Supco RO81 Snap On Relay/Overload Combo (1/12 – 1/5 HP) Capacitor

The Supco RO81 Snap On Relay/Overload Combo (1/12 – 1/5 HP) Capacitor is a Supco capacitor for HVAC repair and replacement work. Use it when the part number RO81 and the listed specifications match the equipment being serviced.

SUPCO offers the most complete line of refrigeration relays, overloads and hard starts in the industry. For refrigeration systems with and without run capacitors, just choose the right combination for your application. All combinations are pre-wired for fast installation. Features: RO series features “snap-on” bracket Locked rotor protection eliminates start winding overheating Can be used with and without start capacitor motors from 1/4 to 1/3 hp UL Recognized

Key Specs

• Type: Relay
• Voltage: 115V
• Horse Power: 1/12-1/5
• Product Type: Capacitor

Expert Verdict

Reviewed by the SuperArbor Pro Desk: choose this part when the existing component label and unit documentation match RO81 and the spec set above. It is best suited for targeted HVAC service repairs where exact fitment matters more than broad universal compatibility.

FAQs

What is the Supco RO81 used for?

It is a capacitor for compatible Supco HVAC equipment. Match the part number RO81 and the equipment service literature before ordering or installing.

Which specs should I verify before purchase?

Verify the spec set shown for this part: Type: Relay; Voltage: 115V; Horse Power: 1/12-1/5; Product Type: Capacitor. The replacement should match the existing component and the unit documentation.

Does the electrical rating need to match exactly?

Yes. Confirm voltage rating 115V against the failed component label. Do not substitute a different rating unless the equipment manufacturer allows it.

Is this an OEM-style replacement part?

Use it as a direct replacement only when Supco documentation lists RO81 or an approved equivalent for the unit being serviced.

Who should install this HVAC component?

A qualified HVAC technician should install and test the capacitor. Disconnect power first, follow lockout procedures, and confirm safe operation after replacement.

Safety and Installation Notes

Disconnect power before service. HVAC electrical and combustion-related components should be installed and tested by a qualified technician. After installation, confirm wiring, mounting, airflow or fluid routing as applicable, and normal system operation.