24-Hour Mechanical Timer
24-Hour Mechanical Timer – Heavy Duty 15A Programmable Outlet Timer for Grow Lights & Appliances
This reliable 24-hour mechanical timer is designed to automate everyday electrical devices such as grow lights, ventilation systems, pumps, and other 120V equipment. Built for consistency and ease of use, it allows you to set repeating daily schedules without complicated programming.
With simple 15-minute interval tabs, the timer makes it easy to create precise on/off cycles throughout the day. Its rugged housing and dependable internal mechanism are designed for long-term use in home, greenhouse, or commercial environments.
Product Features
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24-hour repeating cycle with easy mechanical dial
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15-minute on/off programming increments
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Rated for up to 15 amps / 1,725 watts at 120V
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Standard grounded plug and outlet for universal compatibility
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Manual override switch for continuous power or timed operation
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Built-in indicator light shows when power is active
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Durable housing designed for long-term reliability
Ideal Uses
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Grow lights and horticultural lighting systems
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Greenhouse ventilation fans
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Hydroponic pumps and circulation equipment
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General household appliance automation
Frequently asked questions
How do I use a timer for my grow lights?
Plug the timer into the outlet, plug your grow light into the timer, then push down the 15-minute tabs for the hours you want the light on — typically 14–16 hours for seedlings. The dial repeats that schedule automatically every day, so your lights cycle on and off without you.
How many hours should grow lights be on for seedlings?
Most seedlings do best with 14–16 hours of light per day followed by darkness. A 24-hour timer makes hitting that window effortless — set it once and the same cycle repeats daily.
What's the difference between a mechanical and digital timer?
A mechanical timer uses a physical dial with interval tabs — simple, reliable, and nothing to program or reset after a power blip. Digital timers offer more complex schedules but require setup and sometimes batteries. For a steady daily grow-light cycle, a mechanical timer is the easiest, most dependable choice.
Can this timer handle grow lights, fans, and pumps?
Yes. It's rated for up to 15 amps / 1,725 watts at 120V, which covers typical grow lights, ventilation fans, and hydroponic pumps. Check your device's wattage stays within that limit.