CUSTOM COMPONENT SWITCHES INC 44A119 Learjet Cabin Altitude Inc. 20/30 Pressure Switch P/n Repairable

( Brand: Custom Component Switches Inc ), ( Manufacturer Part Number: 44A119 ), ( Part Type: Pressure Switch )

Review CUSTOM COMPONENT SWITCHES INC Inc. Learjet 20/30 Series Cabin Altitude Pressure Switch P/n Repairable

Introducing the 44A119 Learjet 25/30 Cabin Altitude Pressure Switch, a crucial component for maintaining optimal cabin pressure in your Learjet 25 or 30 aircraft. This repairable pressure switch, manufactured by Honeywell or Bendix/King, is designed to sense the cabin altitude and provide critical pressure information to the aircraft's flight control system.

The 44A119 switch is a pneumatically operated, two-position, normally open (NPNO) device. It utilizes a diaphragm assembly to detect changes in cabin altitude, which is measured in inches of mercury (Hg). When the cabin altitude rises above a predetermined level, the diaphragm assembly deflects, closing the switch contacts and activating a warning light or initiating other safety measures.

This switch is constructed from high-quality materials to ensure durability and reliability in the demanding aviation environment. Its rugged design and robust components make it ideal for continuous operation in the harsh conditions of commercial or private aviation.

The 44A119 is a repairable switch, which means that it can be serviced and rebuilt to restore it to its original performance specifications. This not only reduces the cost of replacement but also minimizes downtime for your aircraft. When the switch requires maintenance, it can be sent to an authorized repair facility for evaluation, repair, and calibration.

Installation of the 44A119 switch is straightforward, and it is designed to fit seamlessly into your Learjet 25 or 30 aircraft's wiring harness and flight control system. The switch comes with comprehensive installation instructions and diagrams to guide you through the process.

In summary, the 44A119 Learjet 25/30 Cabin Altitude Pressure Switch is an essential piece of equipment for ensuring the safety and comfort of your aircraft's cabin. Its reliable performance, durability, and repairability make it an excellent investment for any Learjet 25 or 30 owner or operator.

Pros and Cons of Buying a Repairable Learjet 24/30 Cabin Altitude Pressure Switch (44A119)

The Learjet 24 and 30 series aircraft use the 44A119 cabin altitude pressure switch for regulating the cabin altitude and pressure. If your aircraft's switch is malfunctioning, you might consider buying a repairable switch instead of a new one. Here are the pros and cons to help you make an informed decision.

1. Cost-effective: Buying a repairable switch is more cost-effective than purchasing a new one. The cost of a repairable switch can be significantly lower, as you are only paying for the repair rather than the entire component.

2. Availability: Repairable parts are often more readily available than new components, especially for older aircraft models like the Learjet 24 and 30. This can save you time in sourcing and waiting for a replacement part.

3. Environmental impact: Repairing a component instead of buying a new one reduces the amount of electronic waste generated.

1. Unknown condition: When buying a repairable switch, you cannot be entirely sure of its condition upon arrival. There is a risk that the switch may still have underlying issues that could cause further problems in the future.

2. Time commitment: The process of repairing a switch can take longer than installing a new one. This includes the time spent waiting for the part to arrive, the time spent on the repair itself, and the time spent testing the switch to ensure it is functioning correctly.

3. Risk of compatibility issues: There is a risk that the repaired switch may not be fully compatible with your aircraft's systems. This could result in additional time and cost spent on troubleshooting and potential modifications.

Considering the pros and cons, buying a repairable 44A119 cabin altitude pressure switch for your Learjet 24 or 30 can be a cost-effective solution. However, it comes with the risk of unknown condition, time commitment, and potential compatibility issues. If time is a critical factor, or if you prefer the peace of mind that comes with a new component, a new switch may be a better choice. Otherwise, a repairable switch could be an economical option for maintaining your aircraft.

If you decide to go with a repairable switch, ensure that you purchase it from a reputable supplier with a good track record for providing high-quality repairs. This can help minimize the risks associated with the unknown condition and potential compatibility issues. Additionally, consider factoring in the time commitment and potential for additional costs into your decision-making process.

Details:

Most items are shipped out the following day. Switch activated at 15,300. Learjet 23, 28, 29, 31, 35, 36. I make no determination or claim about the condition airworthiness of this part tool except as listed on accompanying documentation.

Repairable Parts Tag Green. Switch, Pressure. Range is 13,250' to 14,750.

part #: 44a119 price

• $588.00

specifications aviationpar:

• brand: Custom Component Switches Inc
• mpn: 44a119
• part type: Pressure Switch

general aviationpar:

• condition: Used
• Parts Accessories > Aviation Parts Accessories > Parts

payments aviationpar:

• wallet: Google-pay
• credit card: Discover
• other

offer aviationpar:

• availability: In Stock
• started: April 25, 2026
• quantity: 1
• best offers: True
• options: Ship-to-home
• sold: 0

returns aviationpar:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

shipping aviationpar:

• cost: $0.00
• transit: 4-9 Days
• type: Calculated
• class: Standard, Expedited, One-day
• carrier: USPS, UPS
• service: USPS First Class, UPS Ground, USPS Priority Mail, UPS Next Day Air

seller aviationpar:

• # reviews: 1654
• city: Sandpoint, Idaho
• rating: 100.0%

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