The SF‑39143 PCB is the “brain” of TC4 and Data II fog machines. With its digital control architecture, it enables the versatile feature set of these machines — including pump/fan output regulation, DMX 512 compatibility, timer or stand‑alone operation, fluid output control (from 1% to 99%), and automated temperature management to maintain safe, reliable fog generation.
When a TC4/Data II experiences faults such as erratic fog output, heater/pump failures, or loss of DMX/remote responsiveness, replacing the mainboard with SF‑39143 restores the original control logic — often resolving control‑related issues at once. Because it is a factory original, you get proper fitment, correct firmware/electronics behavior, and compliance with Smoke Factory's design standards.
This makes SF‑39143 an essential spare for rental houses, touring rigs, or any user who needs to maintain uptime and reliability — especially in professional show environments.
| Brand | Smoke Factory |
| Name | Smoke Factory SF-39143 | PCB Mainboard TC4 / Data II | OEM Control Board Replacement |
| Primary Category | Main Control PCB for Fog Machine |
| SKU | SF-39143 |
| Control Interfaces | DMX 512, timer, stand-alone, remote control |
| Firmware Updates | Correct firmware/electronics behavior ensured |
| Warranty Length | Guaranteed by Smoke Factory years |