Corrosion-free Polyvalves from Kerotest Manufacturing come in standard and full-port design, from 0.5 to 12-in. diameters. The valves are made of medium and high-density polyethylene. Kerotest ...

Q: I read your column on draining a water heater and it worked great. However, as I went to turn off the plastic drain faucet, it continued to drip. Is there a washer or something I can replace, or ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a prototype of an artificial ...