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Explore Complete 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 No Description RFQ
09E47 regulator overhaul RFQ
10D48 10d48 servicable vibrator RFQ
11E31-1 11e31-1 motor overhaul 24 vdc RFQ
17E12 17e12 ignition unit overhauled 12 vdc (long legs) RFQ
18E30-1 nozzle holder solenoid assembly overhaul RFQ
285CAL pdt calibration RFQ
CD09D77 cd09d77 nozzle holder gasket RFQ
CD20803 fuel regulator, 24 vdc 1.0 amp RFQ
CD21156 cd21156 fuel nozzle 2.30 gph RFQ
CD21163 cd21163 fuel nozzle, 1.35 gph RFQ
CD21166 cd21166 fuel nozzle, 3.00 gph RFQ
CD21168 cd21168 fuel nozzle, 1.20 gph RFQ
CD21170 cd21170 fuel nozzle, 2.00 gph RFQ
CD21171 cd21171 fuel nozzle, 2.25 gph RFQ
CD21185 cd21185 fuel pump universal RFQ
CD21192 cd21192 valve, solenoid RFQ
CD21194 cd21194 valve, solenoid RFQ
CD21250 cd21250 universal lead kit RFQ
CD21285 cd21285 fuel nozzle holder assy. RFQ
CD21295 cd21295 nozzle holder assembly RFQ
CD21330 cd21330 kit, lead repair RFQ
CD21346 cd21346 filter replacement kit needed 250 hours or 2 years after cd21340 installed RFQ
CD21348 cd21348 o-ring RFQ
CD21379 cd21379 shock mount- package of three RFQ
CD21380 cd21380 ignition unit 12vdc RFQ
CD21387 cd21387 ignition mount RFQ
CD21399 cd21399 switch, control thermostat linear rheostat, attaches to push-pull cable (low to high) RFQ
CD21402 permanent magnetic motor, 24 vdc RFQ
CD21412 single row ball bearings, package of two RFQ
CD21426 switch, overheat manual reset RFQ
CD21517 1 inch o.d. with .5 inch i.d. gasket RFQ
CD21600 cd21600 heater control switch RFQ
CD22030 cd22030 spark plug assembly RFQ
CD22050 cd22050 spark plug RFQ
CD22550 combustion air switch RFQ
CD29111 fuel pump assy RFQ
CD29127 cd29127 fuel train RFQ
CD31073 electrode is faa approved to directly replace janitrol 51a05 RFQ
CD31110 cd31110 blower motor assembly RFQ
CD40690 kit airflow/ switch assembly cd40690 RFQ
CD40700 spark plug cd40700 RFQ
CD41209 number plate RFQ
CD41210 number plate cd41210 RFQ
CD65C65 cd65c65 coil, ignition RFQ
CD70011 pdt expansion bulb 1-1/8" RFQ
CD70012 expansion bulb 1-9/16" RFQ
CD70015 supply assembly - 3/4" replaces p201.57 RFQ
CD70017 supply assembly 1-1/2" RFQ
CD70019 supply assembly 2 RFQ
CD70070 supply RFQ
CD70082 gauge RFQ
CD70084 pdt temperature probe RFQ
CD70089 gauge RFQ
CD70091 regulator low pressure RFQ
CD70092 regulator high pressure RFQ
CD70100 self-contained c&d associates pressure decay tester  RFQ
CD70104 gauge high pressure RFQ
CD70106 minihelic gauge RFQ
CD70113 fitting 1/8" RFQ
CD70116 pdt tubing RFQ
CD70121 lamp RFQ
CD70144 coupler body RFQ
CD70150 training station for aircraft combustion heaters RFQ
CD70219 water manometer holder RFQ
CD70220 water manometer inches RFQ
CD70222 pressure switch adaptor RFQ
CD93C31 cd93c31 ignition coil 24 vdc system RFQ
RA-07D29 overheat switch - manual reset RFQ
RA-14E00-1 serviceable vibrator RFQ
RA-17D86 gasket RFQ
RA-21425 switch, overheat auto reset prevents overheating by shutting down at 175 degrees RFQ
RA-21450-1 brush kit, set of two- .25"x.25" RFQ
RA-21454 spring brush RFQ
RA-29D28 head gasket RFQ
RA-41411 bumper, isolation RFQ
RA-41427 switch, overheat kit RFQ
RA-45A28 washer RFQ
RA-474669 gasket RFQ
RA-474942 igniter assembly serviceable RFQ
RA-476229 ra-476229 gasket, washer RFQ
RA-52A02 gasket, head RFQ
RA-55D91 nozzle holder gasket RFQ
RA-704983 kit, nozzle and solenoid service RFQ
RA-720141 o-ring RFQ
RA-720963 sponge, silicone gasket RFQ
RA-720965 exhaust shroud gasket silicone sponge RFQ
RA-735411 seal with connector and couplings RFQ
RA-82A54 ra-82a54 gasket RFQ
RA-83A45 gasket, spark plug housing RFQ
RA-A55D91 gasket, nozzle holder (s-series) RFQ
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