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Home / Engine Parts / Engine Preheaters /Safe-Heet 700 Aircraft Engine Heater Kit
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Safe-Heet 700 Aircraft Engine Heater Kit

4 Reviews 1 Answered Question
$383.00/Each
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Part# 05-04420
MFR Model# 700

Overview

EASY TO USE
SAFE-HEET is a thin flexible pad that is bonded to the engine oil sump. The kit is complete with materials and step-by-step instructions. A log book entry is all that is required for permanent installation; No S.T.C. or 337 form required. There are no airframe modifications required. SAFE-HEET can be used with a timer or the 707 temperature controller, and uses standard 110 A.C. voltage. We recommend using the SAFE-HEET 707 Temperature Controller to cure the adhesive for faster installation.

Download the Installation Instruction in PDF.

ECONOMICAL AND EFFICIENT
SAFE-HEET puts the heat where it is needed with very little loss to the surrounding atmosphere. The air inside the engine is heated by the warm oil sump. The warm air goes up and the cold air goes down, your engine is heated from the inside out. It uses about 300 Watts which costs about 3 cents per hour to operate. Less than 1 hour will generally warm the engine oil from subzero to safe easy starting temperature. The entire engine will be warm in 2 to 3 hours. The adhesive is thermo-conductive, and the metal foil heatsink is vulcanized to the pad for even heat transfer. SAFE-HEET reduces costly starter and engine abuse during cold weather starts.

SAFE
The addition of the 709 Ground Fault Circuit Interrupter and surge protector now makes our engine pre-heater the safest unit available. With ground fault and surge protection the chance of dangerous and undetected lightning and mechanical damage that could cause lethal electrical shocks or engine damage is eliminated. SAFE-HEET uses U.L. recognized components and a 100% thermo-fused element. The element itself shuts down the flow of electricity if any point on the element overheats. SAFE-HEET is thermostat controlled to maintain oil sump temperature less than 160 F. There is no flame or hot air to burn paint or plastic parts. The risk of fire associated with cold starts is reduced.

TERMS OF LIMITED WARRANTY
All SAFE-HEET Engine Heaters are warranted for one year from date of sale to the original consumer against defects in workmanship and materials. The manufacturer's only obligation shall be to repair or replace at the manufacturer's option the product provided it is returned transportation prepaid to the factory within one year from date of sale to original consumer. Defects or failures due to incorrect installation, improper voltage, improper usage or handling, or any other condition beyond our control, as to any and all of which the manufacturer will be sole judge, are specifically excluded from this warranty. This warranty gives you specific legal rights. You may have implied warranty rights which vary from state to state. No other liability of any kind, arising from the use of the product, whether defective or not, is assumed.

CAUTIONS
  • Do not plug engine heater in before installation. Heater will be damaged.
  • Do not use without the SAFE-HEET 709 Ground Fault Circuit Interruptor.
  • Do not neglect your heater. Periodically inspect for proper grounding, security and cord condition.

Model Information

SAFE-HEET MODEL 700
Dimension: 4" x 4"
Teledyne Continental:
C-125, C-145, O300, GO-300, E165, E185, E225, IO-360, TIO-360, and LTSIO-360

Avco Lycoming:
O-235, O-290, O-320, IO-320, AIO-320, LIO-320, AEIO-320, O-360, HO-360, LO-360, IO-360, HIO-360, AIO-360, LIO-360, LHIO-360, AEIO-360, VO-360, IVO-360, TIO-360, TO-360, TIO-360, LTO-360, O-435, GO-435, VO-435, GO-480, GSO-480, and IGSO-480

PN 05-04420

SAFE-HEET MODEL 705
Dimension: 7.3" x 3.5"
Teledyne Continental:
A65, A75, C-75, C-85, C-60, and O200

PN 05-04422

SAFE-HEET MODEL 720
Dimension: 4" x 7"
Teledyne Continental:
O-470, IO-470, LIO-470, FSO-470, TSIO-470, GIO-470, IO-520, GTSIO-520, LTSIO-520, IO-550

Avco Lycoming:
O-540, VO-540, TVO-540, IO-540, HIO-540, AEIO-540, IGO-540, IGSO-540, IVO-540, TIO-540, LTIO-540, TIVO-540, AEIO-360, VO-360, IVO-360, TIO-360, TO-360, TIO-360, LTIO-360, TIVO-540, and IO-720

PN 05-04421

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Reviews

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product was complete and worked great

Ronald E Verified Purchase

Safe-Heet 700 Aircraft Engine Heater Kit
October 19, 2022

easy to install, and works great

Tim C
December 17, 2013

Expensive, but worth it product. I use this in conjunction with a Hornet Heater to heat the top half of the engine, the temperature controller and a properly fitted, high quality engine tent. My test date was a brutal minus 40 Deg C night in Canada. With the device plugged in and left on medium high power, I gave it 8 hours before returning to check temperatures. The device had function checked after installation and when I put my hand down low as far as I could get it without taking the lower cowling off, I could feel heat radiating off of the device. The lower engine was cool to the touch, like touching a metal object in a room that is slightly cool. Nothing overly concerning. The engine turned over happily and oil pressure immediately shot up. Very happy with how it performs. They say with the heat controller on max you can achieve good temperatures in an hour. While I would never fly a 4 cylinder engine in minus 40, I would in minus 25, and I feel in those temps it would be best to leave the engine at least 3 hours with a means to heat the top half before attempting a start. I dont feel an hour is sufficient time to heat more than just the oil. The reason I gave it four stars is because of how the company handles manufacturing of their epoxy. Mine came with the epoxy expired and I had to call McFarlane directly to send a replacement (For free of course, props to their customer service). When I did, I learned that they manufacture their epoxy ONLY in January of every year. They rush to try and get out stuff with epoxy nearly expiring, and mine was two weeks expired when it arrived. One half was completely rock hard and the other was powder, totally unusable. The company needs to re-asses this tactic and perhaps manufacture a couple of times a year to avoid rushing out product with bad dates because they simply have no newer product to replace it. You can see another review here that states they had the same epoxy issue. I guess just dont buy it in December? Wait till February? Silly business tactic. Either way, if you get epoxy that is good, this thing does a fantastic job, just watch you dont buy it around Christmas like I did.

Christopher T
February 3, 2018

Great product, my only complaint is the epoxy in my box was rated to expore in just three weeks after purchase, and needs an engine temp of 70F to apply, which means I need to rather quickly access a heated hangar as it it 10F outside.

C.whelan
January 7, 2018

Q&A

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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: Does this model need to have variable temp. controller to work?

You will not have to use a controller for this model to work. It is recommended to run it through a GFCI for safety purposes. We can special order this for your if you need one.

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