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Twin Hornet 22 - Engine Preheater - 120V

$497.00/Each
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Part# 08-12217
MFR Model# T7A4J1-200

Overview

Choose this heater to pre-heat the engine compartment of general aviation aircraft. This heater will automatically maintain optimum temperatures for your aircraft engine.
  • Thermostatically controlled (75° F)
  • 2 fans & 2 heating modules
  • 75ºF hermetically sealed explosion proof thermostat
  • 2" x 2.5" x 9.25" housing
  • 120V AC
  • 0-250 Watts (Next generation self-regulating modules)
  • 40' Premium, extreme temperature cord, rated at -40°C
  • Carrying bag included
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Reviews

It hasnt been cool enough to test this for real, but it arrived on time, in good shape, and past the refrigerator test.

Dan M Verified Purchase

Twin Hornet 22 Heater Dual Fan 120V 250 Watts

September 24, 2024

Allen Y Verified Purchase

Twin Hornet 22 Heater Dual Fan 120V 250 Watts

February 20, 2024

Using in 0- 15° temp, uninsulated hanger, warmed engine to over 50° in @ 3-4 hours (based on my highly calibrated HF laser thermometer!!! testing in different locations on the engine) with moving blanket over cowling, small size allows it to fit underneath tight cowling (Flight Design CTSW), long power cord extremely helpful, the thermostat on the unit works surprisingly well to regulate the temperature, have left the unit plugged-in and operating, would check on the unit every hour or so periodically, to find the unit cycling on and off depending on temperature demand…. Just wish I would’ve got a free hat!!!

David Y Verified Purchase

Twin Hornet 22 Heater Dual Fan 120V 250 Watts

February 8, 2024

Great product and works as advertised. Engine temp 77 deg just after start up on 20 deg morning.

Jeff S Verified Purchase

Twin Hornet 22 Heater Dual Fan 120V 250 Watts

January 27, 2024

Works as advertised. I have it set up on a smart plug and Wi-Fi so I can turn it on from home. At 20 degrees F in my hanger it had my oil temp to 75 in a few hours.

Clifton W Verified Purchase

Twin Hornet 22 Heater Dual Fan 120V 250 Watts

January 24, 2024

So I bought this heater hoping for a good solution to my Red Dragon and freezing my butt off standing outside watching it. I put it in last week. In our area we have had lows in the teens and highs in the low thirties all week. I was curious to see how it was working. Have not been able to fly because of the weather. I went out yesterday, OAT was 30F, it was 19F in the morning. The GEM monitor shows all CHTs at 46 to 49 degrees. The unit is doing what it is supposed to do without cooking my engine. So far so good.

John M
January 22, 2024

Tim H Verified Purchase

Twin Hornet 22 Heater Dual Fan 120V 250 Watts

December 30, 2023

working as advertised

Arthur M Verified Purchase

Twin Hornet 22 Heater Dual Fan 120V 250 Watts

December 12, 2023

Excellent, it works as advertised.

Utah V Verified Purchase

Twin Hornet 22 Heater Dual Fan 120V 250 Watts

November 10, 2023

This product turned out to be even better than I had hoped, after receiving it, and reading the instructions, and realizing how much research went into this high quality heater I couldn’t be happier with my purchase

Shawn G Verified Purchase

Twin Hornet 22 Heater Dual Fan 120V 250 Watts

November 5, 2023

Q&A

Please note, Aircraft Spruce Canada'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 Canada 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: I have a Baron 58. Does it come with one or two heaters for each motor?

This is sold as each engine. If you have a twin you will need to buy (2).

Q: How long do you plug this in and operate before needing the plane? I am hoping an hour does the job

Because the heater is thermostatically controlled, it should be plugged in at all times when the ambient temperature is below 60 degrees. To answer your question, it can take up to 48 hours to heat a cold soaked engine.