K-Rain - 3302 - Pro EX3 4-Station Modular Irrigation Controller (WiFi Enabled)
K-Rain - 3302 - Pro EX3 4-Station Modular Irrigation Controller (WiFi Enabled) is backordered and will ship as soon as it is back in stock.
Why so “cheap” at CheapSprinklers? Low prices by design — same parts, no compromise
Our prices are lower because of how we run our business — not because the product is different — and we pass those efficiencies directly on to you.
You’re receiving the same brand-new, factory-sealed item sold by big-box, supply-house, or bloated online-warehouse sellers — delivered direct to you, for less.
- Bulk Purchasing: We buy in high volume to lower per-unit cost
- Low Overhead: No physical storefronts or unnecessary middlemen
- Price-First Model: Our business is built around keeping everyday prices as low as possible — so you can put the savings toward other projects or your business.
- Fast & Efficient Fulfillment: Streamlined US warehouse operations keep costs down and orders moving fast.
The Result: Genuine products with full manufacturer warranty — delivered fast, without paying inflated big-box, supply-house, or bloated online-warehouse markups for the same parts.
CheapSprinklers Product Guarantee How we guarantee authenticity and warranty coverage
All products sold by CheapSprinklers are brand new and factory sealed. This K-Rain Modular Controller (3302) is sourced directly from K-Rain and ships from us in new-in-box retail packaging.
We’ve been sourcing and supporting irrigation products for professionals and DIYers through both brick-and-mortar and online channels since 1981.
If there’s ever an issue, CheapSprinklers stands behind what we sell and will help coordinate any warranty claim or replacement.
- Genuine New K-Rain Modular Controller: no knockoffs, no refurbished, no old stock
- Factory Sealed: shipped in original new-in-box retail packaging
- Current Production Inventory: no discontinued or clearance stock
- Complete K-Rain Warranty: full manufacturer coverage begins when your order is delivered
The Result: Peace of mind. You’re installing top-quality equipment — and if there’s ever an issue with this Modular Controller, you’re fully supported by CheapSprinklers and K-Rain.
PROEX3 Outdoor/Indoor WiFi Enabled (Sold Separately) 4-Base Station Hybrid Modular Irrigation Controller
The PRO-EX3 Wi-Fi-enabled controller is an indoor/outdoor irrigation controller that utilizes a hybrid modular and two-wire decoder system, designed to provide maximum installation flexibility. The unit consists of a master valve/pump start, test, common, sensor terminals and one pre-installed 4-station module. With the addition of separately sold 4-station and 8-station modules, the total modular station capacity can be expanded to a maximum of 24 stations. This capacity can be further increased to 40 stations through the installation of a 2-wire module supporting up to 36 stations, used in conjunction with the pre-installed 4-station module. The PRO-EX3 is also Wi-Fi-enabled when paired with the optional 3100-BRIDGE Wi-Fi module.
WiFi Enabled - simply add the 3100-BRIDGE WiFi Module (Sold Separately)
Key Features
- HYBRID Design: Modular + 2 Wire with Rapid Assign™ Decoder Pairing - Supports both conventional wiring modules (4- or 8-station) and 2-wire decoder technology for up to 40 stations
- Buried Valve Locator - Solenoid will pulse/vibrate to help locate lost valves; Enabled for Modular and 2-Wire path
- FlowLogic™ - Intelligent Water Flow Monitoring and Protection
- Smart Wi-Fi Capable: Access the K-Rain App with Adaptive Irrigation Mode (AIM) - Add K-Rain Wi-Fi Bridge (3100-Bridge) for remote control and monitoring via smartphone, tablet, or web browser
Features & Benefits:
- Rapid Assign ™ – Add decoders from the APP using QR codes and assign to any zone, at any time
- Hybrid Irrigation Controller – Supports both conventional wiring modules (4- or 8-station) and 2-wire decoder technology
- Maximum 40 stations: 4 conventional base stations + up to 24 conventional stations (3 × 8-station modules) or up to 36 two-wire stations
- Smart Wi-Fi Capable – Add K-Rain Wi-Fi Bridge (3100-Bridge) for remote control and monitoring via smartphone, tablet, or web browser
- New AIM (Adaptive Irrigation Mode) – Advanced smart weather-based watering system with adjustable limits that automatically optimizes irrigation when equipped with Wi-Fi
- Controller Sharing and Management – Can be shared for remote monitoring and management
- Buried Valve Locator Available with Modular and 2-Wire – Chatter feature works on modular or 2-wire path
- Patented Full Program Display – One screen shows watering days, number of start times, number of stations and special programming
- Sensor Ready – Flow Sensor and Rain Sensor or Rain/Freeze Sensor ready
- Diagnostic Circuit Breaker – Identifies and isolates stations/valves with wiring problems (shorts, faults) while the rest of the program continues
- Station Delay/Overlap Programming – Adjustable delay between stations or simultaneous operation for well recovery, slow-closing valves and water hammer prevention
- Wired/Remote Options – 2 Hard wired MV/PS terminals as well as 1 Remote MV/PS on the 2-wire system
- Permanent Memory – Non-volatile memory preserves programs during power outages
- Master Valve/Pump Start Ready – programmable per station as needed
- Advanced Features - Looping Functionality, Cycle and Soak, Zone Grouping (Up to 4 stations plus a master valve), and Seasonal Adjust – Global adjustment from 10–200% in 10% increments, Permanent Day Off – Set any day of the week as a non-watering day regardless of programming
- Built-in Level – Ensures easy, accurate leveling during installation
- Next-Gen Polymer Construction – Heavy-duty enclosure built for long-lasting performance
- Warranty - 3 Years
Dimensions
- Height: 8" (20,3 cm)
- Width: 10 1/2" (26,7 cm)
- Depth: 5 1/4" (13,3 cm)
Operating Specifications
- Station Run Times: 1 minute to 6 hours for all stations
- Number of Programs: 6 (A–F)
- Number of Automatic Start Times: 6 per program
Program Watering Schedules:
- Custom (day of the week)
- Interval (1-31 days)
- Odd (odd calendar days)
- Even (even calendar days)
Electrical Specifications
- Power Input: 110V AC 60Hz 240V AC, 50/60Hz
- Power Output: 24V AC 2A
- Power Backup: Lithium coin-cell battery maintains time and date
PRO-EX3 Accessories
3304 - Pro-EX3 4 Station Module
3308 - Pro-EX3 8 Station Module
3311 - Pro-EX3 Single Station Decoder
3322 - Pro-EX3 2 Wire Module
*WiFi Enabled - simply add the 3100-BRIDGE WiFi Module (Sold Separately)
Manuals & Literature
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