and TNJW Series (depending on specific installation setup).
The TGC BC-90-1H is a wired bathroom remote control for Towngas instantaneous gas water heaters that allows for temperature adjustment (35°C–60°C) and operational control. It features a priority system for multiple remotes, a safety indicator for temperatures above 50°C, and diagnostic error codes for troubleshooting. For more details, visit Towngas Appliance User Manuals portal .
The BC-90-1H unit typically features a digital display and several intuitive buttons:
For detailed, model-specific instructions for your specific TGC water heater (such as RBOX16QR), it is recommended to download the official TGC Water Heater User Instructions from the Towngas website. tgc bc-90-1h manual
: If hot water is actively flowing through a tap, the system prevents sudden high-temperature shifts for safety. While running, you can only set temperatures up to 48∘C48 raised to the composed with power C . If it is already set higher than 50∘C50 raised to the composed with power C , you can only adjust it downward while water is running. 3. High-Temperature Safety Alert Setting the water temperature to 50∘C50 raised to the composed with power C or above triggers a safety warning.
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Note: These instructions are based on general operational procedures for Towngas Remote Controllers. 1. Switching On/Off and TNJW Series (depending on specific installation setup)
A slight backward tilt (no more than 1 centimeter) helps the glass door close automatically and seal tightly. Operating instructions & Temperature Control
If another controller was in use, its priority indicator will blink or turn off, signaling that the is now in control. 4. Safety Precautions
: Requires cautious adjustment. If the water heater remains idle for over 10 minutes, the priority clears and automatically drops the high-heat target back down to a safe 48°C baseline to protect users against accidental scalding. 4. Managing Pre-Heating Functions For more details, visit Towngas Appliance User Manuals
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Most Towngas systems support up to three remote panels (e.g., two BC-90-1H bathroom controllers and one MC-90-1H kitchen controller). Master control is required to alter hot water settings:
If you own a TGC gas water heater (also known as Towngas), you may have come across the model number . This is not a standalone device, but the bathroom remote controller for a range of TGC instantaneous gas water heaters.