Mr. Cover named his invention as a tribute to another inspiration, the Tom Swift science fiction novels he read as a child, one of which was “Tom Swift and His Electric Rifle.” He created an acronym from “Thomas Swift Electric Rifle,” adding the “A,” he explained to The Washington Post in 1976, “because we got tired of answering the phone ‘T.S.E.R.’ ”

Features: ---Strong Fine Mesh Screen ---12 Volt Fan with 6" Blades --- Extra Strong Galvanized Steel Roof Flange with Mill Finish --- Dimensions 8.5" Round x 1.5" Deep --- Vent Color is White ---Includes 70" of 3/4" Butyl Tape ---Includes 28 screws for mounting the roof vent --- No Garnish Ring --- Will replace existing Elixir or Ventline Products (Please check the Hinge Style before Ordering) --- Standard OEM Dimensions (Opening 13.25" x 13.25") Mounting Flange (16.5" x 16.5").
I went out to the warehouse to look at the Lippert Electric A-Frame Tongue Jack, # LC285318. In order to remove the screws that secure the cover you will need a long and thin phillips head screwdriver. If you don't already have one, you'll want to purchase a Protective Cover, # UF38-944020, to keep your jack dry when you are at the campsite. This will protect the head of the jack and keep the motor protected from the elements.

This fits nicely on our travel trailer power jack. We purchased it to stop the sun fading the black jack. Although we purchased and started using this a couple months ago, after days of heavy rain here recently we thought it would be prudent to check under it today. Yes, it is not waterproof BUT it was only damp under there and all the electronics still worked so we were happy. Let's face it, the manufacturers make the jacks to be weatherproof so a bit of water/damp should not hurt them. I do like another reviewer's idea of putting a plastic bag on first and then putting this cover on top though. A great idea!
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