Manual ((top)) — Tgc Bc901h

TGC BC90-1H (often referenced as BC901H in parts lists) is a wired remote controller used for TGC brand instantaneous gas water heaters

interface is built for high-speed scannability and ease of use: tgc bc901h manual

If the display flashes a numerical code, it indicates a specific issue: Code 11 / 12 TGC BC90-1H (often referenced as BC901H in parts

Acquire Priority: If the "Priority" light is not on, press the Priority button. You cannot adjust the temperature unless the Priority light is lit on your specific remote. Symptom → cause → fix table for 15–25

• Symptom → cause → fix table for 15–25 common issues
• LED/status codes explained
• When to contact support and what info to collect