Product Overview

The 2114/2120 Single-Shaft Galvanized Range Hood Motor is an industrial-grade, single-phase AC centrifugal blower specifically engineered for integration into concealed and built-in residential ventilation systems. Housed in a compact, highly rigid galvanized steel casing utilizing a weld-less and rivet-less assembly technique, the unit offers exceptional resistance to galvanic corrosion. It features a highly efficient single forward-curved impeller, dynamically balanced to ensure zero-vibration, silent operation within tight cabinet enclosures. Fortified with Class 200 thermal insulation and an integrated thermal protector, this motor maintains thermodynamic stability during continuous extraction cycles. With a variable 1-to-8 speed matrix, it provides OEM manufacturers with the precise control logic required for modern, space-saving kitchen appliances.

Key Benefits

Optimized for Concealed Integration: The single-shaft, single-impeller geometry meets the strict dimensional constraints of built-in and hidden range hood models without sacrificing volumetric extraction.

Zero-Vibration Acoustic Profile: Precision dynamic balancing combined with a rigid metallic chassis eliminates mechanical resonance.

Corrosion-Resistant Architecture: The interlocking galvanized metal assembly is completely free of welds and rivets, eliminating the localized weak points where rust typically originates.

High Thermodynamic Endurance: Class 200 winding insulation and an in-line thermal protector extend continuous-duty service life.

Maximum Control Versatility: 1 to 8 distinct speed configurations, allowing integration with universal switching relays and proprietary PCB controllers.

Technical Specifications

Product Features

Single-Shaft / Single-Impeller Geometry: The compact single-shaft architecture minimizes the motor’s physical footprint for tight cabinet range hoods.

Zero-Vibration Dynamic Balancing: The entire rotor and impeller assembly undergoes strict precision dynamic balancing to counteract acoustic resonance in confined spaces.

Weld-Less Galvanized Steel Chassis: Constructed entirely without spot welds or rivets, preserving the galvanized zinc coating.

Class 200 Thermodynamic Protection: Ensures the motor can operate continuously within the enclosed, heat-dense environment of a concealed hood.

Variable Speed Matrix (1 to 8 Stages): Programs optimized extraction curves that maximize energy efficiency while minimizing noise.

Global Export Readiness (50/60Hz): Standardize a single SKU for distribution across diverse international power grids.

Universal OEM Integration: Compatible with mechanical push-buttons, capacitive touch panels, and advanced electronic PCB relays.

Applications

Concealed / Built-In Range Hoods: Specifically designed for modern, space-saving kitchen ventilation units integrated directly into overhead cabinetry.

Slide-Out / Telescopic Hoods: The compact single-impeller geometry accommodates strict depth limitations of retractable exhaust systems.

Light Commercial Localized Extraction: Suitable for space-restricted workstation ventilation.

Custom Compact HVAC Modules: A reliable baseline centrifugal component for small-form-factor air-handling units.

Why Choose This Product

For OEM buyers and HVAC engineers, this model resolves the two primary pain points of concealed hood manufacturing: spatial constraints and cabinet resonance. The single-shaft design ensures physical compatibility with minimalist hood chassis, while the precision-balanced, zero-vibration operation prevents the appliance from rattling against surrounding cabinetry. The combination of a weld-less galvanized housing and Class 200 insulation guarantees structural and thermodynamic longevity.

Why Choose This Manufacturer

Nam Avarane Sanaye Arvin Co. (Electro NASA) has been a primary manufacturer of centrifugal ventilation equipment since 1999. Operating under ISO 9001:2015 protocols, our facility consistently exports over 30% of its production capacity, offering direct 24-month factory warranties and scalable production capacities.

Product Comparison

Quality Assurance & Manufacturing

Cabinet Acoustic Simulation: Motors undergo strict decibel and vibration mapping in enclosed testing environments.

Enclosed Thermal Load Validation: Continuous operation testing under simulated high-heat, restricted-airflow conditions.

Structural & Corrosion Testing: The weld-less galvanized housing is subjected to accelerated environmental stress testing.

Dielectric Withstand Testing (Hi-Pot): Ensuring electrical insulation integrity under peak voltage stress.

Installation & Maintenance

Streamlined Assembly for Enclosed Architectures: Dimensionally optimized for concealed, slide-out, and built-in range hood chassis. The weld-less galvanized casing provides highly stable mounting points that resist warping when secured within tight cabinet enclosures.

Maintenance Profile in Confined Spaces: The weld-less galvanized chassis intrinsically prevents localized oxidation caused by trapped humidity. The in-line thermal protector automatically interrupts and resets, drastically reducing physical maintenance needs.

FAQ

Why is the single-shaft design specifically recommended for concealed or built-in range hoods? Concealed and telescopic range hoods have strict spatial and depth constraints. The single-shaft, single-impeller geometry minimizes the physical footprint while still generating the high static pressure required for effective ventilation.

How critical is the “zero-vibration” dynamic balancing for built-in appliances? It is absolutely vital — built-in hoods are mounted directly against wooden cabinetry, which can amplify mechanical vibrations into loud resonance. Our rigorous dynamic balancing completely eliminates this.

Does the weld-less galvanized construction truly prevent rust in enclosed hood systems? Yes. Traditional spot-welding destroys the protective zinc layer, creating vulnerability points. Our interlocking, weld-less assembly preserves the galvanized coating entirely.

Why does a compact motor require Class 200 thermal insulation? Concealed hoods trap more ambient heat because they lack external airflow cooling. Class 200 insulation withstands these elevated temperatures continuously without degrading.

Can the 1-to-8 speed settings be mapped to our proprietary electronic touch panels? Absolutely — your electrical engineering team can map the distinct speed taps to align with your proprietary interfaces.

What is the international supply capability for this specific OEM component? Electro NASA operates a highly scalable, ISO 9001:2015-certified facility, exporting over 30% of production volume, fully equipped for high-volume, long-term OEM supply agreements.

Trust & Export Procurement

Sourcing compact, specialized motors through third-party trading brokers often leads to supply chain friction and inconsistent dynamic balancing. By partnering directly with Nam Avarane Sanaye Arvin Co. (Electro NASA), you eliminate these risks. We are a primary industrial manufacturer with absolute control over our engineering and assembly lines, guaranteeing consistent zero-vibration performance and structural integrity across your entire production volume.

Get in Touch

Request an OEM Quotation — Submit your projected annual volume and integration requirements to receive a comprehensive commercial pricing tier and production lead-time estimate.

Discuss Custom OEM Integration — Require specific speed mapping for your concealed hood models? Consult directly with our technical sales engineers.

Request Technical Data & CAD Files — Request dimensional drawings, aerodynamic performance curves, and electrical schematics.

Apply for Regional Distributorship — Expand your B2B component portfolio with premium, zero-vibration single-shaft blowers.