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  2. Tips for troubleshooting water heater issues - AOL

    www.aol.com/tips-troubleshooting-water-heater...

    Tips for troubleshooting water heater issues. The Editors. November 29, 2021 at 7:52 PM. Minerva Studio/Shutterstock. ... or sediment buildup in your pressure relief valve. Either way, there’s ...

  3. A. O. Smith - Wikipedia

    en.wikipedia.org/wiki/A._O._Smith

    Its water heater division introduced the first glass-lined commercial water heater, the A. O. Smith Burkay B-65, and later the company established a glass fiber division to replace steel in many applications. It also expanded into supplying oil field pipe and pipe for service stations, eventually becoming Smith Fiberglass Products in 1986.

  4. Boiler blowdown - Wikipedia

    en.wikipedia.org/wiki/Boiler_blowdown

    A pipe near the bottom of the blowoff tank maintains a water level below the blowdown entry point and allows cooler water remaining from earlier blowdown events to drain from the tank first. Two bottom blowdown valves are often used in series to minimize erosion. One valve serves as the sealing valve, and the other as the blowdown valve.

  5. Troubleshooting AOL Desktop Gold

    help.aol.com/articles/aol-desktop-troubleshooting

    Desktop Gold doesn't provide dial-up internet connectivity and can only be used if you already have a broadband internet connection. If you're having trouble getting online, check to see if the issue is with your internet connection.Our help article, Troubleshooting a Broadband Connection, provides some useful troubleshooting tips. If you are ...

  6. IBM AS/400 - Wikipedia

    en.wikipedia.org/wiki/IBM_AS/400

    The AS/400 family line was rebranded several times in the 1990s and 2000s as IBM introduced newer generations of hardware and operating system. [23] In 1994, the AS/400 Advanced Series name was used for new models, followed by the rebranding of the product line to AS/400e (the e standing for e-business) in 1997. [13]

  7. Smith Corona - Wikipedia

    en.wikipedia.org/wiki/Smith_Corona

    Smith Corona is an American manufacturer of thermal labels, direct thermal labels, and thermal ribbons used in warehouses for primarily barcode labels.. Once a large U.S. typewriter and mechanical calculator manufacturer, Smith Corona expanded aggressively during the 1960s to become a broad-based industrial conglomerate with products extending to paints, foods, and paper.

  8. File:AO Smith logo.svg - Wikipedia

    en.wikipedia.org/wiki/File:AO_Smith_logo.svg

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  9. Tektronix analog oscilloscopes - Wikipedia

    en.wikipedia.org/wiki/Tektronix_Analog_Oscilloscopes

    In the 1960s Tektronix introduced the relatively compact 450 series of portable oscilloscopes, starting with the 50 MHz 453. The 453 was superseded by the 454. There was also a 422 15 MHz AC/DC portable made. [1] These were quickly followed by the 460 series, the 470 series, and the 480 series.