DEWENWILS Outdoor Pool Pump Digital Timer Box, 7-Day 20 ON/Off Programmable Timer Switch-F1SHODT01B

  • ETL Listed For Safety
  • 5 Modes & Multi- Setting
  • Max 40A, 120-277 VAC 2HP
  • For Water Heater, Pool Pump, SPA
  • -40℉to 140 ℉ Operation Temperature
$44.99 USD
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How to Choose Your Pool Timer Box?

1. Confirm the operating voltage of your device.
Device load will be different at different voltages
Our Timer Box can work at 120/240/277VAC.

2. Confirm the type of your device.
Please refer to the table below to find your device type.

3. Confirm the Total Max. Load and the Max. Device of your device type at its operating voltage.
According to the operating voltage and the device type, you can find the Total Max. Load and the Max. device of the Pool Timer Box in the table below.
If your device load is less than the Total Max. Load and the number of the devices is less than or equal to the Max. Device, please buy without any other concerns.

Please note: Our Timer Box only controls the pump on or off, not the speed of the pump.

【HIGH-POWER LOAD】 Maximum 40 Amp 120-277 VAC 2HP load, multi-voltage (120Vac or 208-277Vac) operation from 120-277 VAC. Ideal for heavy-duty indoor/outdoor applications such as water heaters, pool pumps, fountains, spas, mowers, air conditioners, and other equipment motors. It can control one or two devices simultaneously.

【OUTDOOR RATED】 ETL listed, the waterproof and well-sealed plastic shell prevents rainwater and dust from entering the junction box along the aperture. The operating temperature is from -40℉ to 140 ℉. A thinner box is designed to save space.

【5 MODES & MULTI-SETTINGS】 Up to 20 on/off settings per week, with always on/off random, DST modes to schedule your connected devices. The MODE button can also be used as a manual switch to turn it on/off or switch modes at any time. Settings repeat once a week, and the built-in backup battery can hold all settings for 3 months even in case of a power outage to avoid having to reset them repeatedly.

【EASY TO INSTALL】 The timer module is removable, so it can be disassembled from the box to provide enough space and convenience for wiring and settings. The wiring holes have 2 sizes (1/2'' and 3/4’’) to choose from, and wiring caps are also included for easy installation.

【WARM AFTER-SALES SERVICE】 The installation and wiring are described in the instruction manual. A one-year warranty is provided, and if you face any technical issues, please feel free to contact us for professional help.

The actual mode is shown on the display as “ON”, “AUTO ON”, “OFF”, or “AUTO OFF” together with the time of day. Press the “ON/AUTO/OFF” button to adjust to the desired setting mode.

It is possible at any given time to advance to the next switching command by constantly pressing the “MANUAL”.
ON/OFF = Always ON/OFF

AUTO ON/OFF = Timer is ON or OFF currently and ON/OFF program is activated.

Daylight Saving Time (DST)

Press and hold the ‘’CLOCK’’ button for 3s to advance to the current time 1 hour, “+1h” icon will appear on the display.


Before programming, all settings should be reset. Use a paper clip or ball pen to poke the reset hole identified by “R” below the “R/RECALL” button.

Set the Current Time

a. Keep the “CLOCK” button pressed the entire setting operation.
b. Press the “HOUR” button to set hours.
c. Press the “MIN” button to set minutes.
d. Press the “WEEK” button to select the correct day of the week.
e. Release the “CLOCK” button. The time will be set.

ON/OFF Program Setting

a. Press the “PROG” button once. There are a total of 20 ON/OFF settings.
b. Press the “HOUR” or “MIN” buttons to set ON time.
c. Press the “WEEK” button to select the day(s).
d. Press the “PROG” button to save and proceed to the “1 OFF ” setting.
e. Repeat steps a-e to set ON/OFF times, to set the other 19 ON/OFF settings.

Clear Function

a. Press the “PROG” button to select the ON/OFF setting that needs to be changed.
b. Press the “ R/RECALL” button to clear the current ON/OFF setting without having to scroll through all the hours.

Note:Timer should operate in the “AUTO ON” or “AUTO OFF” mode.


ETL listed, the waterproof and well-sealed plastic shell prevent rainwater and dust from flowing into the junction box along the aperture. The operation temperature is from -40℉to 140 ℉. Thinner box is designed for space saving purposes

Wide Range of Applications

Ideal for outdoor/indoor heavy duty applications like water heaters,pool pumps,fountains,spa,mower, air conditioner and other equipment motors etc. You can control 1 device or 2 devices simultaneously

Technical Details

Input 120-277VAC 60Hz
Output 40A Resistive 120 to 277 VAC;
30A General purpose 120 to 277 VAC;
20A Resistive, 30VDC;
1HP, 120 VAC;
2HP, 240VAC;
20A Ballasted load 120 to 277 VAC;
15A Tungsten, 120 VAC;
5A Tungsten, 250VAC;
800VA, Pilot Duty, 120VAC;
720VA, Pilot Duty, 240 VAC;

Return & Refund

We provide hassle-free shopping with our guarantees:

30 DAYS MONEY BACK GUARANTEE:Get a refund within 30 days of delivery. (more details on the refund process and return shipping cost will be provided below).

12 MONTHS QUALITY WARRANTY:If there are any quality issues within 12 months of receipt, we offer a full refund or free replacement.

For more details, please visit our Return & Refund here

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