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Close-up of DOUBLER product label on black TSM valve control module showing wiring bundle and model branding, clear product detail.

TSM Doubler Automatic Valve Control - 2/4 Valve Splitter

Brand: TSM
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$196.85
$147.64
SKU DOUBLER
In Stock (19)

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The TSM Doubler lets you operate two or four irrigation valves from a single hot and common wire, eliminating the need to run new wiring. Compact and waterproof, the Doubler is designed for quick installation in valve boxes and to restore or expand irrigation zones without trenching.

  • Simple wiring: Connect the hot and common from your controller to the Doubler, then attach two red output wires to separate valves for independent control.
  • 24 VAC compatibility: Works with standard 24 VAC controllers and supports separate watering times for each valve.
  • Power and durability: Rated up to 8 amps per output and built with high-quality materials for long service life.
  • Compact, weatherproof design: 4" H x 2.7" housing with waterproof enclosure for reliable in-valve-box installation.
  • Easy expansion or repair: Add new valves, separate wet/dry areas, or bypass damaged valve wiring without digging or running extra wires.
  • Warranty and support: Includes a one-year full replacement warranty and free U.S.-based phone and online support.

Specifications: Input 24 VAC; Output 24 VAC; 18 gauge wiring; two- and four-valve configurations available. See the included Install Guide and Technical Specs for wiring diagrams, testing, and programming tips. Made in USA.

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Frequently Asked Questions

What controllers is the Doubler compatible with?
The Doubler works with standard 24 VAC irrigation controllers and supports separate watering times for each valve.
How many valves can one Doubler control?
Available in 2-valve and 4-valve models; each Doubler operates two or four valves from one hot/common wire.
Can I install the Doubler far from the controller?
Yes. The Doubler can be installed any distance from the controller; ensure proper waterproof connections and follow wiring guidelines.
What is the warranty for the Doubler?
The Doubler includes a one-year full replacement warranty against defects and U.S.-based phone and online support.

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