Which units or series does the SC21G fit, and how do I confirm against mine?

The Secop SC21G compressor is designed for large commercial refrigeration units requiring a 5/8 HP R134a medium back pressure compressor. Always confirm compatibility by checking the data plate of your existing unit and compressor before ordering.

Is the Secop SC21G a genuine/OEM part or an aftermarket equivalent?

The SC21G compressor is a genuine Secop OEM (Original Equipment Manufacturer) part. It provides the exact fitment and performance specifications as the original component.

Does fitting this part require a licensed tradesperson?

Yes, installation of the Secop SC21G compressor involves handling refrigerants and electrical work. This requires a current ARCtick licence for refrigerant handling and must be carried out by a licensed electrician where applicable.

Secop SC21G Compressor 5/8 HP R134a

$315.26 - $315.26

$315.26

$315.26 - $315.26

$315.26

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The Secop SC21G is a 5/8 HP R134a medium back pressure compressor. It is specifically designed for large commercial refrigeration systems requiring consistent cooling performance. This model is the highest-capacity in the Secop R134a medium back pressure range.

Part Identification

Part Number: SC21G
Brand: Secop
Part Category: Refrigeration Compressor
Manufacturer Code: 104G8140
No supersession data is listed for this part number.

Where This Part Is Used

Large commercial refrigeration units
Refrigeration systems requiring medium back pressure operation
Systems utilising R134a refrigerant

Model coverage can change across production runs — confirm against your unit's data plate before ordering.

Specifications

Specification	Value
Refrigerant	R134a
Horsepower	5/8 HP
Voltage	220–240V
Displacement	20.95 cm³
Performance (–20°C)	453W
Performance (+10°C)	1889W
Application	Medium Back Pressure (MBP)

Check Before You Order

Verify your unit's existing compressor is a Secop SC21G or compatible model by checking the data plate.
Confirm the refrigerant type is R134a and matches the compressor specification.
Check the compressor's rated voltage (220-240V) against your system's power supply.
Ensure the application requires a medium back pressure compressor for correct operation.

Fitting Notes

All refrigerant recovery and charging procedures must be performed by an ARCtick licensed technician.
Always isolate power and discharge capacitors before working on any electrical components.
Ensure correct oil charge and oil type are used upon installation for optimal compressor performance.
The refrigeration system must be thoroughly evacuated and leak-checked before recharging with refrigerant.

Ordering & Availability

The Secop SC21G compressor is a genuine OEM part. Sold individually unless a pack quantity is shown above. Current stock levels and lead times are displayed at checkout. Order from HVAC Trade Supply.

Commonly Ordered With

Commonly ordered with compressor oil, filter driers, and charging valves.