Description
Inovonics ACC522-25 Black Pendant Back Cover | Replacement Base Housing
The Inovonics ACC522-25 Black Pendant Back Cover is a genuine replacement base housing designed for compatible black Inovonics EchoStream® pendants and fixed-position transmitters. Each package contains 25 black replacement back covers, making it a convenient service accessory for security dealers, healthcare facilities, commercial users, and organizations maintaining multiple Inovonics wireless devices.
Replacing a worn, cracked, damaged, or missing back cover can help restore the physical enclosure of an otherwise serviceable transmitter. The ACC522-25 is intended for compatible Inovonics black pendant housings and should be matched carefully to the exact transmitter model before ordering.
The ACC522-25 contains housing components only. It does not include an EchoStream transmitter, battery, activation-button cover, keypad, belt clip, necklace, mounting hardware, or electronic components.
Verify the Transmitter Model: Inovonics manufactures several similar-looking pendant housing components. Confirm the model number printed on the transmitter before ordering. The ACC522-25 is a black back cover or base housing—not the front button cover.
Key Features and Benefits
- Genuine Inovonics accessory: Manufactured for use with compatible Inovonics black pendant-style transmitters.
- Replacement back housing: Replaces the rear or base portion of a compatible transmitter enclosure.
- Black finish: Matches the standard black housing used by the specified Inovonics models.
- Bulk 25-pack: Provides replacement components for maintaining multiple deployed transmitters.
- Cost-conscious maintenance: May allow a damaged housing component to be replaced without replacing an otherwise functional transmitter.
- Service inventory: Useful for security dealers, technicians, healthcare facilities, commercial users, and maintenance departments.
- No frequency programming: This passive housing component contains no wireless electronics or encoded information.
- No system enrollment: Replacing the cover does not change the transmitter’s identification number or system programming.
Product Specifications
| Manufacturer | Inovonics Wireless Corporation |
| Part Number | ACC522-25 |
| Product Type | Replacement pendant back cover/base housing |
| Color | Black |
| Package Quantity | 25 back covers |
| Platform Association | Inovonics EchoStream® |
| Operating Frequency | Not applicable |
| Electronics Included | No |
| Battery Included | No |
| Front Button Cover Included | No |
| Complete Transmitter Included | No |
Compatible Inovonics Models
The official Inovonics ACC522-25 product page currently identifies compatibility with the following black pendant and transmitter models:
- EN1224 Multiple-Condition Pendant
- EN1224-ON Multiple-Condition On/Off Pendant
- EN1235S Single-Button Belt-Clip Pendant
- EN1235D Double-Button Belt-Clip Pendant
- EN1236D Double-Button Three-Condition Pendant
- EN1238D Double-Button Dual-Condition Pendant
- EN1235SF Single-Button Fixed-Position Transmitter
- EN1235DF Double-Button Fixed-Position Transmitter
Compatibility reminder: Some compatible models may use different front covers, keypads, button arrangements, clips, or mounting configurations. The ACC522-25 replaces only the compatible black rear/base housing.
What Is Included?
Included
- 25 black pendant back covers
- Genuine Inovonics replacement housing components
Not Included
- Complete EchoStream transmitters
- Electronic circuit boards or activation buttons
- Batteries, belt clips, necklaces, or wrist straps
- Front button covers, keypads, or other housing pieces
When Should the Back Cover Be Replaced?
A pendant back cover may need replacement when the original housing is cracked, chipped, worn, missing, or no longer closes securely. Physical housing damage can expose the transmitter electronics or prevent the enclosure from fitting together correctly.
The complete transmitter should be inspected before reusing it. If the circuit board, activation buttons, battery contacts, tamper components, seals, or other internal parts are damaged, replacing the back cover alone may not return the device to proper operating condition.
What to Verify Before Ordering
- Transmitter model: Confirm the exact Inovonics model number before selecting a replacement housing component.
- Required housing section: Verify that the rear or base housing is damaged—not the front button cover or keypad.
- Housing color: The ACC522-25 is black and is intended for compatible black Inovonics devices.
- Package quantity: One order contains 25 replacement back covers.
- Other damaged components: Determine whether batteries, belt clips, button covers, seals, springs, or additional parts are also required.
- Device condition: Inspect the electronics and internal components before placing the transmitter back into service.
Replacement and Testing Guidance
- Place the associated security or alarm system into the appropriate service or test mode.
- Follow the transmitter’s installation instructions when opening the housing.
- Inspect the battery, circuit board, activation mechanism, contacts, and internal components for damage.
- Transfer only serviceable components into the compatible replacement housing.
- Make sure the housing closes completely without pinching or displacing internal components.
- Test every activation button and operating condition supported by the transmitter.
- Verify that the receiver or control panel receives the correct alarm, restoration, tamper, and low-battery messages.
- Return the device to service only after successful functional testing.
Professional service recommended: Transmitters used for panic, duress, hold-up, or other security-critical applications should be repaired and tested by qualified security personnel.
Frequently Asked Questions
What is the Inovonics ACC522-25?
It is a 25-pack of genuine black replacement back covers or base housings for compatible Inovonics pendant-style transmitters.
How many back covers are included?
Each ACC522-25 package contains 25 black pendant back covers.
Does the ACC522-25 include complete transmitters?
No. It contains replacement housing components only. Transmitter electronics, batteries, buttons, clips, and other accessories are not included.
Is this the front button cover?
No. The ACC522-25 is the rear or base housing. Front button covers and keypad components have separate Inovonics part numbers.
Will replacing the cover change the transmitter programming?
No. The cover contains no electronics or programmed identification. The transmitter retains its existing electronic identity when its original circuit board is reused.
Does the transmitter need to be tested after replacing the housing?
Yes. Test all buttons, alarm conditions, tamper functions, restorations, supervision, and low-battery reporting before returning the transmitter to service.
Is the ACC522-25 compatible with gray or white pendant housings?
It is specifically identified as a black back cover. Verify the device color and model because other Inovonics pendant families use different replacement housings.
Manufacturer Resource
ACC522-25 Manufacturer Product PageInovonics does not currently provide a dedicated ACC522-25 datasheet on its product page. Compatibility and product details were verified through the official manufacturer listing.
Genuine Replacement Housings for Inovonics Black Pendants
The Inovonics ACC522-25 Black Pendant Back Cover 25-Pack provides security dealers and facility maintenance teams with genuine replacement base housings for compatible Inovonics black pendants and fixed-position transmitters. Its bulk packaging makes it a practical service accessory for maintaining deployed EchoStream devices while preserving the original transmitter electronics and system programming.
