Supco SPP7S Super Seven Hard Start Kit

Description

Supco SPP7S Super Seven Hard Start Kit Overview

The Supco SPP7S Super Seven Hard Start Kit is a professional-grade compressor starting solution engineered to dramatically improve the startup performance of single-phase air conditioning and refrigeration compressors. By delivering a powerful boost of starting torque, the SPP7S helps compressors start reliably even under adverse conditions such as low voltage, high head pressure, or worn equipment — reducing nuisance lockouts and extending the operational life of the compressor.

Key Features

• All-in-one hard start kit combining a start capacitor and solid-state start relay in a single assembly
• Increases compressor starting torque for reliable starts under difficult conditions
• Reduces inrush current and startup amperage draw, protecting electrical components
• Helps prevent compressor failure due to hard-start conditions, low voltage, or high head pressure
• Solid-state relay design eliminates mechanical relay wear for long service life
• Compact design for easy installation in tight equipment spaces
• Compatible with a wide range of single-phase residential and light commercial HVAC and refrigeration compressors
• Simple three-wire installation — no special tools required

Benefits

• Extends compressor life by reducing mechanical and electrical stress at startup
• Reduces callbacks and service calls caused by compressor hard-start failures
• Ideal for aging equipment, systems with long refrigerant line sets, or areas with known low-voltage conditions
• Trusted Supco quality — a leading name in HVAC/R electrical components

Applications

• Residential and light commercial air conditioning systems
• Heat pumps
• Refrigeration equipment with single-phase compressors
• Systems experiencing hard-start or no-start conditions

Why Choose the Supco SPP7S?

The SPP7S is the go-to hard start kit for HVAC technicians who need a reliable, easy-to-install solution for compressor starting problems. The Super Seven designation reflects its broad compatibility and robust performance across a wide range of compressor sizes and equipment types. Whether you’re performing a preventive maintenance upgrade or troubleshooting a compressor that won’t start, the SPP7S delivers the starting torque needed to get the job done.