List of Aircraft Heater System Parts

At high altitudes, the operating environment for an aircraft can drop below zero degrees Fahrenheit. Combined with seasonally cold temperatures, keeping the cabin warm is a necessity, not just a luxury. Fortunately, there are a wide variety of heating systems and methods to keep a plane’s interior at a comfortable temperature.

Bleed Air Systems

Commonly used by pressurized aircraft, bleed air systems use air conditioning to mix bleed air from the aircraft’s engines with air produced by the air cycle machine expansion turbine to make warm air suitable for the cabin. Other arrangements include using mini ejectors in a helicopter’s cabin to mix bleed air into the cabin, but they are universally simple and function well as long as the various valves, ducting, and controls are properly maintained.

Electric Heating Systems

Some heating systems will use electricity to warm the cabin. Electricity is run through a heating element, and fresh air is blown over the elements and into the cabin itself to transfer the heat. Floor and sidewall elements can also be used to heat the cabin. These systems, however, use a significant amount of the aircraft generator’s output, which restricts their use to the ground only. During flight, they are typically shut off to conserve power for other devices such as the instruments, avionics, and control surfaces.

Exhaust Shroud Heaters

Most single-engine civilian aircraft make use of exhaust shroud heaters. Ambient air is directed into a metal shroud or jacket that surrounds part of the engine’s exhaust system, where it is warmed and then circulated back into the cabin. The one concern with these systems is the possibility of a crack in the exhaust system, which can lead to carbon monoxide leaking into the cabin. Frequent inspections and maintenance will prevent this from becoming an issue.

Combustion Heater

Small to medium-sized aircraft will use a small combustion engine independent of the main propulsion engine to provide heat in a similar method as a shroud exhaust heater. This engine uses its own fuel valve and ignition system and does not contribute to the propulsion of the aircraft.

At Aerospace Aces, owned and operated by ASAP Semiconductor, we sell aircraft heating systems and parts from top manufacturers around the world.

Part NoDescriptionRFQ
RA-A55D91gasket, nozzle holder (s-series)RFQ
RA-83A45gasket, spark plug housingRFQ
RA-82A54ra-82a54 gasketRFQ
RA-735411seal with connector and couplingsRFQ
RA-720965exhaust shroud gasket silicone spongeRFQ
RA-720963sponge, silicone gasketRFQ
RA-704983kit, nozzle and solenoid serviceRFQ
RA-55D91nozzle holder gasketRFQ
RA-52A02gasket, headRFQ
RA-476229ra-476229 gasket, washerRFQ
RA-474942igniter assembly serviceableRFQ
RA-41427switch, overheat kitRFQ
RA-41411bumper, isolationRFQ
RA-29D28head gasketRFQ
RA-21454spring brushRFQ
RA-21450-1brush kit, set of two- .25"x.25"RFQ
RA-21425switch, overheat auto reset prevents overheating by shutting down at 175 degreesRFQ
RA-14E00-1serviceable vibratorRFQ
RA-07D29overheat switch - manual resetRFQ
CD93C31cd93c31 ignition coil 24 vdc systemRFQ
CD70222pressure switch adaptorRFQ
CD70220water manometer inchesRFQ
CD70219water manometer holderRFQ
CD70150training station for aircraft combustion heatersRFQ
CD70144coupler bodyRFQ
CD70116pdt tubingRFQ
CD70113fitting 1/8"RFQ
CD70106minihelic gaugeRFQ
CD70104gauge high pressureRFQ
CD70100self-contained c&d associates pressure decay tester RFQ
CD70092regulator high pressureRFQ
CD70091regulator low pressureRFQ
CD70084pdt temperature probeRFQ
CD70019supply assembly 2RFQ
CD70017supply assembly 1-1/2"RFQ
CD70015supply assembly - 3/4" replaces p201.57RFQ
CD70012expansion bulb 1-9/16"RFQ
CD70011pdt expansion bulb 1-1/8"RFQ
CD65C65cd65c65 coil, ignitionRFQ
CD41210number plate cd41210RFQ
CD41209number plateRFQ
CD40700spark plug cd40700RFQ
CD40690kit airflow/ switch assembly cd40690RFQ
CD31110cd31110 blower motor assemblyRFQ
CD31073electrode is faa approved to directly replace janitrol 51a05RFQ
CD29127cd29127 fuel trainRFQ
CD29111fuel pump assyRFQ
CD22550combustion air switchRFQ
CD22050cd22050 spark plugRFQ
CD22030cd22030 spark plug assemblyRFQ
CD21600cd21600 heater control switchRFQ
CD215171 inch o.d. with .5 inch i.d. gasketRFQ
CD21426switch, overheat manual resetRFQ
CD21412single row ball bearings, package of twoRFQ
CD21402permanent magnetic motor, 24 vdcRFQ
CD21399cd21399 switch, control thermostat linear rheostat, attaches to push-pull cable (low to high)RFQ
CD21387cd21387 ignition mountRFQ
CD21380cd21380 ignition unit 12vdcRFQ
CD21379cd21379 shock mount- package of threeRFQ
CD21348cd21348 o-ringRFQ
CD21346cd21346 filter replacement kit needed 250 hours or 2 years after cd21340 installedRFQ
CD21330cd21330 kit, lead repairRFQ
CD21295cd21295 nozzle holder assemblyRFQ
CD21285cd21285 fuel nozzle holder assy.RFQ
CD21250cd21250 universal lead kitRFQ
CD21194cd21194 valve, solenoidRFQ
CD21192cd21192 valve, solenoidRFQ
CD21185cd21185 fuel pump universalRFQ
CD21171cd21171 fuel nozzle, 2.25 gphRFQ
CD21170cd21170 fuel nozzle, 2.00 gphRFQ
CD21168cd21168 fuel nozzle, 1.20 gphRFQ
CD21166cd21166 fuel nozzle, 3.00 gphRFQ
CD21163cd21163 fuel nozzle, 1.35 gphRFQ
CD21156cd21156 fuel nozzle 2.30 gphRFQ
CD20803fuel regulator, 24 vdc 1.0 ampRFQ
CD09D77cd09d77 nozzle holder gasketRFQ
285CALpdt calibrationRFQ
18E30-1nozzle holder solenoid assembly overhaulRFQ
17E1217e12 ignition unit overhauled 12 vdc (long legs)RFQ
11E31-111e31-1 motor overhaul 24 vdcRFQ
10D4810d48 servicable vibratorRFQ
09E47regulator overhaulRFQ
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