PRODUCT DESCRIPTION

PCM 900 Module for the Pro-C Indoor and Outdoor Controller

Add 9 zones to your existing Pro-C controller.  This is the black PCM-900 and will work with all Pro-C modular controller, old and new.  

How to expand your Pro-C:
  • To add 3 zones to your Pro-C, you need 1 PCM-300 MODULE (sold on a separate listing)
  • To add 6 zones to your Pro-C, you need 2 PCM-300 MODULES (sold on a separate listing)
  • To add 9 zones to your Pro-C, you need 3 PCM-300 MODULES (sold on a separate listing)
  • To add 12 zones to your Pro-C for the maximum number of available zones, you need 1 PCM-900 MODULE and1 PCM-300 MODULE (sold on a separate listing)
Note that GRAY PCM modules are old technology and will not work with new Pro-C controllers, and you CAN NOT use black and gray modules together.
PCM 900 Module for the Pro-C Indoor and Outdoor ControllerAdd 9 zones to your existing Pro-C controller.  This is the black PCM-900 and will work with all Pro-C modular controller, old and new.  How to expand your Pro-C:To add 3 zones to your Pro-C, you need 1 PCM-300 MODULE (sold on a separate listing)To add 6 zones to your Pro-C, you need 2 PCM-300 MODULES (sold on a separate listing)To add 9 zones to your Pro-C, you need 3 PCM-300 MODULES (sold on a separate listing)To add 12 zones to your Pro-C for the maximum number of available zones, you need 1 PCM-900 MODULE and1 PCM-300 MODULE (sold on a separate listing)Note that GRAY PCM modules are old technology and will not work with new Pro-C controllers, and you CAN NOT use black and gray modules together.