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No output on the secondary while the primary is energized indicates an internal open circuit
allowing you to pull any belt from stock for a matched set without checking individual batch codes
promoting efficient ignition even in high-demand hydronic environments
as well as Victor J-series (J28
Trane CNT3776 Ignition Module Freon No output on the secondaryThe Trane CNT3776 is a professional grade 24V 3TFI ignition module engineered for precise combustion control in residential and light commercial heating systems. Utilizing a "Three Try For Ignition" (3TFI) sequence, this OEM replacement control board ensures reliable burner startup and consistent performance even in demanding environments. It is designed to manage timing for the pilot gas valve, main valve, and igniter while monitoring flame
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