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Deluxe Homebuilders Cabin Heat Box

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Part# 08-04005
MFR Model# DL-002


This cabin box is our first modification to our standard heat box. The only difference between this and the standard is that the deluxe cabin heat box has one inlet and two outlets; the second outlet must be used to dump and route, via 2" scat tube, the warm air away from the low plenum area when heat is not being used in the cabin. (It is very important not to run the dump tube to another box on the other side of the firewall, because a constant flow of air is necessary to ensure that the heat muff does not overheat.) The weight on this unit is 5.5 ounces.
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WARNING: Cancer and Reproductive Harm -

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Good quality and lightweight.

James M Verified Purchase


September 16, 2023

Very nice professionally made unit. Easily installed.

June 11, 2018


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What are the detail dimensions for this deluxe homebuilders cabin heat box? I have an existing 2" hole in my firewall and I need to see if this will fit with other adjacent items

It's a 3" x 3" x 3" cube. It has a 4" x 3" mounting plate and the shaft and arm extends all 1" inch off the box.

Q: What is the hole diameter in the actuator arm?

.185" ID.

Q: Is this stainless steel?

This is aluminum.

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