Weathermatic PL1600, ProLine Expandable 4 Station Controller

Weathermatic Proline 4-16 Station Controller (PL1600) 4-Zone Base Model, Expandable to 16 Zones, 120 VAC / 60 Hz

Weathermatic PL1600 ProLine 4-station controller The PL1600 is the ProLine 4-station base controller. It runs four zones and expands to 24 with slide-in modules. It shares the SmartLine module architecture but runs on a standard timer, no ET smart watering. Specifications Base stations 4 Max stations 24 (SLM4 to 16, SLM12 to 24) Programs 4 (A, B, C, D) Start times 8 per program Run time 1 min to 9 hr 55 min Input voltage 115V 60Hz or 230V 50Hz, internal transformer Sensor input Rain/freeze with bypass button and status LEDs Rain delay 1 to 7 days Pump/master valve Two outputs, second user-assignable Rating Indoor/outdoor Diagnostics on the panel The backlit LCD reads volt and amp by zone, transformer output, and backup battery. That tells you which zone shorted before you dig for the valve. Need ET-based smart watering on the same module platform? Step up to the Weathermatic SL1600 SmartLine . Add rain and freeze shutoff with the Weathermatic RFS5 sensor .