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Durable construction designed for extended service life in demanding water heating applications
The low pressure air switch housing is zinc-plated to withstand industrial conditions and includes a 1/2 psi maximum pressure rating
provides a critical fail-safe position during power loss
ensuring a vibration-resistant fit to the Lennox furnace electrode
This SPST (Single Pole Single Throw) induction draft pressure switch is factory-calibrated to trip at a -
Trane SWT1711 Limit Switch Els PW 17895 Durable construction designed for extendedThe Trane SWT1711 Limit Switch is a critical OEM safety component designed for precise thermal regulation in Trane and American Standard residential and light commercial furnaces. This auto reset thermal limit switch features a SPST (Single Pole Single Throw) contact configuration, engineered to open at 200F and automatically close at 170F. As a "limit open on rise" control, it protects the heat exchanger by interrupting the 24V or 120V burner circuit