Hard Start Kit, Relay, Capacitor, Overload, ERP410, RCO410, HS410, WRX-4

⚡ Refrigeration Hard Start Kit | Relay • Capacitor • Overload | Replaces RCO410 / HS410 / WRX‑4

Brand new Universal Refrigeration Hard Start Kit, part ERP410. Designed as a direct replacement for RCO410, HS410, WRX‑4, and other OEM 3‑in‑1 kits for 1/4–1/3 HP compressors.

This all‑in‑one module replaces the relay, overload, and start capacitor on capillary refrigeration systems. Ideal for stubborn compressors, older refrigerators, freezers, and commercial units that struggle to start under load. Fully pre‑wired for fast installation.

Key Features & Benefits

• All‑in‑One Design — Relay, overload, and start capacitor combined in one module
• Quick Installation — Pre‑wired with color‑coded leads and printed instructions
• Reliable Performance — Provides a strong torque boost for hard‑starting compressors
• Versatile Use — Works on domestic and commercial refrigerators & freezers
• Universal Fit — For capillary systems 

Technical Specifications

• Model: ERP410 / RCO410
• Horsepower Range: 1/4 HP – 1/3 HP
• Voltage: 115V AC
• Capacitance: 243–292 MFD
• Max Running Load: 6.8 Amps
• Max Locked Rotor: 25 LRA
• Mounting: Quick‑connect terminals
• Wire Colors: White (Start), Black (Common), Red (Run)

Replaces Part Numbers

RCO410
HS410
WRX‑4
Supco RCO410
Whirlpool 8201786
GE WR7X134
Frigidaire 5303912634
Other OEM 3‑in‑1 kits for 1/4–1/3 HP compressors

Compatible Models

(Universal hard‑start kit — not model‑specific)

️ Ideal Use

• Capillary refrigeration systems (with or without run capacitor)
• Older refrigerators or freezers with hard‑starting compressors
• Replacing failed relays, overloads, or start capacitors in one step

⚠️ Installation Tips

• Disconnect power before servicing
• Remove old relay and overload from compressor
• Mount using quick‑connect terminals
• Match wire colors to compressor terminals as labeled
• Verify compressor starts smoothly after installation

Restore strong, reliable compressor startup with this universal ERP410 3‑in‑1 hard start kit.