# Intermatic T10404R 40A Mechanical Pool Timer

The **Intermatic T10404R** is a **40-amp mechanical time switch with enclosure**, designed to control high-voltage equipment such as **pool pumps, heaters, lighting circuits, and commercial loads**. This model operates on **208–277V** and features a **DPST (double-pole, single-throw)** switching mechanism capable of handling demanding electrical applications.

Trusted for decades in pool and commercial installations, the T10404R provides reliable, mechanical scheduling without relying on electronics or software.

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### Why Mechanical Timers Still Matter

Mechanical timers remain a preferred choice for pool equipment because of their durability, simplicity, and resistance to power surges. Unlike digital timers, mechanical timers continue operating accurately in harsh outdoor environments.

Common reasons to use or replace a mechanical timer include:

-   Reliable on/off scheduling without programming complexity
    
-   High load capacity for pumps and motors
    
-   Proven longevity in outdoor installations
    
-   Simple visual confirmation of operating schedule
    

The T10404R is especially well suited for installations where consistency and durability are critical.

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### Designed for 208–277V Applications

This timer is specifically rated for **208–277V systems**, making it ideal for commercial pools, multi-family properties, and higher-voltage residential equipment pads. The **DPST switching** allows both legs of the circuit to be controlled simultaneously, improving safety and compliance.

The included **metal outdoor-rated enclosure** protects internal components from weather and debris.

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### Common Pool Equipment Applications

The Intermatic T10404R is commonly used to control:

-   Single-speed and two-speed pool pumps
    
-   Booster pumps
    
-   Pool and spa lighting circuits
    
-   Heaters and auxiliary equipment
    

Installation should be performed by a qualified electrician or pool professional familiar with high-voltage wiring.

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## Product Specifications

Specification

Details

Product Name

Mechanical Time Switch with Enclosure

Manufacturer

Intermatic

Model Number

T10404R

Voltage Rating

208–277V AC

Amperage

40 Amp

Switch Type

DPST (Double Pole, Single Throw)

Horsepower Rating

Up to 5 HP @ 240V

Timer Type

Mechanical / Electromechanical

Enclosure

Outdoor-rated metal enclosure

Application

Pool pumps, lighting, high-load equipment

Condition

New

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## Why Buy From Benchmark Pool Supply

When you purchase electrical control equipment from Benchmark Pool Supply, you’re buying from a team that understands real-world pool equipment installations. We stock proven, contractor-grade components, ship from U.S. inventory, and help customers select the correct timer for their voltage and load requirements. Every order is handled by knowledgeable staff familiar with pool and spa electrical systems.

## Details

- **Price:** 349.95 USD
- **Vendor:** Intermatic
- **Type:** Automation & Electrical
- **Tags:** Lewis check pricing, Ready for Links, SEO Added

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 349.95 USD | In stock |

## Images

- Intermatic T10404R 40A Mechanical Pool Timer by Benchmark Pool Supply for pool equipment control

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> Source: [Benchmark Pool Supply](https://benchmarkpoolsupply.com/products/intermatic-t10404r)
> Updated: 2026-06-24