Smith 100271315 Limit Switch is a critical safety component engineered for high-performance hydronic and water heating systems

This Bard HVAC part is designed for specific system configurations to ensure proper refrigerant flow dynamics

providing the necessary reach for mounting in various cabinet or ducting configurations

Key Benefits Superior Acid Neutralization: Features highly activated desiccant for high acid capacity

Key Benefits for Technicians: OEM Compatibility: Replaces Nordyne 903422 and cross-references with part number 277622 for a direct-fit installation in M1SB and N3300 series furnaces

Fasco A251 Motor 319825-402 Smith 100271315 Limit Switch isWhen you're troubleshooting a failed draft inducer, the Fasco A251 Motor is a precision engineered 1 35 HP solution specifically designed for high efficiency venting applications. Operating at 208 230V, this single speed unit delivers a consistent 3000 RPM, ensuring the static pressure required to clear combustion gases from the heat exchanger. This motor is a direct OEM replacement for Skymark 7021 9136 and is frequently found in furnace and boiler