Browse Aircraft Heater System Parts Number

Aircraft type should be considered when choosing the aircraft heater system. Different types of heater systems include, fuel fired heaters, exhaust heating systems, combustion heater systems, and bleed air heating systems.

Fuel Fired Heaters

Often small and portable, fuel fired heaters feature combustion chambers where the fuel-air mixture and ignited using an ignition device. The oxygen is provided by a fan attached to the heater system. Because fuel fired heaters are often portable, fuel is piped into the heater system via an external fuel tank or it can be linked up to the aircraft’s fuel system. Warm air is ducted to the cabin using connecting tubing. Maintaining a fuel fired heater is key. By products of the combustion process such as soot, carbon monoxide, and sulfur dioxide are harmful to humans. Routine checks and maintenance must be carried out to ensure that there are no external leakages. The ignition device and tubing are components that should be replaced after a specific amount of time and use. Running fuel fired heaters requires an electrical power source. 12-volt and 24-volt aircraft electrical systems can accommodate a fuel-fired heater.

Exhaust Heating Systems

The exhaust gas created during the engine combustion process is an efficient means of heating the interior of an aircraft. Though exhaust gas is routed out of the engine and into the atmosphere, some of the gas is redirected to the cabin. Interior climate control and the defrosting mechanisms of an aircraft are fueled by exhaust heating systems. Light aircraft often use this heater system as it is the simplest heater system in design and function. Regardless of the aircraft type however, this particular heater system requires strict maintenance to ensure there are no gas leakages. Technicians should have a maintenance schedule that addresses any fire safety concerns.

Combustion Heater Systems

Small aircraft usually use fuel fired heaters whereas larger aircraft use combustion heater systems. Aircraft fuel is ignited in a large combustion chamber, which is surrounded by an outer stainless-steel casing. A unique function of combustion heater systems is the level of control. A control switch either turns on or off the heater system, depending on the aircraft heat requirement.  Air is forced over the combustion chamber and picks up heat. Ducts then funnel the air into the cabin for heating purposes. The safety problems associated with carbon monoxide are considerably lower in a combustion heater system. Because the ventilation air on the outside of the combustion chamber is of higher pressure than the inside of the chamber, any leaking carbon monoxide would likely be carried out by the exhaust system. Once more, combustion heaters have an additional safety feature in the form of an overheat switch. In the case that the engine overheats, the system will shut off the fuel supply.

Bleed Air Heating Systems

In this heating system, air needs to be cooled rather than heated up. Turbine-engine aircraft use this system to make use of the extremely hot air that has been pushed through the compressor. Hot air is mixed with recirculated air in order to cool it. Once the air has reached the correct temperature, it is ducted into the cabin. Due to the nature of the system, there are many safety checks to ensure the compressed, hot air does not enter the cabin.

Part No Description QTY RFQ
04E40-1 blower motor overhaul Avl RFQ
07D97 ignition unit overhaul 24 vdc Avl RFQ
09E47 regulator overhaul Avl RFQ
10D48 10d48 servicable vibrator Avl RFQ
11C30-1M 11c30-1m ignition unit 24 vdc Avl RFQ
11E31-1 11e31-1 motor overhaul 24 vdc Avl RFQ
13D61 13d61 serviceable nozzle holder assembly Avl RFQ
17E12 17e12 ignition unit overhauled 12 vdc (long legs) Avl RFQ
17E24 17e24 ignition unit overhauled 24 vdc (long legs) Avl RFQ
18E30-1 nozzle holder solenoid assembly overhaul Avl RFQ
19E24 19e24 ignition unit 24 vdc overhaul Avl RFQ
285CAL pdt calibration Avl RFQ
41C74 ignition lead overhaul for s series heaters Avl RFQ
51A05 serviceable janitrol 51a05 Avl RFQ
722099 blower assembly, comb. overhaul Avl RFQ
722132 blower assembly, comb. overhaul Avl RFQ
753803 dynamic motor 24 vdc overhaul Avl RFQ
CD09D77 cd09d77 nozzle holder gasket Avl RFQ
CD12C60 cd12c60 vibrator s series heater Avl RFQ
CD20639 cd20639 fan wheel Avl RFQ
CD20654A cd20654a switch heater control Avl RFQ
CD20654B cd20654b rotary switch, heater control Avl RFQ
CD20800 regulator, fuel shutoff Avl RFQ
CD20801 24vdc regulator Avl RFQ
CD20803 fuel regulator, 24 vdc 1.0 amp Avl RFQ
CD21068 cd21068 gasket rope kit Avl RFQ
CD21153 fuel nozzle Avl RFQ
CD21154 cd21154 fuel nozzle 1.35 gph Avl RFQ
CD21155 cd21155 fuel nozzle 2.08 gph Avl RFQ
CD21156 cd21156 fuel nozzle 2.30 gph Avl RFQ
CD21157 cd21157 fuel nozzle 1.75 gph Avl RFQ
CD21159 cd21159 fuel nozzle .50 gph Avl RFQ
CD21160 cd21160 fuel nozzle 2.8 gph Avl RFQ
CD21161 cd21161 fuel nozzle .65 gph Avl RFQ
CD21163 cd21163 fuel nozzle, 1.35 gph Avl RFQ
CD21164 cd21164 fuel nozzle, 1.0 gph Avl RFQ
CD21166 cd21166 fuel nozzle, 3.00 gph Avl RFQ
CD21168 cd21168 fuel nozzle, 1.20 gph Avl RFQ
CD21169 cd21169 fuel nozzle, 1.65 gph Avl RFQ
CD21170 cd21170 fuel nozzle, 2.00 gph Avl RFQ
CD21171 cd21171 fuel nozzle, 2.25 gph Avl RFQ
CD21176 cd21176 fuel nozzle, 5.50 gph Avl RFQ
CD21184 cd21184 fuel pump universal Avl RFQ
CD21184A cd21184a fuel pump universal Avl RFQ
CD21185 cd21185 fuel pump universal Avl RFQ
CD21185A universal fuel pump, 7.0 psi, 1.25 amp, 12-vdc pass-through Avl RFQ
CD21186 cd21186 fuel pump universal Avl RFQ
CD21190 cd21190 pump/ motor universal. Avl RFQ
CD21192 cd21192 valve, solenoid Avl RFQ
CD21193 cd21193 valve, solenoid 24 vdc normally closed Avl RFQ
CD21194 cd21194 valve, solenoid Avl RFQ
CD21196 cd21196 fuel pump universal Avl RFQ
CD21197 cd21197 fuel pump, universal Avl RFQ
CD21250 cd21250 universal lead kit Avl RFQ
CD21252 cd21252 temperature switch Avl RFQ
CD21253 cd21253 thermostat electronic Avl RFQ
CD21255 cd21255 replaces push-pull cable Avl RFQ
CD21285 cd21285 fuel nozzle holder assy. Avl RFQ
CD21295 cd21295 nozzle holder assembly Avl RFQ
CD21296 cd21296 fuel nozzle assembly Avl RFQ
CD21330 cd21330 kit, lead repair Avl RFQ
CD21340 cd21340 filter assembly Avl RFQ
CD21346 cd21346 filter replacement kit needed 250 hours or 2 years after cd21340 installed Avl RFQ
CD21348 cd21348 o-ring Avl RFQ
CD21379 cd21379 shock mount- package of three Avl RFQ
CD21380 cd21380 ignition unit 12vdc Avl RFQ
CD21381 cd21381 ignition unit Avl RFQ
CD21384 cd21384 fan four blade Avl RFQ
CD21385 cd21385 elbow, adapter 90 degree Avl RFQ
CD21386 cd21386 mount ignition Avl RFQ
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