2026 Upgraded T104M Mechanical Timer Switch (Mechanism Only), 208V-277V 40A DPST, 24-Hour Heavy-Duty Pool Timer for Pump/Water Heater/Lighting/HVAC, High-Contrast White Dial, with 4 Timer Trippers — Open-Box, 27% Off

2026 Upgraded Reliability: 1. Our T104M pool timer features reinforced trippers with a high-tension fastening design to prevent skipping the lever, ensuring accurate ON/OFF cycles (Note: please use pliers or tools to tighten/loosen trippers to ensure maximum stability). 2. The upgraded high-contrast white dial is crafted from heat-resistant, high-density material to prevent warping—making it the most durable pool pump timer for extreme heat.

5-Year Warranty: This T104M pool timer for pump is backed by an industry-leading 5-year warranty. Even beyond return window, we offer a hassle-free replacement service if you're not satisfied. Contact us via your order history, and we'll respond within 24 hours.

Reinforced Axle & High-Torque Motor: This mechanical timer switch features a reinforced mechanical axle that prevents loosening and misalignment over time, ensuring long-term timing accuracy. Paired with a new upgraded motor, it delivers reliable, powerful performance for years to come.

Heavy-Duty Electrical Rating: Compatible with 208V-277VAC and handles loads up to 40A. The DPST switch supports dual-circuit control, while the 24-hour dial allows up to 12 ON/OFF cycles per day with a minimum 1-hour setting. Can also function as a reliable wall switch timer for various applications, like swimming pool pumps, outdoor lighting, irrigation systems.

Easy Installation & Wide Compatibility: Clearly labeled terminals (Line, Load, Neutral, Ground) and a detailed wiring diagram make installation quick and easy (We recommend taking photos of the existing wiring before installation). A perfect replacement mechanical time switch for old models like T104MD89, T104P3, T10004R, and many more.(not replacement for timer T101 T101M T101R T103 T103R T103M T106 T106R T106M).

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