What is the difference between a Watlow PM6C1CA-AAAABAA and Watlow PM6C1CA-AAAAAAA
Both controllers have the same form, fit, function. The only difference are the program menu options. The PM6C1CA-AAAABAA comes with an EXPRESS program menu for thermal control and the PM6C1CA-AAAAAAA comes with an EXTENSIVE program menu for various control functions including thermal control, motor control, pump control, compressor control, valve control, ETC,ETC,ETC
What is the difference between model numbers beginning with a B after the first dash and those with an A after the first dash
The 1/16th DIN Watlow EZ-Zone PM controllers beginning with a B after the first dash have blue tooth communication capability. The blue tooth is user selected either on or off and there is no extra charge for this feature. Blue tooth allows viewing or programing the controller via a smart phone or blue tooth enabled pad using Watlow's EZ-Link software available free from Apple's app/store or Google/play store.