Which units or series does the Secop SC21CNX.2 compressor fit?

The SC21CNX.2 compressor is suitable for stationary and medical cooling solutions, as well as general low back pressure (LBP) refrigeration applications using R290 (Propane) refrigerant. Always confirm compatibility by checking the model number and specifications on your unit's data plate before ordering.

Does fitting the SC21CNX.2 compressor require a licensed tradesperson?

Yes, installation, repair, and decommissioning of this R290 refrigerant compressor must be performed by a technician holding a current ARCtick licence. All electrical work must also be carried out by a licensed electrician to ensure safety and compliance.

What do I measure or check to be certain before I order this compressor?

Before ordering, verify the model number (SC21CNX.2) and voltage (220-240V/50Hz) against your unit's data plate. Crucially, measure the discharge, process, and suction line diameters of your existing compressor to ensure the new connections match. Also, confirm the physical dimensions to ensure it fits the available space.

Secop SC21CNX.2 R290 LBP Compressor

$364.46 - $364.46

$364.46

$364.46 - $364.46

$364.46

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This is a genuine Secop SC21CNX.2 hermetic compressor for low back pressure (LBP) refrigeration applications. It operates on R290 (Propane) refrigerant with a 220-240V/50Hz power supply.

Part Identification

Brand: Secop
Part Number: SC21CNX.2
Manufacturer Code: 104H8166 (Variant 1), 104H8156 (Variant 2)
Part Category: Hermetic Compressor

No supersession data is listed for this part number.

Where This Part Is Used

Stationary cooling solutions
Medical cooling solutions
General refrigeration/freezing applications requiring propane (R290) refrigerant
Systems operating in a Low Back Pressure (LBP) range

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

Specifications

Power Supply	220-240V/50Hz
Refrigerant	R290 (Propane)
Application	LBP (Low Back Pressure)
Cooling Capacity (LBP)	962 W (ASHRAE)
COP (LBP)	1.45 W/W
Motor Type	CSIR (Capacitor Start, Induction Run)
Motor Speed	2900 rpm
Displacement	20.95 cm³
Oil Charge	550 cm³
Oil Type	POE
Height	219 mm
Weight	14.1 kg
Discharge Connector Ø	6.2 mm (Variant 1) / 6.5 mm (Variant 2)
Process Connector Ø	6.2 mm (Variant 1) / 6.5 mm (Variant 2)
Suction Connector Ø	10.2 mm (Variant 1) / 9.63 mm (Variant 2)
Connector Material	Copper

Check Before You Order

Confirm the exact compressor model number and operating voltage on your unit's data plate.
Verify that your system requires R290 (Propane) refrigerant.
Measure the suction, discharge, and process connector diameters on your existing compressor to ensure correct fitment.
Compare the physical dimensions of this compressor against the available space within the cabinet.

Fitting Notes

Ensure the system is fully isolated, de-energised, and locked out before commencing any work.
R290 (Propane) is a flammable refrigerant. All handling and brazing must comply with relevant safety standards and require specialist tools.
Installation, commissioning, and decommissioning of this compressor must be carried out by a technician holding a current ARCtick licence.
Electrical connections must be completed by a licensed electrician in accordance with Australian wiring regulations.

Ordering & Availability

This is a genuine Secop SC21CNX.2 compressor, sold individually. Current stock levels and estimated lead times are displayed at checkout. Order from HVAC Trade Supply.

Commonly Ordered With

Refrigerant recovery cylinders, R290-compatible filter driers, and appropriate isolation valves are commonly ordered with this compressor.