standardized terminal connections mean assembly line technicians or field engineers can snap it into place effortlessly, drastically cutting down labor time.

Material & Food-Grade Safety

When dealing with components that intimately touch consumable liquids, absolute material purity is a non-negotiable requirement. This valve is constructed from elements meticulously selected to preserve the delicate, volatile flavor notes of specialty coffee beans without ever imparting any metallic, plastic, or chemical aftertastes.

  • Inert Stainless Steel Core: Utilizing premium 304 and 316-grade stainless steel ensures that the internal pathways remain completely unreactive to highly acidic espresso profiles.

  • Premium Brass Housing: The heavy-duty brass body provides exceptional thermal mass, actively helping to stabilize water temperature as it travels rapidly toward the group head.

  • High-Performance PPS Polymers: Strategically utilized for their incredible heat resistance and structural stability, ensuring absolutely no chemical leaching occurs even under extreme thermal stress.

  • Tasteless and Odorless Seals: FDA-compliant internal gaskets guarantee that the water passing through remains crystal clear, odorless, and perfectly pure for the ultimate brewing experience.

Core Performance & Precise Control

The difference between a mediocre cup and a true culinary masterpiece lies in the exact calibration of pressure and heat. This direct-acting solenoid valve acts as the absolute gatekeeper of your machine's hydraulic system, offering unparalleled command over the most critical brewing variables.

  • High-Pressure Mastery: Effortlessly manages up to 15 Bar of pressure, ensuring the water punches through the densely packed coffee puck with optimal, unwavering force for maximum flavor extraction.

  • Rapid Depressurization: The 3-way functionality allows for instant pressure relief the moment the shot finishes, instantly drying the coffee puck for easy disposal and preventing bitter over-extraction.

  • Micro-Metric Steam Control: Modulates the flow of high-temperature steam with exacting accuracy, allowing professional baristas to consistently texture milk into a velvety, glossy micro-foam.

  • Unwavering Consistency: Shot after shot, the valve maintains identical flow rates, guaranteeing that a cafe's signature blend tastes exactly the same during the chaotic morning rush as it does in the quiet afternoon.

Broad Compatibility & Adaptability

Sourcing replacement parts or standardizing components across distinctly different machine models can often become a logistical nightmare. We have engineered this valve to serve as a highly adaptable universal solution, perfectly matching the exact specifications of industry-leading OEM codes.

  • Direct OEM Replacement: Flawlessly substitutes crucial part numbers including 421941308821, 11003673, 11003671, and 11001298 with absolutely zero mechanical modifications required.

  • Universal Voltage Support: Available in a comprehensive spectrum of electrical configurations, ranging from DC 12V/24V for mobile setups to AC 110V-230V for standard commercial power grids.

  • Standardized Fitting Dimensions: Engineered with precision-cut threads that mate seamlessly with existing plumbing, eliminating the frustrating need for custom adapters or messy Teflon tape applications.

  • Cross-Platform Application: Performs equally brilliantly in a compact domestic semi-automatic machine as it does in a multi-group commercial powerhouse utilized in high-traffic environments.

Structural Design & Durability

The internal environment of any coffee machine is inherently hostile, characterized by rapid temperature fluctuations and relentless mineral buildup. This valve features a robust, heavy-duty architecture specifically designed to combat these destructive elements and significantly outlast standard factory components.

  • Scale-Resistant Pathways: The internal geometry is smoothed and polished to a microscopic level, actively preventing calcium and magnesium deposits from finding a secure anchor point.

  • Corrosion-Proof Actuator: The direct-acting mechanical core is heavily shielded against the highly acidic nature of coffee oils and the harsh alkalinity of backflush detergents.

  • Endurance Tested: Subjected to rigorous, prolonged laboratory testing, successfully achieving tens of thousands of flawless actuation cycles without a single drop of bypass leakage.

  • Vibration Dampening: The strategic structural mass and incredibly tight tolerances absorb the intense vibrations generated by rotary or vibratory pumps, preventing long-term mechanical fatigue.

Ease of Maintenance & Cleaning

Equipment downtime translates directly into lost revenue and immense frustration. Recognizing the high-stakes, fast-paced nature of the hospitality industry, this valve is designed to make routine maintenance and deep cleaning as frictionless as possible for service technicians.

  • Optimized for Backflushing: The internal flow dynamics actively support rigorous chemical backflushing protocols, clearing out rancid coffee oils and debris with maximum efficiency.

  • Modular Coil Design: The electromagnetic coil can be swiftly detached and replaced independently from the valve body, meaning technicians do not need to drain the boiler or break water seals for electrical repairs.

  • Clog-Free Architecture: Engineered with wider internal tolerances in critical fluid zones to allow micro-particles of stray coffee grounds to pass through without jamming the delicate internal plunger.

  • Accessible Fasteners: Designed specifically with standard tool clearances in mind, allowing field engineers to perform rapid component swaps even in the cramped, dark interiors of commercial espresso machines.

Quality Certifications & Global Compliance

Navigating international customs and ensuring strict electrical safety compliance requires absolute certainty in your component sourcing. This valve arrives backed by a comprehensive portfolio of global certifications, guaranteeing smooth importation and total peace of mind for your compliance officers.

  • CE & VDE Approved: Meets the most stringent European standards for electrical safety, ensuring the coil operates safely under continuous, heavy load without dangerous overheating risks.

  • RoHS Compliant: Manufactured entirely free of hazardous materials such as lead and cadmium, aligning perfectly with modern environmental directives and corporate green manufacturing goals.

  • FDA Material Certification: All internal water-contact surfaces are rigorously tested and certified to meet United States Food and Drug Administration standards for food-safe materials.

  • CQC Verified: Passed rigorous, multi-stage quality control assessments, ensuring that every single unit rolling off the assembly line performs exactly to its stated engineering specifications.

Manufacturer Strength & Supply Chain

Partnering with a proven, deeply established manufacturer ensures that your assembly lines never halt due to unexpected component shortages. Since 2002, our facility has been at the absolute forefront of appliance accessory production, offering unmatched scale, precision, and logistical reliability.

  • Massive Production Capacity: Our advanced manufacturing floors are equipped to handle immense volume requirements, ensuring steady, uninterrupted supply lines for major global appliance brands.

  • Deep Customization (OEM/ODM): We possess the advanced engineering agility to modify coil voltages, terminal types, and valve body materials to perfectly match your proprietary machine designs.

  • Stringent Quality Assurance: Every individual valve undergoes rigorous pneumatic, hydrostatic, and electrical testing before packaging, guaranteeing a near-zero defect rate upon arrival at your facility.

  • Optimized Cost Efficiency: By strictly controlling the entire production process from raw material acquisition to final assembly, we offer highly competitive pricing structures for large-scale volume procurement.


To assist your engineering and procurement teams in making a fully informed decision, we have compiled detailed answers to the most technical inquiries regarding this solenoid valve.

  • Q1: How does this valve handle the thermal expansion associated with continuous 140℃ steam cycles?
    A: The valve utilizes high-performance PPS polymers and premium-grade brass, both of which possess highly stable, predictable thermal expansion coefficients. This specific material pairing ensures that the internal plunger and seals maintain their exact micro-tolerances, actively preventing binding or leakage even when subjected to rapid heating and cooling cycles during peak operation hours.

  • Q2: Can the electromagnetic coil be replaced independently if an unexpected electrical fault occurs?
    A: Yes, the intelligent modular design of this solenoid valve allows for the coil to be slipped off the central armature tube with minimal effort. This means service technicians can resolve electrical issues in a matter of minutes without ever having to depressurize the hydraulic system or break any watertight seals, saving immense labor time.

  • Q3: Is this valve completely compatible with the highly acidic descaling solutions used in commercial maintenance?
    A: Absolutely. The internal fluid pathways are constructed from resilient 304/316 stainless steel and utilize highly chemically resistant FDA-compliant seals. This allows the valve to easily withstand routine, aggressive flushing with concentrated citric acid or commercial backflush powders without degrading the metal or drying out the gaskets.

  • Q4: What specific advantages does the direct-acting mechanism offer over pilot-operated valves in this particular application?
    A: In espresso machines, water volumes are relatively small but pressure demands are exceptionally high and instantaneous. A direct-acting mechanism does not rely on differential fluid pressure to open; instead, the magnetic field directly lifts the plunger. This guarantees micro-second response times for precise water dosing, which is absolutely critical for consistent espresso extraction.

  • Q5: How do you ensure the absolute consistency of the 15 Bar pressure rating across large production batches?
    A: Every single valve undergoes automated pneumatic and hydrostatic testing at the final stage of our assembly line. We utilize highly sensitive precision digital sensors to verify that the valve holds absolute pressure up to 15 Bar without a micro-drop of bypass, ensuring 100% compliance before the unit is cleared for packaging and shipment.


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