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Water Safety & Flow Control



Bottom-Entry Bimetal Thermometers


3 in. (80mm) Dial


Series TBR Bottom-Entry Bimetal Thermometers are used in commercial, residential, and institutional HVAC applications. It features a chrome steel case, Kostil polymer window, brass stem, brass amplifying movement, 1/2 in. (15mm) NPT brass snap-in thermowell, and bimetal spiral spring sensing element. Available in various temperature rating scales.

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Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

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Additional Information

Danger – Scalding Lurks!

Every year, thousands of people suffer serious thermal shock or scalding injuries in their bathtubs, sinks and showers.

Click here for informative resources to help you protect against these dangers.

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Thermostatic Mixing Valves

Every year thousands suffer injuries as a result of hot water scalding and thermal shock injuries. Thermostatic mixing valves protect against these dangers.

To learn more about thermostatic mixing valves and how they work, click here.