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Front view of Toro TMC-424E-ID indoor modular controller showing control dial, LCD, and module bays for expansion and operation.

Toro TMC-424E-ID Indoor Modular Controller, 4 to 24 Stations

Brand: Toro
Save 24%
$558.78
$426.07
SKU TMC-424E-ID
In Stock (8)

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The Toro TMC-424E-ID is an indoor modular irrigation controller expandable from 4 to 24 stations. It combines hot-swappable expansion modules with advanced scheduling, flow sensing, and robust surge protection for reliable, customizable irrigation control.

  • Modular expansion: starts at 4 preinstalled stations; add 4- or 8-station TSM modules to reach up to 24 stations without powering down.
  • Flow monitoring: real-time flow sensing compatible with Toro TFS sensors; detects leaks or line breaks and alerts the system.
  • Programs & flexibility: four independent programs, up to 16 start times and concurrent operation of up to 3 programs; station run times from 1 second to 8 hours.
  • Master valve & pump options: supports up to four master valve/pump relays with optional TSM-4F or TSM-8F modules.
  • Protection & reliability: two levels of surge protection (standard or high) and non-volatile memory that retains programs without batteries.
  • Power & enclosure: indoor-rated cabinet with 120 VAC (60 Hz) or 220/240 VAC (50 Hz) power options; compact dimensions 10 3/4" W x 10 1/4" H x 4 5/8" D.

Ideal for contractors, commercial sites, and advanced residential systems, the TMC-424E-ID delivers flexible station management, precise watering control, and straightforward servicing. Download the sell sheet and user guide linked on the product page for installation details, wiring diagrams, and programming examples.

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Frequently Asked Questions

What station range does the Toro TMC-424E-ID controller support?
Expandable from 4 to 24 stations using hot-swappable 4- or 8-station TSM modules; modules install without powering down.
How does flow sensing work on this controller?
Supports real-time flow monitoring compatible with Toro TFS sensors; it detects leaks or breaks and can pause or alert the system.
Can I add master valve or pump start relays?
Yes—up to four master valve/pump relays are supported using optional TSM-4F or TSM-8F modules, configurable by program or station.

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