S-521NL
No Lead Cast Brass Boiler Drain
S-521NL
The S-521NL no lead cast brass full pattern boiler drain with a sweat x MGHT thread end configuration. It is equipped with a packed stem, packing nut and handwheel design. The packed stem creates a more effective seal when compared to packless-bonnet designs. The casting process uses an electric-induction furnace which optimizes molten brass temperatures, resulting in superior cast body and bonnet components.
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