Ao Smith 100110720 Fuse Kit 30A 300V

Product Description

The AO SMITH 100110720 is a fuse kit rated at 30 amps and 300 volts, designed to protect electrical circuits in water heating equipment from overcurrent conditions. This kit provides a direct replacement fuse assembly for restoring safe operation after a blown fuse event. Licensed plumbers, HVAC technicians, and water heater service professionals install this component as part of routine fault diagnosis and repair. The 30-amp rating and 300-volt capacity make it suitable for the protection demands typical of residential and light commercial water heater applications.

This fuse kit is used in water heating systems where overcurrent protection is required at the control or element circuit level. It is intended for service scenarios where the original fuse has opened due to a fault condition, surge, or component failure. Technicians should diagnose the root cause of fuse failure before installing the replacement to avoid repeat failures. This kit is appropriate for residential and light commercial water heater service calls.

Key Features

• 30-amp current rating provides defined overcurrent protection for water heater circuits
• 300-volt rating accommodates standard residential and light commercial supply voltages
• Kit format includes the necessary fuse components for a complete replacement
• OEM part number ensures direct fitment in compatible AO SMITH equipment

Compatibility

Designed as an OEM-style replacement fuse kit for AO SMITH water heating equipment requiring a 30-amp, 300-volt fuse assembly.

Installation Notes

Always disconnect power to the water heater at the breaker before servicing fuse components. This work is typically performed by a licensed plumber or HVAC technician. Before installing the replacement fuse, identify and correct the underlying fault condition that caused the original fuse to open. Follow local electrical codes and the equipment manufacturer service documentation when replacing protective fuse components.

Technical Specifications

• Product Type: Fuse Kit
• Current Rating: 30 amps
• Voltage Rating: 300 volts

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100110720