The Ultimate Weathermatic - 4-zone Expansion Module For Sl1600/pl1600 - Slm4 Price Crushed By 90% [hy9V8k3o]

4-Zone Module for PL1600 & SL1600 ONLY.

• Adds 4 stations to the Weathermatic PL1600 & SL1600 Controller/Timer.
• The controller will automatically recognize the additional zones as they are installed. No special programming or resetting is required to initialize the modules.
• You can insert or remove a module without removing power from the controller.
• To install a module, push the module into the channels until you feel it lock in place. To remove a module, push DOWN on the center release panel on the top of the module and use the top tab to pull it out.

Note: Modules must be inserted in the sequence of numbered zones. Do not leave any gaps in module positions.