Intermatic
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Intermatic 156T1978A Time Switch Trippers for T100 Series Timers
Intermatic 156T1978A Time Switch Trippers for T100 Series Timers
Intermatic 156T1978A Time Switch Trippers for T100 Series Timers
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Intermatic 156T1978A Time Switch Trippers for T100 Series Timers
Intermatic 156T1978A Time Switch Trippers for T100 Series Timers
Intermatic 156T1978A Time Switch Trippers for T100 Series Timers
Maintain accuracy and energy savings with the Intermatic 156T1978A Time Switch Trippers for T100 Series Timers.
Intermatic 156T1978A Time Switch Trippers for T100 Series Timers
Item #: 12762

Intermatic 156T1978A Time Switch Trippers for T100 Series Timers

Item #: 12762

GBP 12

GBP 14

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

14%

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Order now and get it around Saturday, August 29
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Maintain accuracy and energy savings with the Intermatic 156T1978A Time Switch Trippers for T100 Series Timers.
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What Stands Out

Enhanced Compatibility
Designed specifically for T100 Series timers, ensuring perfect fit and optimal performance with your existing timer setup.
Durable Construction
Built with high-quality materials for longevity, these time switch trippers provide reliable performance, reducing the need for frequent replacements.
User-Friendly Installation
Easy to install without professional assistance, allowing users to quickly upgrade their timer functionality without hassle.

Product Details

Shop the Intermatic 156T1978A Time Switch Trippers for T100 Series Timers at Ubuy. Get the best prices and fast shipping on Ubuy Guernsey for all your time switch needs.
  • Metal tripper
  • 1 on tripper and 1 off tripper per set
  • Item Package Dimension: 6.0" L x 4.0" W x 0.3" H
  • Model Number: TMHDTRIP
Brand NameIntermatic
UPC710525824578 789610254248 782750021350 710525832061 852673903191 799331047616 710525812087 710525810021 710525812094
Number of Packs1
Global Trade Identification Number00078275002135
Unit Count1 Count
ManufacturerIntermatic
Number of Items1
Included ComponentsIntermatic 156T1978A On & Off Intermatic Time Switch Trippers Replacement
Model NumberTMHDTRIP
Manufacturer Part NumberTMHDTRIP
ColorBrass
Material TypeMetal
Item Dimensions D x W x H5.3"D x 8.2"W x 3.3"H (13.5 x 20.8 x 8.4 cm)
Item Weight18.14 g
BrandIntermatic
MaterialMetal
Product Dimensions (L x W x H)5.3"D x 8.2"W x 3.3"H (13.5 x 20.8 x 8.4 cm)

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners looking to automate outdoor lighting and appliances based on specific schedules for convenience.

  • Garden Enthusiasts

    Great for gardeners who need to schedule watering systems efficiently to maintain proper garden health and growth.

  • Business Owners

    Beneficial for business owners wanting to control lighting and systems automatically, enhancing energy efficiency and security.

Not Suitable For
  • DIY Beginners

    Not suitable for those inexperienced with electrical systems, as proper installation may require knowledge of wiring and timers.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are Intermatic 156T1978A Time Switch Trippers used for?

    Answer: Intermatic 156T1978A Time Switch Trippers are designed to control the operational timing of T100 series timers. These trippers enable users to easily set on/off schedules for various electrical devices, providing automated management of lighting, heating, or cooling systems. By adjusting these trippers, you can optimize energy use and enhance convenience, which is ideal for homeowners looking to automate outdoor lighting to deter intruders or ensure indoor systems operate when needed.
  • Question: How do I install the Intermatic 156T1978A Time Switch Trippers?

    Answer: Installing the Intermatic 156T1978A Time Switch Trippers is a straightforward process. Begin by removing the cover from your T100 series timer, and then insert the trippers into the tripper slots along the timer dial. Position the trippers according to your desired schedule for specific on/off times. This easy installation allows for efficient customization, accommodating various usage scenarios like garden lighting or holiday decorations, where timing is crucial.
  • Question: Can I program the T100 series timer to work with multiple devices?

    Answer: Yes, the T100 series timer, along with Intermatic 156T1978A Time Switch Trippers, can be programmed to control multiple devices simultaneously. By adjusting the trippers, you can create a coordinated schedule for multiple lights or appliances on the same circuit. This is useful for outdoor lighting setups, where you may want various lights to turn on or off at different times to create ambiance or improve security.
  • Question: What is the lifespan of Intermatic 156T1978A Time Switch Trippers?

    Answer: Intermatic 156T1978A Time Switch Trippers are designed for durability and consistent performance, typically lasting several years under normal operating conditions. Their longevity depends on how often they are used and the environment in which they operate. For example, using them in a stable climate with moderate cycles will extend their service life, making them a reliable choice for ensuring optimized energy management in various applications like landscape lighting.
  • Question: Are the Intermatic 156T1978A trippers compatible with any other timer models?

    Answer: The Intermatic 156T1978A Time Switch Trippers are specifically designed for the T100 series timers. While other trippers from the Intermatic range may have compatibility, it is essential to ensure that you are using the correct trippers for your specific timer model. This specialist design ensures functionality and ease of use, making them an ideal fit for users wanting hassle-free scheduling for devices such as pool pumps or exterior lighting.
  • Question: What if my T100 timer requires more than two trippers?

    Answer: If your T100 timer requires more than two trippers for your scheduling needs, you can purchase additional Intermatic 156T1978A Time Switch Trippers separately. Each timer allows for multiple trippers to be installed, offering flexibility in programming up to 12 on/off cycles per day with the right configuration. Whether you need scheduled control for landscape lighting or managing holiday lights, adding more trippers adapts to your unique requirements.
  • Question: Can I reset the timer after setting the trippers?

    Answer: Yes, you can reset your T100 series timer after setting the Intermatic 156T1978A Time Switch Trippers. Resetting allows you to start your schedule fresh or correct any timing mistakes made during the initial setup. This feature is particularly beneficial when managing seasonal lighting or outdoor decorations, as it allows you to adjust your settings based on changing requirements without needing to reinstall the trippers.
  • Question: Do I need any special tools to install the Intermatic 156T1978A trippers?

    Answer: No special tools are required to install Intermatic 156T1978A Time Switch Trippers. Installation is as simple as removing the timer cover and plugging in the trippers directly into the designated slots on your T100 series timer. This could save you the hassle of complex installation processes and make it feasible for DIYers to customize their lighting schedules easily and efficiently.
  • Question: Where can I buy Intermatic 156T1978A Time Switch Trippers for T100 Series Timers?

    Answer: You can purchase Intermatic 156T1978A Time Switch Trippers for T100 Series Timers from Ubuy. They offer a wide selection of electrical timers and accessories, making it convenient for you to find exactly what you need for your automation projects and home management solutions.
  • Question: Are there any safety considerations when using the T100 timer and trippers?

    Answer: When using the T100 timer with Intermatic 156T1978A Trippers, it's important to follow basic electrical safety guidelines. Ensure the timer is installed correctly, and avoid overloading circuits to prevent tripping breakers or creating fire hazards. Consider using the timer for devices that are designed to handle automatic control, such as lighting or fans, while also ensuring that all connections are secure to maintain safety during operation.

Intermatic Pool & Spa Replacement Parts TMHDTRIP Editorial Review

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The Intermatic 156T1978A Time Switch Trippers are replacement parts for existing timers. They work with most Intermatic and Tork brand timers. It is important to check the brand and model number of your timer before purchasing. These trippers come in a package of four, with two ON trippers and two OFF trippers. Customers have found that these trippers work well and have a long lifespan. However, it is worth noting that they may not fit certain timer models.

Customer Reviews & Ratings

2204 customers ratings
  • 5 Star
    81%
  • 4 Star
    13%
  • 3 Star
    4%
  • 2 Star
    1%
  • 1 Star
    1%

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Pros

  • Compatible with most Intermatic and Tork brand timers
  • Comes with two ON trippers and two OFF trippers
  • Long lifespan

Cons

  • May not fit certain timer models

Platform Trust & Buyer Confidence

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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GBP 12

GBP 14

Order now and get it around Saturday, August 29

QTY:

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Fastest cross-border delivery

Features & Benefits

  • High-quality Intermatic 156T1978A Time Switch Trippers for T100 Series Timers
  • Durable and reliable for accurate timing
  • Easy to install and replace
  • Allows you to schedule on and off times of electrical devices
  • Provides convenience and energy savings

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