Simplex 4100-7158 NXP NEW Master Control UPGRADE KIT 0743777 Same Day Ship

SIMPLEX 4100-7158 NPX MASTER CONTROLLER CPU UPGRADE KIT

GENUINE SIMPLEX OEM | COMPLETE UPGRADE KIT | NEW – OPEN BOX

BRAND NEW — NEVER INSTALLED — FACTORY-SEALED ACCESSORIES

PRODUCT DETAILS

Manufacturer: Simplex

Model: 4100-7158

Part Number: 0743777

Description: NPX Master Controller CPU Upgrade Kit

Condition: New – Open Box

Quantity: One complete upgrade kit

Application: Applicable Simplex 4100-series master controller upgrade configurations

This is a complete, genuine Simplex OEM master controller upgrade kit—not simply an individual replacement CPU card.

Designed for compatible system upgrades requiring the appropriate NPX master controller hardware.

Please verify your panel's specific upgrade requirements, hardware revisions, firmware, and configuration before purchasing.

CONDITION & INCLUDED COMPONENTS

NEW – OPEN BOX | UNUSED | NEVER INSTALLED

The NPX CPU card is brand-new and unused. It has been removed from its original packaging for inspection and photography.

All remaining factory-packaged accessories are new and remain sealed.

Included with this complete kit:

NPX Master Controller CPU card

Original installation hardware

Factory cables and connectors

CompactFlash card

Cabinet identification decals

Associated OEM upgrade components shown in the photographs

IMPORTANT: The front door assembly, LCD display, and user interface are NOT included with this upgrade kit.

Photographs show the actual equipment offered for sale.

EXPERIENCE BEYOND THE PART NUMBER

Approximately 40 years of hands-on Simplex experience.

Our background includes installation, programming, troubleshooting, repair, system upgrades, and replacement of Simplex fire alarm equipment across multiple generations.

We understand that replacing one component doesn't always resolve every problem in a fire alarm system.

When reasonable, we're happy to share technical information with qualified fire alarm professionals to help identify the correct equipment.

OUR OBJECTIVE ISN'T TO SELL YOU A PART YOU DON'T NEED.

It's to help you source the right equipment for the problem you're trying to solve.

WHY SOURCE FROM THE SIMPLEX FIRE PROS?

We specialize in genuine Simplex fire alarm equipment and understand the importance of accurate identification, compatibility, and reliable service.

Our commitment includes:

Genuine Simplex OEM equipment

Accurate part numbers and condition descriptions

Actual photographs of the equipment offered

Professional inspection and testing when applicable

Careful electronics-grade protective packaging

Fast order processing and responsive communication

Fair pricing and knowledgeable technical support

YOU'RE NOT JUST ANOTHER CUSTOMER — YOU BECOME PART OF THE SIMPLEX FIRE PRO FAMILY.

We believe trust, experience, and helping customers solve problems matter more than maximizing profit on a single transaction.

SYSTEM DOWN? CONTACT US!

We understand the urgency of restoring critical life-safety equipment.

SAME-DAY SHIPPING: Available for orders received during normal business shipping hours.

EMERGENCY OVERNIGHT SHIPPING: Contact us before purchasing whenever possible to discuss expedited shipping arrangements and carrier availability.

All equipment is professionally packaged using electronics-grade protective materials.

PROFESSIONAL INSTALLATION & COMPATIBILITY

Simplex fire alarm equipment is specialized life-safety equipment and should be installed, programmed, and serviced by qualified fire alarm professionals.

Buyers are responsible for verifying the correct part number, hardware revision, firmware, and system compatibility before installation.

30-DAY RETURNS & EQUIPMENT PROTECTION

Returns are accepted within 30 days in accordance with 's applicable return policies.

Please verify equipment compatibility before purchasing.

Serial numbers, date codes, hardware revisions, and identifying characteristics are documented before shipment.

Returned equipment must be the same equipment originally shipped.

Equipment returned installed, altered, damaged, disassembled, or with exchanged components may be subject to deductions or other remedies where permitted by 's policies.

All returned equipment is inspected for identity, completeness, and condition.

THE SIMPLEX FIRE PRO DIFFERENCE

REAL SIMPLEX EXPERIENCE.

GENUINE OEM EQUIPMENT.

ACCURATE DESCRIPTIONS.

FAIR PRICING. FAST SHIPPING.

RESPONSIVE COMMUNICATION.

PEACE OF MIND.

Because when you're responsible for keeping a fire alarm system operational, WHO YOU BUY YOUR REPLACEMENT EQUIPMENT FROM MATTERS. Simplex 4100-7158 Master Controller Upgrade Kit – New static sealed Open Box for pictures

Up for sale is a Brand New, never installed Simplex 4100-7158 NXP Master Controller CPU Upgrade Kit. This kit is used to upgrade existing legacy panels over to the modern 4100ES platform, adding advanced processing power, onboard Ethernet capabilities, and expanded flash memory capacity.