Part# 08-04100
MFR Model# DL-009


"Y" tube is designed to be used with the Homebuilders cabin heat box to make warm air available to 2 or more locations in the aircraft. Constructed of seamless 2024T6 tube, it weighs only 2 oz. These tubes are expanded to 2" I.D. on the inlet end to slip over and clamp to the 2" O.D. tube of the cabin heat box. Due to the very light weight, "Y" tubes can be installed in scat tubing as well as attaching directly to cabin heat boxes. One stainless steel clamp is included with "Y" tube. Due to the light weight of only 1.7 oz., the non-expanded Y-tube can be placed anywhere in a run of tubing to give more options for heating additional areas of the aircraft.
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Good part! Good shipping, thanks!

Mike N
August 10, 2020

Amazing value for the money. The weld quality is good. Though I understand why (risk of weld burn through during manufacturing) there is a lip on the side of the pass through tube where the Y tube attaches, I wish it was a bit more free flowing in that location. You wont have balanced flow between the two ends of the Y unless you restrict the straight through section some. In my case I can use this restriction as an advantage to force extra air to the other side of the aircraft.

Blaine S
May 24, 2017


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 is the difference between expanded and non-expanded?

The difference between the two is that part # 08-04100 has an expanded end on the inlet side which allows it to fit over a 2" OD diameter tube.

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