Bonaire Gas Heater Controller Board (PCB) – Suits MB4 & MB5 Units (5441212SP)

Bonaire Gas Heater Controller Board (PCB) – Suits MB4 & MB5 Units (5441212SP)

Replacement controller board (PCB) for Bonaire MB4 and MB5 gas heaters. Handles ignition sequencing, fan control, safety monitoring, and system regulation. Direct‑fit board designed for straightforward servicing on MB‑series units.

Features:

• Genuine Bonaire replacement part
• Blue protective case included
• Pre assembled wiring harness
• Programmable wall thermostat support
• Multi zone heating compatible
• Pre programmed burner cycles
• Fits 4 and 5 star heaters (MB4 & MB5)
• Bonaire part number 5441212SP