Matthew has been working with tools his entire life. Rebuilding his first engine at 15, he's spent years in the diesel mechanic industry, repaired complex conveyor systems, and mastered hands-on troubleshooting.
Having served as the sole Telebelt mechanic in the Midwest for three years, Matthew possesses deep, practical knowledge of heavy equipment and machinery.
If you’re unsure about what you need, he can walk you through the entire process — from choosing the right tool to securing the best price.
*Please Note: This timeline is an estimate. Certain products may require an additional 1 week for manufacturing. Please speak with your sales rep, Matthew, for official details and confirmation before placing your order.
CALL US FOR THE MOST ACCURATE AND COMPETITIVE LTL SHIPPING RATE, (888) 308-5580
Capacity: 52.97 CFM airflow capacity • 29 – 145 PSI working pressure • 176°F max inlet temperature • 104°F max ambient temperature.
Features: Removes up to 98% of moisture • Delivers ISO 8573 Class 4 dry air • Stable 2–10°C (35.6 – 50°F) pressure dew point • Non-recycling design with R134A refrigerant • Compact enclosed protective cabinet.
Experience: 20+ Years B2B•Origin: US-Based Support
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Most orders process in 1-3 days. Yes, even if it weights 400lb
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Dedicated Rep Mathew
Speak to a US-Based Equipment Specialist: (888) 308-5580
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98% Moisture Removal • ISO Class 4 Dry Air • High Efficiency Cooling System
California Air Tools RD-91503 High-Efficiency Non-Recycling 98% Refrigerated Air Dryer
The California Air Tools RD-91503 High-Efficiency Non-Recycling 98% Refrigerated Air Dryer is a precision-engineered compressed air treatment solution designed to remove up to 98% of moisture from compressed air systems. Delivering ISO 8573 Class 4 dry air with a pressure dew point between 2–10°C, this refrigerated air dryer ensures clean, dry, and reliable airflow for a wide range of industrial, automotive, and workshop applications. Built for efficiency and consistent performance, it protects downstream equipment, improves air tool longevity, and enhances overall system reliability.
California Air Tools RD-91503 High-Efficiency Non-Recycling 98% Refrigerated Air Dryer Applications
General industrial compressed air systems requiring moisture removal
Automotive shops and paint applications needing dry, stable air
Dental, laboratory, and precision equipment air supply systems
Air tool operation requiring consistent, dry airflow
Workshops aiming to protect equipment from corrosion and moisture damage
Best for applications requiring ISO 8573 Class 4 dry air without the complexity of desiccant systems.
California Air Tools RD-91503 High-Efficiency Non-Recycling 98% Refrigerated Air Dryer Specifications
Model
RD-91503
Airflow Capacity
52.97 CFM
Working Pressure
29 – 145 PSI
Pressure Dew Point
2 – 10°C (35.6 – 50°F)
Dry Air Standard
ISO 8573 Class 4
Power Supply
220V / 60Hz / 1 Phase
Power Consumption
0.5 kW
Current Draw
1.5 Amps
Max Inlet Temperature
176°F
Max Ambient Temperature
104°F
Working Temperature Range
-5°C to +60°C (23°F to 140°F)
Inlet/Outlet Size
3/4" NPT
Refrigerant
R134A
Weight
88 lbs
Dimensions (L × W × H)
26.18" × 16.92" × 25.98"
California Air Tools RD-91503 High-Efficiency Non-Recycling 98% Refrigerated Air Dryer Performance & Construction
98% Moisture Removal Efficiency significantly reduces water content in compressed air systems.
ISO 8573 Class 4 Dry Air Output ensures reliable air quality for most industrial applications.
Stable Pressure Dew Point (2–10°C) protects tools and equipment from condensation and corrosion.
High-Efficiency Refrigeration System delivers consistent cooling and moisture separation.
Non-Recycling Design provides continuous operation with simplified maintenance.
Compact, Enclosed Cabinet Design protects internal components and fits easily in shop environments.
Low Power Consumption (0.5 kW) offers energy-efficient operation.
Integrated Cooling Fan and Ventilation ensures optimal thermal performance.
Durable Industrial Construction built for long-term reliability and consistent use.
California Air Tools RD-91503 High-Efficiency Non-Recycling 98% Refrigerated Air Dryer Installation & System Integration
Install directly after the air compressor output and before final air tools or applications.
Use a minimum 5-micron filter before the dryer to prevent contamination of internal components.
For improved pressure stability, install an auxiliary air tank upstream of the dryer.
Ensure proper airflow clearance around the unit for optimal cooling performance.
Proper installation improves drying efficiency, reduces pressure drop, and extends system lifespan.
Why Choose the California Air Tools RD-91503 High-Efficiency Non-Recycling 98% Refrigerated Air Dryer
Removes up to 98% of moisture for cleaner, drier compressed air.
Delivers ISO Class 4 air quality for a wide range of applications.
Energy-efficient and compact design for easy integration.
Protects tools, equipment, and air systems from moisture damage.
Simple, reliable alternative to more complex drying systems.
The California Air Tools RD-91503 High-Efficiency Non-Recycling 98% Refrigerated Air Dryer is an efficient and dependable solution for maintaining dry, high-quality compressed air in professional and industrial environments.
Key Information
Order Cutoff Time: 2:00 PM EST
Order Handling Time: 1–3 business days (Monday–Friday)
Transit Time: 1–7 business days (Monday–Friday)
Total Estimated Delivery Time: 3–11 business days (Monday–Friday)
Shipping Availability: Free Shipping On Most Items In The Contiguous United States only