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The Watts 174A is a three-quarter inch pressure relief valve designed for hot water heating and supply boilers. This valve has a bronze construction, ensuring durability and reliability. It has a standard pressure setting of thirty PSI and can handle a maximum BTU input of six hundred fifty thousand BTUs. This valve is ideal for applications where pressure protection is essential.
The Watts 174A provides essential pressure protection in hot water systems.
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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