Check the fluid temperature limits for your specific configuration

How do I calibrate the differential on the low side

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Key Benefits Universal Compatibility: Serves as the direct replacement for 3/4" and 1" Watts 909 and LF909 models

Is the SWT2522 compatible with American Standard furnaces

Trane SWT3256 Control 320788-704 Check the fluid temperature limitsThe Trane SWT3256 High Temperature Limit Switch is a critical safety component designed for heavy duty HVAC system protection in residential and commercial units. Featuring a wide 130 to 270 degree Fahrenheit operating range, this limit control switch monitors heat levels to prevent motor failure or hazardous overheating conditions in air handlers, furnaces, and heat pump systems. The 20 foot capillary tube provides extensive reach for remote