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MASTER PCB Products
3G Electric (S) Pte. Ltd. — Singapore
Used in
Common applications for MASTER PCBResidential gas furnace repair — MASTER PCB furnace control board (e.g., 72-014-0100) replacing a failed OEM board
Light commercial HVAC maintenance — MASTER PCB secondary control board (e.g., 75-025-0490) for packaged unit control
Heat pump system restoration — MASTER PCB control board (e.g., 72-025-0450) for defrost and fan sequencing
Electric furnace service — MASTER PCB board used as a drop-in replacement for sequencer or blower control
HVACR parts inventory — Stocking MASTER PCB boards for on-demand replacement in multi-unit residential buildings
MASTER PCB Products
3G Electric supplies MASTER PCB replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









