TJ4200 Attic 4-Way Inlet Circulation & Placement

In order to maximize the function of the TJ4200 TopJet Gravity Ceiling Inlets, below are TJ4200 Air Vent installation recommendations with the number of inlets needed and optimal spacing for your particular application in a 40′ – 50′ wide poultry house as well as 60′ wide poultry house. The TJ4200 is designed to distribute the drier, warmer attic air evenly in four directions, minimizing harmful drafts on your birds.

Width x length of house divided by 1500 = total number of inlets needed. Do not exceed 20 TJ4200 TopJet Attic Inlets per house.

With a 40’-50’ wide house, alternate the TJ4200 Attic Inlets 2’-3’ from the peak of the house. Place the first and last inlet 20’ from the end of the house. Subtract 40 feet from length house and divide that length by the number of inlets left + one = the spacing of the TJ4200 Inlets.

For example, 14 TJ4200 Gravity Inlets for a 40 x 500 ft. house (minus 40 ft) = 460 divided by 12 plus one space or 13 = an inlet every 35 ft.

* Please note suggestions may vary with structures of buildings and integrator preference.

Width x length of houses divided by 1500 = total number of TJ4200 Air Inlets needed. Do not exceed 20 TJ4200 Attic Inlets per house.

With a 60’ wide house, alternate the attic inlets 5’-6’ from the peak of the house. Place the first and last inlet 20’ from the end of the house. Subtract 40’ from the length of the house and divide that length by the number of inlets left + 1 = spacing between TJ4200 TopJet Gravity Inlets.

For example, 20 inlets for a 60 x 500 ft. house -40 = 460 divided by 18 + 1 space or 19 = a TJ4200 Inlet every 24 ft.

* Please note suggestions may vary with structures of buildings and integrator preference.

Attic inlets can reduce poultry house fuel usage significantly from 5% to as much as 35% depending on ventilation management. Ideal broiler flock performance is greatly affected by correct ventilation management. Air inlet management is the key to providing the ideal environment during the critical starting and yearly growth phases. Most poultry houses in the United States rely on negative pressure to flow air into the house during cool weather or brooding techniques. The TJ4200 Attic Inlet is the tool to make this happen.

Double L’s TJ4200 Inlet has counterbalance weighted louvers that direct air along the ceiling and hold air currents up longer while evenly mixing attic air with room air. The TJ4200 Attic Inlet helps growers maintain higher ventilation rates during cold weather without sacrificing houses temperatures or wasting fuel. Redesigned shut-off to open at a higher static pressure. Overall benefits of the TJ4200 Attic Air Vent include better air mixing, lower fuel costs, drier litter, and lower ammonia concentrations.

The TJ4200 Inlets are easy to assemble and require no tools to assemble inlet. Simply snap three sides together, insert the bottom channel and snap the fourth side in place to complete the inlet. The unique packaging also serves as the attic sleeve during installation process.