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The Watts LL40XL-4 150/210 FS 3/4 is a 3/4" temperature and pressure (T&P) relief valve for commercial water heater service, factory set at 150 psi and 210°F. Bronze body with extended shank, 4" coated thermostat. Includes SentryPlus Alert flood sensor, tamper resistant bonnet screws, test lever. Not approved for potable water.
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