Description
Chicago Pneumatic CPXHT25 (H1) 25 SCFM High-Temperature Refrigerated Air Dryer, 3/4" NPT, 115V/1Ph - PN 4102001900
High-Temperature Moisture Removal for Reciprocating Air Compressor Systems
The Chicago Pneumatic CPXHT25 High-Temperature Refrigerated Air Dryer, part number 4102001900, is designed to remove moisture from compressed air systems operating with elevated inlet-air temperatures.
Rated for 25 SCFM at 100 PSIG, the CPXHT25 can accept compressed-air inlet temperatures up to 180°F. This allows it to be installed with many reciprocating air compressor systems without requiring a separate aftercooler.
The CPXHT25 combines a refrigerated air dryer, moisture separator, and electronic condensate drain in one compact package. As the compressed air is cooled, moisture condenses and is separated from the airflow before being discharged automatically.
With a 50°F pressure dew point, the dryer helps reduce water in compressed-air piping while protecting pneumatic tools, cylinders, paint equipment, production machinery, and finished products from moisture-related problems.
The CPXHT25 operates on standard 115-volt single-phase power and uses 3/4-inch NPT inlet and outlet connections, simplifying installation in automotive shops, maintenance facilities, woodworking operations, and other commercial compressed-air applications.
Manufacturer Part Number: 4102001900
Key Features and Benefits
Handles Inlet Temperatures Up to 180°F
The CPXHT25 is specifically engineered for high-temperature compressed air produced by reciprocating air compressors.
Its ability to handle inlet temperatures up to 180°F can eliminate the need for a separate aftercooler in properly sized applications.
25 SCFM Rated Capacity
The dryer is rated for 25 SCFM at 100 PSIG, making it a strong match for many 5 HP and 7.5 HP reciprocating air compressor systems.
Actual dryer capacity depends on operating pressure, ambient temperature, inlet-air temperature, and airflow demand.
50°F Pressure Dew Point
The CPXHT25 provides a pressure dew point of approximately 50°F ± 2°F, helping reduce liquid water formation in downstream piping and equipment.
Integrated Moisture Separator
The built-in moisture separator removes condensed water from the compressed-air stream after cooling.
Electronic Condensate Drain
An integrated electronic water drain automatically discharges collected condensate, reducing the need for manual draining and helping maintain dependable dryer performance.
Stainless Steel and Copper Heat Exchanger
The stainless steel and copper heat exchanger provides dependable thermal transfer while supporting long-term performance in demanding compressed-air applications.
115V Single-Phase Power
The CPXHT25 operates on 115V single-phase, 60 Hz power, eliminating the need for specialized three-phase electrical service.
Compact Footprint
Measuring approximately 14 inches long, 15 inches wide, and 18 inches high, the CPXHT25 provides high-temperature drying capability without consuming excessive floor space.
Quiet Enclosed Design
The dryer’s internal layout and enclosed cabinet help reduce operating noise, making it suitable for installation near active work areas when proper ventilation is provided.
Maximum Pressure of 232 PSIG
The CPXHT25 is rated for compressed-air systems operating at pressures up to 232 PSIG.
Helps Protect Pneumatic Equipment
Removing moisture from compressed air helps protect:
- Pneumatic tools
- Air cylinders
- Impact tools
- Tire-service equipment
- Paint equipment
- Regulators and control valves
- Production machinery
- Compressed-air piping
Helps Improve Finished Product Quality
Dryer air can help reduce moisture-related defects in paint, finishing, fabrication, assembly, and production applications.
Standard Features
- 25 SCFM rated airflow at 100 PSIG
- Maximum inlet-air temperature of 180°F
- 50°F pressure dew point, ±2°F
- 232 PSIG maximum operating pressure
- 115V single-phase electrical power
- 60 Hz operation
- 3/4-inch NPT air connections
- Stainless steel and copper heat exchanger
- Integrated refrigerated air dryer
- Built-in moisture separator
- Electronic condensate drain
- Compact enclosed design
- Quiet operation
- Air-cooled refrigeration system
- R-134a refrigerant
- Designed for high-temperature compressor discharge air
- Suitable for many 5 HP and 7.5 HP reciprocating compressors
Technical Specifications
| Specification |
Details |
| Manufacturer |
Chicago Pneumatic |
| Model |
CPXHT25 (H1) |
| Manufacturer Part Number |
4102001900 |
| Dryer Type |
High-temperature refrigerated air dryer |
| Rated Airflow |
25 SCFM |
| Rated Flow Conditions |
100 PSIG |
| Pressure Dew Point |
50°F ± 2°F |
| Maximum Inlet-Air Temperature |
180°F |
| Maximum Ambient Temperature |
113°F |
| Minimum Ambient Temperature |
41°F |
| Maximum Working Pressure |
232 PSIG |
| Air Inlet Connection |
3/4-inch NPT |
| Air Outlet Connection |
3/4-inch NPT |
| Voltage |
115V |
| Phase |
Single phase |
| Frequency |
60 Hz |
| Heat Exchanger |
Stainless steel and copper |
| Moisture Separator |
Included |
| Electronic Condensate Drain |
Included |
| Refrigerant |
R-134a |
| Approximate Length |
14 inches |
| Approximate Width |
15 inches |
| Approximate Height |
18 inches |
| Approximate Weight |
57 pounds |
Recommended Applications
The Chicago Pneumatic CPXHT25 is well suited for:
- Automotive repair shops
- Collision repair and body shops
- Tire-service facilities
- Fleet-maintenance departments
- Woodworking shops
- Cabinet shops
- Small fabrication facilities
- Maintenance departments
- Light manufacturing
- Paint and finishing operations
- Pneumatic assembly equipment
- Air-operated tools
- Commercial garages
- Small production facilities
- Reciprocating air compressor systems
- 5 HP and 7.5 HP compressor applications
The dryer should be sized according to the compressor’s actual airflow, operating pressure, inlet-air temperature, and maximum ambient temperature.
Why Choose a High-Temperature Refrigerated Air Dryer?
Compressed air leaving a reciprocating compressor can be extremely hot. A conventional refrigerated dryer may not be designed to accept that elevated temperature without a separate aftercooler.
The CPXHT25 is engineered to accept inlet temperatures up to 180°F, making it particularly useful for piston compressor installations.
Potential advantages include:
- May eliminate the need for a separate aftercooler
- Reduces installation complexity
- Saves valuable floor space
- Reduces external piping requirements
- Removes condensed moisture automatically
- Helps protect downstream equipment
- Reduces water accumulation in air lines
- Helps reduce manual air-line purging
- Supports more consistent compressed-air quality
- Helps reduce moisture-related downtime
Benefits of Dry Compressed Air
Atmospheric air naturally contains water vapor. When air is compressed, that moisture becomes concentrated. As the compressed air cools inside the receiver tank and piping system, the moisture can condense into liquid water.
Excessive moisture can contribute to:
- Internal corrosion
- Damaged pneumatic tools
- Sticking air cylinders
- Rust inside compressed-air piping
- Contaminated paint finishes
- Fisheye defects
- Increased equipment maintenance
- Reduced production quality
- Frozen exterior air lines
- Unplanned downtime
The CPXHT25 cools the compressed air, separates condensed moisture, and automatically discharges the collected water.
Air Treatment Recommendations
A refrigerated dryer primarily removes water vapor and condensed moisture. Some applications may require additional air treatment for particulate contamination, oil aerosols, odors, or other contaminants.
Depending on the application, the compressed-air system may also require:
- Automatic receiver-tank drain
- General-purpose particulate filter
- High-efficiency coalescing filter
- Activated-carbon filter
- Pressure regulator
- Oil-water separator
- Point-of-use air treatment
Paint spraying and sensitive production applications may require additional treatment beyond the refrigerated air dryer.
Installation Considerations
The CPXHT25 should be installed indoors in a clean, well-ventilated location with adequate space for inspection and maintenance.
Before installation:
- Confirm that system airflow does not exceed the dryer’s rated capacity.
- Verify that the dryer is suitable for the actual inlet-air temperature.
- Confirm that operating pressure does not exceed 232 PSIG.
- Confirm that ambient temperature remains between 41°F and 113°F.
- Provide a 115V single-phase, 60 Hz electrical supply.
- Verify that the electrical circuit meets the dryer’s nameplate requirements.
- Use properly sized 3/4-inch compressed-air piping.
- Confirm the correct compressed-air flow direction.
- Keep the condenser and ventilation openings clear.
- Prevent heated exhaust air from recirculating into the dryer.
- Route the electronic drain discharge to an approved condensate collection or treatment system.
- Provide isolation valves to simplify future service.
- Avoid placing unnecessary restrictions in the inlet or outlet piping.
- Maintain the manufacturer’s recommended service clearances.
- Check the compressed-air system for leaks after installation.
Installation should be completed according to the supplied operating instructions and all applicable electrical, plumbing, and safety codes.
Routine Maintenance
Routine inspection helps maintain moisture removal, cooling performance, and dependable operation.
Typical maintenance includes:
- Verify that the electronic condensate drain is operating.
- Inspect the drain discharge line for restrictions.
- Keep the condenser and ventilation openings clean.
- Remove accumulated dust and debris from cooling surfaces.
- Check the dryer for unusual noise or vibration.
- Inspect compressed-air fittings for leaks.
- Verify that inlet temperature remains within the rated limit.
- Confirm that ambient temperature remains within the allowable range.
- Inspect the electrical cord and connections.
- Check for excessive pressure drop through the dryer.
- Follow the maintenance instructions supplied with the unit.
Maintenance frequency may vary depending on operating hours, dust levels, ambient temperature, humidity, and compressor operating conditions.
Basic Troubleshooting
Water Is Present Downstream
Check the electronic drain, drain discharge line, inlet temperature, airflow demand, ambient temperature, operating pressure, and dryer ventilation.
The dryer may be undersized if actual operating conditions exceed its rated capacity.
Electronic Drain Does Not Discharge
Check the drain’s electrical connection, timer operation, discharge tubing, isolation valve, and condensate outlet for blockage.
Dryer Does Not Start
Check the electrical outlet, circuit protection, power cord, dryer switch, and incoming voltage.
Dryer Runs but Does Not Remove Moisture
Verify that the refrigeration system is operating, the condenser is clean, the drain is functioning, and inlet conditions remain within the dryer’s ratings.
Excessive Pressure Drop
Inspect the compressed-air piping, valves, fittings, heat exchanger, and downstream air-treatment components for restrictions.
Dryer Shuts Down or Runs Hot
Check ambient temperature, ventilation clearance, condenser cleanliness, and whether heated exhaust air is recirculating into the unit.
Excessive Condensate in the Air System
Confirm that the receiver tank is being drained and that the dryer is installed and sized correctly for the compressor’s airflow and discharge temperature.
Refrigeration-system repairs, electrical repairs, internal pressure-system repairs, and major service should be completed by qualified personnel.
Frequently Asked Questions
What is the rated capacity of the CPXHT25?
The CPXHT25 is rated for 25 SCFM at 100 PSIG.
What is the manufacturer part number?
The manufacturer part number is 4102001900.
What makes this a high-temperature dryer?
The CPXHT25 can accept compressed-air inlet temperatures up to 180°F, allowing it to work with many reciprocating compressor systems without a separate aftercooler.
What pressure dew point does it provide?
The CPXHT25 provides a pressure dew point of approximately 50°F ± 2°F.
Does the dryer include a moisture separator?
Yes. The CPXHT25 includes an integrated moisture separator.
Does it include an automatic condensate drain?
Yes. The dryer includes an electronic condensate drain that automatically discharges collected moisture.
What electrical service is required?
The CPXHT25 requires 115V single-phase, 60 Hz electrical power.
What size are the air connections?
The dryer uses 3/4-inch NPT inlet and outlet connections.
What is the maximum operating pressure?
The maximum working pressure is 232 PSIG.
What is the allowable ambient temperature range?
The dryer is designed for ambient temperatures between 41°F and 113°F.
What refrigerant does the CPXHT25 use?
The CPXHT25 uses R-134a refrigerant.
Does this dryer remove oil?
The refrigerated dryer primarily removes moisture. Additional coalescing filtration may be needed to remove fine oil aerosols.
Is this dryer suitable for a 5 HP air compressor?
Yes. It is commonly paired with properly sized 5 HP reciprocating air compressors.
Is it suitable for a 7.5 HP air compressor?
It can be suitable for a 7.5 HP compressor when the compressor’s actual output and operating conditions remain within the dryer’s rated capacity.
Does the dryer replace an aftercooler?
Its high-temperature design can eliminate the need for a separate aftercooler in properly sized applications with inlet temperatures up to 180°F.
Can this dryer be used for automotive painting?
Yes, provided it is properly sized. Paint applications may also require coalescing and point-of-use air treatment depending on the required finish quality.
Where should the condensate drain discharge be routed?
Condensate should be routed to an appropriate collection or oil-water separation system according to applicable regulations.
Why Buy from Compressed Air Advisors Online?
Compressed Air Advisors Online provides knowledgeable compressed-air equipment selection, system guidance, premium industrial products, and nationwide delivery.
Our team can help determine whether the Chicago Pneumatic CPXHT25 provides the correct capacity, inlet-temperature rating, operating pressure, connections, and electrical configuration for your compressed-air system.
When you need dependable air-treatment equipment backed by practical compressed-air knowledge, Compressed Air Advisors Online is your compressed-air partner.
