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  2. Edwin Ruud - Wikipedia

    en.wikipedia.org/wiki/Edwin_Ruud

    With this new design, Ruud left the Fuel Gas and Manufacturing Company to start Ruud Manufacturing, his own engineering and manufacturing shop where he began to manufacture and popularize in home, as well as commercial and industrial water heaters. [18] Ruud was issued his patent for the coiled tube Automatic Water Heater on September 6, 1898. [17]

  3. Flame supervision device - Wikipedia

    en.wikipedia.org/wiki/Flame_supervision_device

    For gas appliances, a flame supervision device (FSD) – alternative name: flame failure device (FFD) – is a general term for any device designed to stop flammable gas going to the burner of a gas appliance if the flame is extinguished. This is to prevent a dangerous buildup of gas within the appliance, its chimney or the room. [1]

  4. Check valve - Wikipedia

    en.wikipedia.org/wiki/Check_valve

    Tilting-disc inconel check valve Check valve symbol on piping and instrumentation diagrams.The arrow shows the flow direction. Vertical lift check valve. A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.

  5. Lennox Recalls Natural Gas Log Sets: Valves Can Crack ... - AOL

    www.aol.com/news/2011-03-01-lennox-recalls...

    Lennox Hearth Products LLC recalled about 3,200 of its Lennox Shadowdance Natural Gas Log Set Burner Assemblies because the valve can crack and leak natural gas, said the U.S. Consumer Product ...

  6. Ford recalls 90,000 SUVs and F-150s over engine intake valves

    www.aol.com/ford-recalls-90-000-suvs-125402726.html

    The recall is of certain 2021-2022 Bronco, F-150, Edge, Explorer, Lincoln Nautilus, and Lincoln Aviator vehicles equipped with either a 2.7L or 3.0L Nano EcoBoost engine, the NHTSA said.

  7. Ram, Dodge, Kia, General Motors, Hyundai among 86K ... - AOL

    www.aol.com/ram-dodge-kia-general-motors...

    Recall notification letters are expected to be delivered by Dec. 10. Owners may contact Hyundai Customer Service at 800-633-5151. Recalled vehicles (1,545): 2019-2024 Nexo. GM recall for turn ...

  8. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    Covered gas vent Curved gas vent Air filter: Funnel or tundish: Steam trap: Viewing glass Pressure reducing valve: Valve: Gate valve: Control valve: Manual valve Check valve: Needle valve: Butterfly valve: Diaphragm valve: Ball valve: Check valve: Back draft damper Bag Gas bottle: Globe valve: 3-way valve Piston or reciprocating compressor ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!