439SN-WH ADEMCO Magnetic Flush Mount Contacts

Review ADEMCO Magnetic Flush Mount Contacts

Introducing the ADemco 439SN-WH Magnetic Flush Mount Contacts 4191WA, a versatile and reliable security solution designed to provide peace of mind for your home or business. These contacts are part of the ADemco 439 series, known for their exceptional performance and ease of installation.

The ADemco 439SN-WH contacts are magnetic, making them a popular choice for securing doors and windows. The white finish (4191WA) blends seamlessly with most interior decors, ensuring a clean and aesthetically pleasing appearance. The contacts are designed to be flush mounted, allowing for a smooth and level installation that is both discreet and professional.

The ADemco 439SN-WH contacts feature a strong neodymium magnet that ensures a secure and tight connection when the door or window is closed. The contacts are designed to detect any break in the magnetic field, triggering an alarm signal when the door or window is forced open.

These contacts are compatible with various security systems, including those by ADemco, Honeywell, and others that use the same 2-wire, normally closed (NC) contact configuration. The contacts are also suitable for both AC and DC powered systems, providing flexibility in system design and configuration.

The contacts are easy to install, requiring only a few simple steps. The included mounting plate allows for quick and secure attachment to the door or window frame. The contacts come with pre-wired leads, making the wiring process straightforward and efficient.

In summary, the ADemco 439SN-WH Magnetic Flush Mount Contacts 4191WA are a high-performing and versatile security solution for securing doors and windows. Their magnetic design, white finish, and flush mount capability make them a discreet and professional addition to any security system. Their compatibility with various security systems and ease of installation make them a popular choice among security professionals and DIY installers alike.

Pros and Cons of Buying Ademco 439SN-WH Magnetic Flush Mount Contacts 4191WA

The Ademco 439SN-WH Magnetic Flush Mount Contacts 4191WA are widely used in security systems for door and window applications. These contacts offer several advantages and disadvantages, which are crucial to consider before making a purchase.

1. Magnetic Contacts: The Ademco 439SN-WH contacts utilize magnetic technology, which ensures reliable and secure contact closure when the door or window is closed. This feature is beneficial in preventing false alarms caused by contact bounce or poor contact quality.

2. Flush Mount Design: The contacts have a sleek, flush mount design that makes them aesthetic and discrete. This design is particularly advantageous in situations where the contacts need to be installed in visible areas, such as doors in living rooms or offices.

3. Tamper-Resistant: The Ademco 439SN-WH contacts come with a tamper-resistant feature that helps prevent unauthorized access or manipulation of the contacts. This feature is essential for maintaining the security of your property.

4. Compatibility: These contacts are compatible with various security systems, including Ademco Vista series, Honeywell LYNX Touch, and DSC PowerSeries Neo. This versatility allows users to integrate the contacts into their existing security systems with ease.

1. Requires a Transformer: To function correctly, the Ademco 439SN-WH contacts need a transformer to provide power. This requirement adds an additional cost and complexity to the installation process.

2. Limited Wire Length: The contacts come with a limited wire length of 18 inches, which may not be sufficient for larger installations. In such cases, users may need to purchase extension wires, which can add to the overall cost of the project.

3. Fragile Design: The magnetic contacts have a somewhat fragile design, which can make them susceptible to damage. For instance, they may get misaligned or damaged during installation, leading to poor contact closure and potential false alarms.

The Ademco 439SN-WH Magnetic Flush Mount Contacts 4191WA offer several advantages, such as reliable magnetic contact technology, a sleek flush mount design, tamper resistance, and compatibility with various security systems. However, they also come with some disadvantages, including the need for a transformer, limited wire length, and a fragile design.

If the advantages outweigh the disadvantages for your specific security application, then the Ademco 439SN-WH contacts could be a suitable choice. However, it is crucial to weigh the pros and cons carefully and consider alternative options, such as standard wired contacts, if the disadvantages pose significant challenges to your installation.

If you require magnetic flush mount contacts for your security system and value the advantages they offer, such as reliable contact closure and a sleek design, then the Ademco 439SN-WH Magnetic Flush Mount Contacts 4191WA could be an excellent choice. Ensure that you are prepared for the additional costs and complexities associated with the transformer requirement and limited wire length. If these factors are deal-breakers for your project, consider alternative options, such as standard wired contacts or magnetic contacts with built-in transformers.

Details:

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specifications alarmpartsacc:

• brand: Ademco
• mpn: 439sn-wh
• model: Ademco 439sn-wh
• part type: Mount
• upc: 781410007086

returns alarmpartsacc:

• policy: no returns

general alarmpartsacc:

• category: Business & Industrial > Surveillance Equipment > Systems > Alarm Parts Accessories

offer alarmpartsacc:

• best offers: true
• started: january 12, 2026
• prices: $6.00–$25.00
• item condition:
  • New
  • New – Open box
  • Used
• sold #: 11
• availability: in stock
• options: ship-to-home
• in stock #: 5

seller alarmpartsacc:

• rating: 100.0%
• # reviews: 156
• city: watertown, new york

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• class: standard
• carrier: usps
• type: calculated
• transit: 4-9 days
• service: usps ground advantage