Floor Joist And Furnace Trunk Clearance

Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local hvac codes.

Floor joist and furnace trunk clearance.

This would raise the ductwork 1 2 to 1. The return air ducting to the trunk line must be run in pipe in the space as opposed to panning the bottom of the joists because of the open webs. Use the straps to hang the trunk line along the floor joists. I am remodeling my basement and have a ceiling clearance issue.

I can t meet the 7 mark but the local authorities will give me a variance if i do the following. The rods need to be of sufficient length to allow for proper clearances from. It maintains the most efficient characteristics for airflow and is common throughout the country. Local codes require no less than 7.

The tee fitting located at the end of the pri mary trunk in this system performs the same function as the reduction in the reducing trunk system each secondary trunk has a cross sectional area that is smaller than that of the. Hang the trunk line. This is the large shaft that comes directly off the furnace or air conditioner. The duct is currently between two studs about 2 3 inches away from each.

Hello all i searched for an answer to this and could not find anything. In addition its flexibility allows for easier installation in hard to reach areas. Master flow metal pipe is available in a master flow metal pipe is available in a variety of common lengths diameters and gauges to help make your next hvac project a success. This type of system has a primary trunk and two or more secondary trunks.

The horizontal furnace may also be suspended from the joists using 3 8 all thread rods with pieces of angle iron underneath the furnace to form a hanging rack at both ends and the midpoint. Except for the first 7 feet of the supply run raise the supply run so it is directly up against the floor joists. Round pipe can be used as a main trunk line or branch line as well as in return air situations. 2015 irc m1305 recommends that the furnace have a level working space of at least 30 inches by 30 inches in the front of the appliance.

You will need a phillip s head bit to attach the straps that hold the trunk line to the joists. Secondary trunk system see figure 7. The screw is normally a phillip s head screw. Is there a minimum distance required between a heating supply duct and a stud.

I am currently in the process of framing out a wall first floor which contains a forced air supply duct that runs vertically from the basement to the second floor. In short it will cost you more to install a forced air heating cooling system and you will probably not get both the supply and return turnks up in the joists. In our case we hired an installer to put in the furnace the air conditioning equipment basement trunk lines exhaust flue through the roof and the largest air return which goes to the very top.