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The WATTS 40XL-7 is a temperature and pressure relief valve designed for commercial water heater applications. This valve ensures automatic temperature and pressure protection for hot water supply tanks and heaters.
Use the WATTS 40XL-7 in heating applications to maintain safe operating conditions and prevent overheating.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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