FCCUM Control Board Replacement for Pit Boss AC03P9 PB1100PS1 - LCD Display, Dual Probe Support

FCCUM AC03P9 PB1100PS1 is a direct-fit replacement control board with a bright LCD display designed to restore digital temperature control and probe monitoring on compatible Pit Boss pellet grills and smokers.

When a failed controller leaves your Pit Boss grill unresponsive, swapping in a reliable replacement board gets you back to consistent temperature control, accurate readouts, and programmable smoke settings. This FCCUM module matches the Pit Boss AC03P9 form and function so you can quickly replace the original unit and regain full control over your pellet grill’s cooking profile.

Will this control board work with my Pit Boss model?

Yes — the FCCUM AC03P9 PB1100PS1 is built to be compatible with a range of Pit Boss pellet grills. It follows the same mounting and connector layout as the factory AC03P9 unit, minimizing installation hassle.

• Compatible models: PB440D2, PB1150G, PB850G, PB550G, PB820, and Pro 1100.
• Direct replacement for AC03P9 / PB1100PS1 controllers.
• Includes same LCD and connector positions for plug-and-play fit.
• Works with grills that use dual meat probe inputs and digital temperature control.

How easy is installation and setup?

Installation is designed to be straightforward: the unit is a plug-and-play replacement that uses the original wiring harness and mounting points. Basic tools are usually all you need, and no firmware flashing is required.

• Plug-and-play connectors match the OEM harness to reduce wiring errors.
• Standard mounting holes align with Pit Boss control panels for a direct swap.
• Preconfigured temperature range and modes mean minimal setup after installation.
• Dual probe sockets accept the grill’s meat probes for internal temperature monitoring.

What features and settings does the replacement display offer?

The FCCUM control board features a clear LED-backed liquid crystal display for precise temperature readouts and mode selection. It supports multiple cooking temps and a dedicated smoke setting to match typical pellet grill usage.

• Eight cooking temperature presets spanning 200–475°F for versatile grilling and smoking.
• Smoke mode with adjustable "P" setting to fine-tune low-and-slow performance.
• Bright LCD shows set temperature, current grill temp, and probe readings.
• High-temperature resistant construction for extended service life in grill environments.

Does it support meat probes and safety monitoring?

Yes — the board includes two probe interfaces so you can monitor internal meat temperatures while keeping the lid closed. Accurate probe inputs help you manage doneness and avoid heat loss from repeated lid checks.

• Dual meat probe ports for simultaneous monitoring of main and secondary pieces.
• Probe readings display on the LCD alongside grill temperature for quick reference.
• Designed to maintain stable control to reduce temperature swings during long cooks.
• Durable components rated for the heat and humidity found in outdoor grills.

Who is this for? Grillers who own a compatible Pit Boss pellet grill and need a reliable, OEM-style replacement controller will benefit from the FCCUM AC03P9 PB1100PS1. It’s aimed at DIY repairers, backyard barbecue enthusiasts, and anyone who wants to restore digital temperature control and probe monitoring without replacing the entire grill. If your original control board is unresponsive, displays errors, or the LCD has failed, this replacement provides an economical way to return your pellet grill to dependable operation. For help with installation or compatibility questions, contact FCCUM customer support through your retailer’s messaging system.