Ametek Fan Cover/Shell for all 7.2" Motors Part #20.4429
- Product SKU: 20-4429
- Category: Ametek vacuum parts
- Order within
Product Introduction
Discover the Ametek Fan Cover/Shell for all 7.2″ Motors – Part #20.4429, a precision-engineered cover designed to enhance motor performance and prolong equipment life. This OEM-quality shell offers seamless compatibility with all 7.2″ motors, making it the ideal replacement or upgrade for industrial fans, HVAC systems, and motor-driven machinery.
Key Features Overview
-
OEM-Matching Fit: Engineered to exact Ametek specifications for easy installation.
-
Premium-Grade Material: Made from reinforced plastic/metal offering superior impact resistance.
-
Optimized Airflow Design: Vented shell improves motor cooling efficiency.
-
Built-In Mounting Points: No-drill installation with pre-molded screw holes.
-
Corrosion & Fade Resistant: UV-stable construction for long-term outdoor durability.
What Makes This Model Stand Out
-
Exact OEM Compatibility: Guaranteed fit for all standard 7.2″ Ametek motors.
-
Durable and Lightweight: Delivers rugged protection without compromising motor performance.
-
Patented Venting Pattern: Boosts airflow while reducing noise.
-
Smooth Installation: Retains original mounting layout—no modifications needed.
-
Resists Degradation: Withstands corrosive environments and extended sun exposure.
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 20.4429 |
| Compatibility | All 7.2″ Ametek motors (models 7.2 kW, etc.) |
| Material | Reinforced ABS / composite |
| Dimensions | Ø7.2″ outer diameter x 2.5″ depth |
| Weight | ~0.8 lbs |
| Mounting | 4 pre-drilled mounting holes |
| Finish | Black, UV-stable matte |
| Operating Temp | –40°F to 194°F (–40 °C to 90 °C) |
| Certifications | RoHS-compliant, UL-recognized components |
| Country of Origin | USA / Taiwan (OEM-sourced) |
Ideal Buyers – Who Should Buy It?
-
Service & Maintenance Techs servicing HVAC equipment across the U.S.
-
OEM Manufacturers producing fans and motor assemblies.
-
Industrial & Commercial Facilities looking for direct-fit replacement parts.
-
Distributors & Electrical Traders optimizing inventory with quality motor components.
-
DIY Enthusiasts & Professionals performing routine motor maintenance and upgrades.
Availability – Online and In-Store
-
Online:
-
✅ Ships from the USA
-
✅ Competitive pricing and fast delivery
-
-
Retail Partners: Available through HVAC and industrial supply wholesalers nationwide—contact us for your local distributor.
Comparison Table
| Feature | Ametek 20.4429 Shell | Generic Covers | Direct OEM Replacement |
|---|---|---|---|
| Exact 7.2″ Fit | ✅ | ⚠️ 7.1–7.4” only | ✅ |
| Vent Design | Patented airflow-optimized | Basic slots | Same as OEM |
| UV & Corrosion Resistance | ✅ UV-stable ABS | ❌ Often untreated | ✅ |
| Mounting Holes | 4 OEM-standard | Varies | OEM match |
| Certifications | RoHS, UL | Usually none | OEM compliant |
| Weight | Light | Varies | OEM match |
Pros and Cons
✅ Pros:
-
OEM-level build quality and fit
-
Enhanced cooling via optimized vents
-
Durable and weather-resistant material
-
Straightforward, no-mod drill-free installation
-
Certifications for RoHS and UL
-
Reliable U.S. inventory
⛔ Cons:
-
Slightly higher cost than generic alternatives
-
Limited color options (only standard black matte)
-
Specific to 7.2″ motors—ensure compatibility
Product Introduction
Discover the Ametek Fan Cover/Shell for all 7.2″ Motors – Part #20.4429, a precision-engineered cover designed to enhance motor performance and prolong equipment life. This OEM-quality shell offers seamless compatibility with all 7.2″ motors, making it the ideal replacement or upgrade for industrial fans, HVAC systems, and motor-driven machinery.
Key Features Overview
-
OEM-Matching Fit: Engineered to exact Ametek specifications for easy installation.
-
Premium-Grade Material: Made from reinforced plastic/metal offering superior impact resistance.
-
Optimized Airflow Design: Vented shell improves motor cooling efficiency.
-
Built-In Mounting Points: No-drill installation with pre-molded screw holes.
-
Corrosion & Fade Resistant: UV-stable construction for long-term outdoor durability.
What Makes This Model Stand Out
-
Exact OEM Compatibility: Guaranteed fit for all standard 7.2″ Ametek motors.
-
Durable and Lightweight: Delivers rugged protection without compromising motor performance.
-
Patented Venting Pattern: Boosts airflow while reducing noise.
-
Smooth Installation: Retains original mounting layout—no modifications needed.
-
Resists Degradation: Withstands corrosive environments and extended sun exposure.
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 20.4429 |
| Compatibility | All 7.2″ Ametek motors (models 7.2 kW, etc.) |
| Material | Reinforced ABS / composite |
| Dimensions | Ø7.2″ outer diameter x 2.5″ depth |
| Weight | ~0.8 lbs |
| Mounting | 4 pre-drilled mounting holes |
| Finish | Black, UV-stable matte |
| Operating Temp | –40°F to 194°F (–40 °C to 90 °C) |
| Certifications | RoHS-compliant, UL-recognized components |
| Country of Origin | USA / Taiwan (OEM-sourced) |
Ideal Buyers – Who Should Buy It?
-
Service & Maintenance Techs servicing HVAC equipment across the U.S.
-
OEM Manufacturers producing fans and motor assemblies.
-
Industrial & Commercial Facilities looking for direct-fit replacement parts.
-
Distributors & Electrical Traders optimizing inventory with quality motor components.
-
DIY Enthusiasts & Professionals performing routine motor maintenance and upgrades.
Availability – Online and In-Store
-
Online:
-
✅ Ships from the USA
-
✅ Competitive pricing and fast delivery
-
-
Retail Partners: Available through HVAC and industrial supply wholesalers nationwide—contact us for your local distributor.
Comparison Table
| Feature | Ametek 20.4429 Shell | Generic Covers | Direct OEM Replacement |
|---|---|---|---|
| Exact 7.2″ Fit | ✅ | ⚠️ 7.1–7.4” only | ✅ |
| Vent Design | Patented airflow-optimized | Basic slots | Same as OEM |
| UV & Corrosion Resistance | ✅ UV-stable ABS | ❌ Often untreated | ✅ |
| Mounting Holes | 4 OEM-standard | Varies | OEM match |
| Certifications | RoHS, UL | Usually none | OEM compliant |
| Weight | Light | Varies | OEM match |
Pros and Cons
✅ Pros:
-
OEM-level build quality and fit
-
Enhanced cooling via optimized vents
-
Durable and weather-resistant material
-
Straightforward, no-mod drill-free installation
-
Certifications for RoHS and UL
-
Reliable U.S. inventory
⛔ Cons:
-
Slightly higher cost than generic alternatives
-
Limited color options (only standard black matte)
-
Specific to 7.2″ motors—ensure compatibility
Frequently Asked Questions
-
Q: Which Ametek motors use this shell?
A: Designed for any Ametek motor with a 7.2″ fan end, including subgroup standard 7.2 kW industrial motors. -
Q: Is installation easy?
A: Yes—screw-on installation aligns with OEM mounting points; no drilling required. -
Q: Is it weatherproof?
A: UV-stable and corrosion-resistant, making it suitable for indoor and outdoor use. -
Q: Is it UL listed?
A: Its materials are UL-recognized, and it meets industry safety standards. -
Q: Can I paint it to match my equipment?
A: Yes; smooth ABS surface accepts most industrial-grade paints—test adhesion first. -
Q: Does it affect airflow?
A: On the contrary—its patented vent pattern improves cooling, reducing motor temps. -
Q: Does it add extra noise?
A: No —designed to reduce air turbulence for low-noise operation. -
Q: Can it fit older motors?
A: Should fit any 7.2″ fan-bearing housing, regardless of motor age. -
Q: Is hardware included?
A: No; reuse the original screws. Compatible with standard #8–32 mounting hardware. -
Q: Heat resistance?
A: Rated to +194 °F / 90 °C—suitable for high-temperature industrial environments. -
Q: Lead time?
A: Online orders ship same day; in-store availability depends on distributor. -
Q: Bulk discount?
A: Contact sales for volume pricing on orders over 50 units. -
Q: Return policy?
A: 30-day returns on unused units in original packaging—see store policy. -
Q: Are there other colors available?
A: Only black matte currently—custom runs may be possible for large OEM orders. -
Q: Is it recyclable?
A: Shell is made of recyclable ABS, but check local recycling regulations. -
Q: Can it fit metric motors?
A: Typically yes if housing diameter matches 7.2″; verify measurements before ordering. -
Q: Does it meet OSHA standards?
A: It provides basic protection; OSHA compliance depends on motor system design—consult your safety engineer.
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