The HydroRain HRC-100 is a simple, reliable irrigation controller built for residential and commercial zones. Available in 4, 6, 9 or 12-station models, the HRC-100 pairs straightforward programming with water-saving controls and a weatherproof indoor/outdoor enclosure for long-term field use. Three independent programs (A/B/C) with up to four start times per program for flexible scheduling and up to 12 automatic starts daily. Water budgeting adjusts seasonal run times from 10% to 200% in 10% increments to conserve water and match seasonal needs. Station timing from 1 to 240 minutes with manual advance/skip and one-button manual station operation for quick testing and maintenance. Durable indoor/outdoor UL-listed cabinet with locking cover and tool-less, color-coded wiring terminals for fast installation. Built-in surge protection (MOV), 24–26 VAC transformer output (600 mA), pump/master valve terminal, and 3V lithium backup that preserves programs in non-volatile memory. Designed for compatibility with standard rain/freeze sensors and common 24 VAC valves, the HRC-100 is backed by Hydro-Rain documentation and a multi-year parts warranty. Choose the variant that matches your system (HRC-100-C-04, -06, -09, or -12); consult the included technical PDF for wiring diagrams and full electrical specifications.
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