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ShowerStart TSV3 thermostatic valve-hot water saver

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WaterSense label

WaterSense® certified for maximum performance. Learn More


Limit of two showerheads per household per year.

With ShowerStart® TSV technology, you'll say goodbye to all the little things that bother you about your family's shower routines and hot water usage. It's as easy as changing a lightbulb to install, doesn't lower the pressure or flow of your showerhead, and saves thousands of gallons of water—as well as the energy to heat it— year after year.WaterSense® labeled for maximum performance.

This ShowerStart:

  • Integrates the ShowerStart TSV (Thermostatic Shut-off­ Valve) to prevent hot water waste during shower warm up
  • Features a chrome polish finish
  • Features solid brass half inch NPT fittings (female)
  • Is constructed with a plated ABS body
  • Includes a removable lanyard
  • Is designed for use in environments with static water pressures of 30 psi or higher
  • Automatically resets for next use
  • Has a cUPC Certification

Product Warranty: 10 Years


View Spec Sheet



Saving water saves energy

Saving water also saves energy by reducing the amount of energy used to heat water. The savings differ whether you have an electric or natural gas hot-water heater. 



How it works

How it works. Infographic of turning on a shower.

1. Turn on shower.

While the cold water flows out of your showerhead, you can continue with your normal pre-shower routine.

How it works. Infographic of ShowerStart kicking in.

2. ShowerStart® kicks in.

When water reaches 95°F, ShowerStart automatically lowers the flow to a trickle—saving hot water until you are ready to get in.

How it works. Infographic of when the water is warm.

3. Ready when you are.

Once you're ready to get in the shower, simply pull the release and begin showering.

Freedom while waiting.

Mornings are better when you don’t have to choose between wasting time or wasting hot water. Now you can brush your teeth, shave or pick out the perfect outfit … and your shower will just wait for you.


Alerts you when the shower is ready.

You'll know your shower is warm and ready when the flow slows to a trickle.

High-pressure performance.

This energy- and water-saving product does not affect your showerhead's performance or pressure.

No more empty showers running endlessly.

Are you frustrated with family members letting the shower run on and on while doing something else? This convenient device will help your household save gallons of water every time they shower.


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Showerstart TSV

ShowerStart TSV3 thermostatic valve-hot water saver

Your Price:
You save $24.99
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