Intermatic
Intermatic On/Off Trip. Timer Trippers 1 On 1 Off For T100 Series-ITM156T1978A
Warranty coverage included.
Order now — estimated delivery in 2–5 business days
Typically ships within 1 business day — free, with tracking
Ships within 1 business day. Most orders arrive in 2–5 business days with tracking.
30-day returns. Unopened items returnable; damaged arrivals made right, fast.
Not sure this fits your setup?
Call 602-529-1901 — a real pool pro will confirm compatibility before you order.
Product overview
Intermatic · Part # ITM156T1978A
Brand:Intermatic
Part Number:ITM156T1978A
Enhance the precision and control of your pool or spa equipment with the Intermatic On/Off Trip Timer Trippers, specially designed for the T100 Series. The ITM156T1978A set includes 1 On and 1 Off tripper, allowing you to customize your timer settings for optimal automation.
Designed for compatibility with the T100 Series timers, these trippers provide a simple and effective way to schedule the operation of your pool or spa equipment. The On tripper activates your equipment, while the Off tripper signals the end of the designated time period, offering you automated control over your pool system.
Constructed with durability in mind, these timer trippers ensure reliable and consistent performance, even in demanding pool environments. Upgrade your T100 Series timer with the Intermatic On/Off Trip Timer Trippers for precise scheduling, efficient energy management, and peace of mind in managing your pool or spa equipment.
Warranty, shipping & compatibility
This product is covered by our warranty. Professional installation is recommended for equipment items to ensure proper electrical setup, plumbing connection, and programming. Before ordering, confirm your voltage, plumbing size, and any automation requirements — or simply call us at 602-529-1901 and we'll verify the right model for your system.
Shipping is free nationwide on every order. In-stock items leave our dock within 1 business day and typically arrive within 2–5 business days; oversized equipment like heaters ships by freight carrier with delivery scheduling. Unopened products can be returned within 30 days — and if anything arrives damaged, we'll take care of it immediately.
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