A hard start kit increases the efficiency of your refrigerator or freezer's compressor.
For DIYers, a three-in-one, pre-wired start kit like this one is your best option. It replaces all three electrical components at once, so you don't have to worry about accidentally damaging the compressor with mismatched parts. Use it with any 1/4 to 1/3 sized compressor.

Fits Several Compressor Types

Use this high-quality exact equivalent hard start kit with nearly any residential or commercial refrigerator system. Compatible compressor types include: RSIR, CSIR, PSC, and CSR.

Installation Instructions

1. Disconnect power supply.
2. Remove old relay and overload.
3. Push terminal connected to white wire on RCO onto start terminal of compressor.
4. Push terminal connected to red wire on RCO onto run terminal of compressor.
5. Push terminal connected to black wore on RCO onto common terminal of compressor.
6. Connect one-line wire which was removed from old relay to one of the line wires of the RCO, using wire nut.
7. Connect other line wire which was removed from the old Overload to other line wire of the RCO, using wire nut.