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FAQs for TightWatt & TightWatt2

TightWatt (TW-PFC) FAQs | TightWatt2 (TW2-PFC) FAQs

TightWatt

How do I take my TightWatt pool timer out of demo mode?

Press and hold buth front buttons at the same time for 5 seconds. After this, the message "demo mode exited" will appear on the display and the timer will revert to its normal mode of operation.

Can I replace my old mechanical pool timer with a TightWatt Pool Timer?

Yes! TightWatt pool timers were designed to snap directly into all Intermatic* enclosures and will install in minutes. If you have a non-Intermatic case, please contact us so that we can make a recommendation which suits your needs.

What if my display is blank, and the contrast adjustment does not solve the problem?

    Do the following:
  1. disconnect the 9V battery back-up.
  2. turn off the breaker that powers your TightWatt timer.
  3. with all power removed, wait 15 seconds.
  4. re-connect the 9V back-up battery.
  5. turn the circuit breaker back on.
  6. adjust contrast, if necessary, for optimum viewing.
  7. re-set the time and date. All other settings are stored in FLASH, and will not have changed.

Can TightWatt Pool Timers Control more then 1 device?

TightWatt2 - Yes - TightWatt2 Two-Speed pool controllers can control 2 devices. It can control a primary pool pump (single or two-speed) and an auxiliary / booster pump.

TightWatt - No - TightWatt Pool timers can control 1 device which can be either a single-speed pump or an auxiliary / booster pump.

Can I use a TightWatt Pool Timer to control my lights or sprinklers?

Yes, but it is not recommended because TightWatt pool timers are designed to run a swimming pool. The TightWatt pool timer was designed with the needs of swimming pool owners and professionals in mind.

How do I run my pool filter manually with a TightWatt pool timer?

There are 2 options:
  1. To run one FULL manual cycle:
    Tap the "On/Off" button once.
  2. To specify the duration of a manual cycle:
    Press and hold the "On/Off" button. Release when you see the desired time (in hours) on the right-hand side of the display.

Does the TightWatt work with the Florida Power & Light "On Call" program?

Yes, the TightWatt (with battery back-up installed) will continue to maintain time and date even when the power is shut off by your load control transponder. This eliminates the problem of time loss that occurs with a traditional mechanical time clock.

Do I have to remember to turn my pool pump off after running a manual cycle?

No. TightWatt pool timers will shut off automatically when the manual cycle is complete.

How do I turn my pump off?

Press the "On/Off" button any time the pump is running and it will shut off.

Is a TightWatt pool timer compatible with a salt water chlorinator?

Yes! In fact, using a TightWatt pool timer in conjunction with a salt water chlorinator will actually help extend the life of your cathode. Your pool requires less chorination when the water is cold, so TightWatt pool timers work synchronistically with the needs of your salt-water pool.

Can I use a TightWatt pool timer

No. We recommend a TightWatt 2 (tw2-pfc) two-speed pool controller for two-speed pump applications.

How do TightWatt pool timers save money?

Your pool pump is one of your home's largest consumers of energy (usually second only to your AC). TightWatt pool timers take advantage of the yearly changes in temperature, and run your pump efficiently year-round (like a digital thermostat does for heating and cooling). This also reduces pool maintenance time and saves wear-and-tear on components.

How do I back-flush with a TightWatt pool timer?

To backflush your filter medium, attach your discharge hose, and then pull your valve into the backflush position. Tap the "On/Off" button on your TightWatt pool timer to begin the backflush. Tap the button again when the water coming out of the discharge hose is clear.

How do TightWatt pool timers self-adjust?

The TightWatt pool timer has an internal calendar which it uses to determine filter run times throughout the year. Just set the "Summer" and "Winter" run times, and the TightWatt pool timer will compute run times for the rest of the year. It’s patent pending run schedule has been designed to match the climate of the Southwestern United States.
View example of TightWatt self-adjustment schedule

Do TightWatt pool timers come with a warranty?

Yes! All TightWatt pool timers come with a Full 3-year warranty.

I lost my user's guide. Can I view it online?

Yes. Click here to download the pdf: User's Guide

What is X10 Home Automation Technology?

X10 is a communication system that runs over your home’s AC wiring. The benefit of X10 is that you can add simple communication functions to your house at a very low cost. Switches, lights, appliances, etc. can literally ‘talk’ over your home wiring. TightWatt pool timers (with additional hardware) support X-10 on/off commands. Keep reading to understand how the TightWatt pool timer works with X10.

How does X10 work with TightWatt pool timers?

Use the ‘Set’ feature on your TightWatt timer to set your house and unit codes. An X10 ‘on’ command will cause your pool pump to run for three hours. An X10 ‘off’ command will shut your pool pump off. Simple. Keep reading if you are a geek like us.

Will the TightWatt pool timer allow me to be more of a geek?

Most people get a TightWatt timer because they want to save money, have an energy-efficient home and spend less time working on their pool. Geeks, however, can also use X10 to run their pool and other home gadgets through internet, phone connections, or pretty much anything else. In short, yes.

TightWatt2 | back to top

How do I take my TightWatt2 timer out of demo mode?


There are two ways to exit demo mode:
  1. Press and hold both buttons for five seconds.
  2. Fully install the TightWatt2 and turn on the power. Press any button, and the TightWatt2 should respond with "Power Detected", followed by "Demo mode exited".

Can I replace my mechanical timer with a TightWatt2?

Yes. The TightWatt2 has been designed to snap into existing Intermatic* cases for easy installation.

What if my display is blank, and the contrast adjustment does not solve the problem?


Do the following:
  1. disconnect the 9V battery back-up.
  2. turn off the breaker that powers your TightWatt timer.
  3. with all power removed, wait 15 seconds.
  4. re-connect the 9V back-up battery.
  5. turn the circuit breaker back on.
  6. adjust contrast, if necessary, for optimum viewing.
  7. re-set the time and date. All other settings are stored in FLASH, and will not have changed.

Is the TightWatt2 eligible for a rebate from my electric utility?

The TightWatt2 has been designed to meet the requirements of utilities for multi-speed controllers. Check with your utility to see if they offer a rebate for TightWatt2 controllers.

Can I use a TightWatt2 pool controller with my 2-speed pump?

Yes. The TightWatt2 was designed specifically to control a 2-speed pump. The year-round control that the TightWatt2 offers is the most efficient way to run a 2-speed pump.

Can my salt chlorinator be used with the TightWatt2?

Yes. Please see our 'Help Center' for a wiring diagram for a TightWatt2 with a salt chlorinator. The TightWatt2 year-round run schedule will also help to extend the life of your cathode, saving money on costly repairs.

How does a 2-speed pump save energy?

A 2-speed pump is essentially a conventional pump that has an additional low-speed winding. The low-speed moves the water more slowly, but gives you much more gallons filtered per dollar. This provides superior filtration and dramatically reduces the energy costs of your pool.

How do I run a manual cycle?

Press the 'on/off' button. Next, select the number of hours you want to run for high, low, and auxiliary. If no buttons are pressed for 7 seconds, the manual cycle will start automatically.

Can the TightWatt2 control more than one device?

Yes. The TightWatt2 can control your primary and auxiliary/booster pump. In most cases, the TightWatt2 can replace two mechanical timers.

Does the TightWatt2 work with the Florida Power & Light "On Call" program?

Yes. The battery back-up will keep the time and date accurate even when the power is shut off by your load control transponder.

How do I turn my pump off?

Press the "On/Off" button any time that a pump is running to shut it off. This will terminate the current automatic or manual cycle. The next automatic cycle will begin at it's designated start time.

How do I backflush my filter?

Pull the backflush valve into the backflush position and attach your backflush hose (if necessary) Press the 'on/off' button to start a manual cycle. After that, set the following cycle: 'Hi 1 Lo 0 Ax 0', and the backflush will start. After the backflush is complete, press the 'on/off'
button to turn the pump off.

Do TightWatt2 pool controls come with a warranty?

Yes. TightWatt2 pool controls have a 3-year limited warranty.

Does the TightWatt2 support a Fireman's switch?

Yes. Using the TightWatt2 in 'Fireman' mode will switch the heater off 10 minutes before the primary pump high cycle turns off. It should be noted that the fireman's switch uses the Auxiliary relay to function, so the Auxiliary relay cannot control a booster pump when used in this mode.

I lost my user's guide. Can I view it online?

Yes. You can download the TightWatt2 user's guide here.

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