The Trane SWT1280 Limit Switch is a high-reliability OEM thermal protection component specifically engineered for HVAC furnace safety and consistent air handler performance

Common Questions Is the 7JE insert interchangeable with older 7J sleeves

typically required by local codes for rollout switches rather than primary limits

Professional Quality: OEM-grade gasket ensures compatibility and long-term reliability for contractor-level installations

This ensures all residual combustion gases are cleared from the heat exchanger

Lochinvar & A.O. Smith 100208251 Transformer Freon The Trane SWT1280 Limit SwitchThe Lochinvar & A. O. Smith 100208251 Transformer is a critical OEM replacement part designed for high efficiency hydronic systems. This 75VA control transformer steps down 120V primary power to a stable 24V secondary output, providing the necessary low voltage power supply for integrated boiler control boards and secondary circuits. As a direct equivalent to TRF2005 and TRF2005K, this component ensures seamless HVAC voltage conversion and system