C450CCN1 Johnson C450CCN-1 System 450 2 SPDT controller System 450 control module. 24 volts. 2 SPDT relays rated at 9.8A @ 120, 4.9A @ 240 volts. Can be used with resistive or 0-5VDC input. Backlit LCD display can indicate degrees F/C, rH, IN/WC, bar or PSI. Order sensor separately.
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