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Intermatic 156T1978A Timer Tripper Set — 1 ON & 1 OFF Replacement for T100, T7000 & WH40 Series
The Intermatic 156T1978A is a replacement tripper set for T-Series mechanical timers, supplying one ON tripper and one OFF tripper in a single package. It restores precise on/off scheduling to T100 Series, T7000 Series, and WH40 timer dials without requiring a full timer replacement. Compact and lightweight, it fits directly onto the existing timer dial with no tools required.
Compatibility
- Intermatic T100 Series mechanical timers
- Intermatic T7000 Series timers
- Intermatic WH40 water heater timers
What's Included
- 1 × ON tripper
- 1 × OFF tripper
Features
- Restores full on/off timing control to worn or missing tripper positions
- Multicolor coding distinguishes ON from OFF trippers at a glance
- Lightweight at 0.046 lbs — no added load on the timer dial mechanism
- 1-Year limited warranty
Technical Specifications
- MPN: 156T1978A
- Height: 5 in
- Width: 0.5 in
- Depth: 4 in
- Weight: 0.046 lbs
- Color: Multicolor
- Country of Origin: Mexico
- Warranty: 1-Year limited
Manufacturer Resources
Product Specs
- Applications:
- Indoor Lighting Control;Timing/Scheduling ON/OFF
- Country Of Origin:
- Mexico
- Marketing Description:
- Replacement tripper package for T100 Series, T7000 Series, and WH40 timer products. Includes 1 ON tripper and 1 OFF tripper for precise automated scheduling control.
- Product Color:
- Multicolor
- Product Height:
- 5 in
- Product Length:
- NA NA
- Product Weight:
- 0.046 lbs
- Product Width:
- 0.5 in
- Warranty Period:
- 1-Year limited
- Product Depth:
- 4 in
Intermatic 156T1978A – Frequently Asked Questions
How fast can I get the Intermatic 156T1978A delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Intermatic 156T1978A come with a warranty?
Absolutely. The Intermatic 156T1978A is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Intermatic 156T1978A?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Intermatic 156T1978A from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.