Duct Air Heater : Tankless Oil Water Heater : Water Heater Leaking Water.

Duct Air Heater

duct air heater
    air heater
  • Category : mechanical engineering(see air preheater)
  • A space heater is a self contained device for heating an enclosed area. . Space heating is generally employed to warm a small space, and is usually held in contrast with central heating, which warms many connected spaces at once.
  • a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"
  • (in the body) A vessel for conveying lymph or glandular secretions such as tears or bile
  • an enclosed conduit for a fluid
  • A channel or tube for conveying something, in particular
  • (in a building or a machine) A tube or passageway for air, liquid, cables, etc
  • a continuous tube formed by a row of elongated cells lacking intervening end walls

Bottom of slab under fireplace
Bottom of slab under fireplace
To pour the slab we screwed plywood level with the bottom of the joists. Then we wedged 2x4s under the plywood by the concrete bricks. We put cardboard between the edges of the joists and slab for a expansion break.(wood and concrete expand at differant rates. Line the inside of the form with plastic by the outside to keep too much from dripping out. Some will drip. For the ash drop and air intake we put chunks of metal heater duct in. Put circles of wood or we used hard pink insulation, to hold the ducting in the right place and keep cement out. To hold the top in place all you need is a small board/stick with a screw to the top of duct circle.
AC Duct 1
AC Duct 1
Side shot of the fabricated AC/heater duct. The standard outlet on the AC plenum opints straight into the dash and it is difficult to do anything with it without kinking the hoses. I made a duct to route the center outlets up and over the top of the plenum and towards the drivers side. This will make it easier to send air to the drivers side for the defrost vent and floor outlet without kinking up the hoses and restricting airflow.

duct air heater
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