Intermatic T104R3 240V Pool Timer Switch – Steel Case

The Intermatic T104-R/T Time Switch (T104R3) is a heavy-duty mechanical timer designed to provide reliable, automatic control of 240-volt pool equipment such as pumps, heaters, and lighting circuits. Built with Intermatic’s proven clock-motor technology, this time switch delivers precise on/off scheduling for demanding outdoor and commercial applications.

The T104R3 features a steel outdoor enclosure with a beige finish, providing durable protection against weather, dust, and debris. Its mechanical dial and trippers offer dependable operation without the need for programming, batteries, or electronics—making it a trusted solution for pool professionals and service technicians.

This timer is commonly used in pool equipment pads where durability, simplicity, and long service life are required.

Why the Time Switch Matters

Proper scheduling protects equipment and reduces energy waste.

Why this matters:

• Automates pump and equipment run times

• Reduces electrical costs through scheduled operation

• Prevents equipment from running unnecessarily

• Provides consistent daily operation

• Eliminates reliance on electronic controls

A reliable mechanical timer helps extend equipment life while maintaining predictable system operation.

Designed for Pool & Outdoor Equipment Control

The Intermatic T104R3 is designed for 240-volt, single-phase equipment commonly found in pool and spa systems. It is rated for heavy electrical loads and is suitable for outdoor installation thanks to its steel enclosure.

This model is widely used for pool pumps, booster pumps, heaters, and other high-amperage applications.

Durable Steel Enclosure & Mechanical Reliability

Housed in a rugged steel case, the T104R3 is built to withstand outdoor environments and long-term use. Its mechanical clock mechanism is known for reliability and accuracy, continuing to operate even in harsh conditions where digital timers may fail.

No batteries, software, or programming interfaces are required—just set the trippers and the timer runs automatically.

Installation & Service Notes

For best results:

• Disconnect power before installation

• Mount the enclosure securely to a wall or post

• Wire according to Intermatic wiring diagrams

• Set on/off trippers for desired run times

• Verify proper operation before leaving the system unattended

Installation should be performed by a qualified technician or electrician.

Product Specifications

Buy with Confidence from Benchmark Pool Supply

When you purchase the Intermatic T104-R/T Time Switch T104R3 from Benchmark Pool Supply, you’re getting a proven control solution trusted by pool professionals. We stock reliable electrical components to help ensure safe, consistent operation of your pool equipment.

Benchmark Pool Supply is your dependable source for pool timers, controls, and electrical accessories.