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The Watts 0121549 model is a 1-1/2 inch LF174A lead-free relief valve, designed for robust performance in hot water heating and domestic supply boiler applications. Engineered to manage excessive pressures, this valve is a staple in ensuring the safety and efficiency of boiler equipment.
This valve is notable for its resistance to corrosive water conditions and its ability not to stick or freeze. Importantly, it prevents water and sediment from being trapped in the seat, ensuring consistent performance.
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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