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Front view of Weathermatic ProLine PL800 indoor 4‑station modular irrigation controller showing display and terminal layout for installation and diagnostics.

Weathermatic ProLine PL800 4-Station Modular Indoor Controller

Brand: Weathermatic
Save 28%
$176.39
$127.88
SKU PL800
In Stock (6)

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Weathermatic ProLine controllers deliver professional irrigation control for small to medium landscapes. The PL800 (indoor) and PL1600 (outdoor) platforms are modular, easy to program, and include diagnostic tools that simplify installation and reduce downtime.

  • Modular expansion: 4‑station base that supports hot‑swappable expansion modules to increase zone capacity without replacing the controller.
  • Built‑in valve locator: Quickly identify and troubleshoot valves at the controller using the integrated locator function.
  • Real‑time milliamp display: Monitor solenoid current for fast fault detection and reliable diagnostics.
  • Flexible scheduling: Zone run times set from 1 minute to 9 hours 55 minutes, plus run/soak cycles, omit days, and custom watering patterns (odd/even or interval days).
  • Advanced program control: Seasonal percentage adjustment by program and by month, two independently programmed master valves, and programmable zone‑to‑zone delays.
  • Sensors & reliability: Rain/freeze sensing and rain delay options help prevent unnecessary watering; fault review displays open/shorted zones for quick service.

Each ProLine model ships with comprehensive documentation (installation instructions, quick start and owner’s manual) and is designed for irrigation professionals and informed homeowners who need dependable, serviceable controllers. See the included product literature for installation diagrams, electrical requirements, and module part numbers.

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Frequently Asked Questions

What is the difference between PL800 and PL1600?
PL800 is the indoor 4‑station modular base; PL1600 is the outdoor plastic 4‑station model with weather‑resistant housing.
Can I expand the zone count on ProLine controllers?
Yes. ProLine controllers use hot‑swappable expansion modules to increase zones without replacing the base controller; see the installation guide for compatible modules.
What run time range and scheduling options are available?
Zones can be set from 1 minute to 9 hours 55 minutes, with run/soak cycles, monthly seasonal % adjust, odd/even or interval day scheduling, and rain delay.