Intermatic 208-277VAC 40A Mechanical Time Switch | T104R3
Intermatic
SKU: T104R3
Intermatic T104R3 24-Hour Mechanical Time Switch, DPST, 208-277V, Type 3R Metal Enclosure
Intermatic T104R3 is a heavy-duty 24-hour mechanical time switch designed for pool, spa, outdoor, commercial, and equipment control applications. It features a DPST switch, a weather-resistant Type 3R metal enclosure, and is built for dependable scheduled on/off control of compatible 208-277V loads.
Key Features
- Part Number: T104R3
- Brand: Intermatic
- Product Type: 24-hour mechanical time switch
- Input Voltage: 208-277 VAC, 60 Hz
- Switch Type: DPST (Double Pole Single Throw)
- Amperage Rating: 40A
- Outdoor Type 3R metal enclosure
- Supports up to 12 ON/OFF operations per day
- Manual override for convenient operation
- Commonly used for pool pumps, heaters, lighting, and other timed equipment circuits
- Includes ON/OFF trippers (standard with this timer style)
Applications
Ideal for pool and spa equipment control where a rugged mechanical timer is preferred, including pump circuits, booster pumps, lighting, and other outdoor equipment requiring scheduled operation on 208V, 240V, or 277V compatible systems.
Usage Notes
- Verify supply voltage and load requirements before ordering and installation.
- This model is commonly used for 240V pool equipment circuits, but confirm your exact application wiring needs.
- Install in accordance with manufacturer instructions and local electrical codes.
- Disconnect power at the breaker before servicing or wiring the timer.
- Professional installation by a qualified electrician is recommended.
Related Products
- Intermatic T104 Timer Products
- Intermatic Pool Timers
- Intermatic Timer Trippers
- Intermatic Timer Mechanisms
- Pool Timer Replacement Parts
Maintenance Tips
- Check the timer dial regularly to confirm it is advancing properly.
- Inspect trippers for wear and tighten/replace if switching becomes inconsistent.
- Keep the enclosure closed and sealed to reduce moisture and debris intrusion.
- Inspect wiring terminals periodically for heat discoloration or loose connections (power off first).
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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