Lochinvar L100208808 Time Delay Fuse 250V 0.8A

Product Description

The LOCHINVAR L100208808 is a time delay fuse designed for use in high-efficiency fire tube boiler systems. Rated at 250 VAC and 0.8 amps, this fuse provides overcurrent protection for low-amperage control circuits within the boiler assembly. Time delay fuses are engineered to tolerate brief inrush currents during startup without nuisance tripping, while still opening reliably under sustained fault conditions. Licensed HVAC and boiler technicians typically handle this replacement during routine service or after a fault event. It is a direct OEM-specified component for the Lochinvar Knight fire tube boiler line.

This fuse is specified for use with the Lochinvar Knight Model KH55 to 285 Fire Tube Boiler series. It fits into the boiler control circuit and is typically accessed during a service call when control board diagnostics point to a blown fuse or when performing a post-fault inspection. This is a low-voltage, low-amperage protective device and should be replaced only with a fuse of identical rating to maintain proper circuit protection and system safety.

Key Features

• Time delay design tolerates startup inrush without nuisance tripping
• Rated 250 VAC for compatibility with standard boiler control circuits
• 0.8 amp rating provides precise overcurrent protection for sensitive control components
• OEM-specified part for Lochinvar Knight KH55 to 285 Fire Tube Boilers
• Direct replacement minimizes diagnostic complexity during service calls

Compatibility

Specified for use with the Lochinvar Knight Model KH55 to 285 Fire Tube Boiler series.

Installation Notes

Fuse replacement on a fire tube boiler should be performed by a licensed HVAC or boiler technician. Before servicing, shut off all electrical power to the boiler at the disconnect switch and allow the unit to cool if it has been operating. Always replace with a fuse of the exact same voltage and amperage rating — substituting a higher-rated fuse can damage control components or create an unsafe condition. Verify the root cause of the blown fuse before returning the system to service.

Technical Specifications

• Voltage Rating: 250 VAC
• Amperage Rating: 0.8 amps
• Fuse Type: Time Delay

Standard Information

• Brand: LOCHINVAR
• Manufacturer Part Number: L100208808