1. Introduction
This manual provides instructions for the proper setup, operation, and maintenance of your YING RAY T-B7 replacement remote control. This remote is designed to function as a direct replacement for specific Twin Star Dura Flame fireplace heater models, offering convenient control over your unit's functions.
Important Note: This is not a universal remote control. It is specifically designed for the following models:
- 20IF300GRA
- 20IF300GRA-C202
- 20IF300GRA-O107
- 20IF300GRA-O107DF
- 20IF300GRA-C202DF
- 23II200GRA
- 23II200GRA-PROD
If your fireplace heater model is not listed, please verify compatibility before use.
2. Safety Information
- Keep batteries out of reach of children.
- Do not mix old and new batteries, or different types of batteries.
- Dispose of used batteries according to local regulations.
- Do not expose the remote control to water or excessive moisture.
- Avoid dropping the remote control or subjecting it to strong impacts.
3. Product Overview
The YING RAY T-B7 remote control features a straightforward design for ease of use. Below is an illustration of the remote and a description of its buttons.

This image displays the front of the YING RAY T-B7 remote control. It features a black body with a silver-colored panel containing gray buttons. From top to bottom, the buttons are: POWER, FLAME, TIMER, HEATER, and two arrow buttons (up and down) for adjustment. The model number (T-B7) is printed at the bottom of the silver panel.
Button Functions:
- POWER: Turns the fireplace heater ON or OFF.
- FLAME: Adjusts the flame brightness or effect.
- TIMER: Sets or adjusts the operational timer for the heater.
- HEATER: Activates or deactivates the heating function.
- ▲ (Up Arrow): Increases settings such as temperature, flame intensity, or timer duration.
- ▼ (Down Arrow): Decreases settings such as temperature, flame intensity, or timer duration.
4. Setup
Battery Installation:
The remote control requires two AAA 1.5V batteries (not included).

This image shows the back of the YING RAY T-B7 remote control. The surface is black and smooth, with a removable battery compartment cover located at the bottom, indicated by a small indentation for opening.

This image illustrates the back of the YING RAY T-B7 remote control with the battery cover detached. The open compartment clearly shows two slots for AAA batteries, along with the positive (+) and negative (-) terminals.
- Locate the battery compartment on the back of the remote control.
- Press down on the tab and slide the battery cover off.
- Insert two AAA 1.5V batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Slide the battery cover back into place until it clicks securely.
The remote control is now ready for use without any additional programming.
5. Operating Instructions
Point the remote control directly at the infrared receiver on your fireplace heater unit for optimal performance.
- Power ON/OFF: Press the POWER button once to turn the unit on, and press it again to turn it off.
- Adjust Flame: Press the FLAME button to cycle through different flame brightness levels or effects.
- Set Timer: Press the TIMER button to activate the timer function. Use the ▲ (Up) and ▼ (Down) arrow buttons to adjust the desired operating duration.
- Control Heater: Press the HEATER button to turn the heating element on or off. When the heater is on, use the ▲ (Up) and ▼ (Down) arrow buttons to adjust the temperature setting.
6. Maintenance
- Cleaning: Wipe the remote control with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Battery Replacement: Replace batteries when the remote control's range decreases or it stops responding. Always replace both batteries at the same time with new AAA 1.5V batteries.
- Storage: If the remote control will not be used for an extended period, remove the batteries to prevent leakage.
7. Troubleshooting
Remote Control Not Responding:
- Check Batteries: Ensure batteries are inserted correctly with the correct polarity (+/-). Replace with fresh AAA 1.5V batteries.
- Line of Sight: Make sure there are no obstructions between the remote control and the fireplace heater's receiver.
- Distance: Ensure you are within the effective operating range of the remote control.
- Compatibility: Double-check that your fireplace heater model is listed as compatible with the T-B7 remote control.
8. Specifications
- Model: T-B7
- Brand: YING RAY
- Power Source: 2 x AAA 1.5V Batteries (not included)
- Compatible Devices: Twin Star Dura Flame Fireplace Heaters (Models: 20IF300GRA, 20IF300GRA-C202, 20IF300GRA-O107, 20IF300GRA-O107DF, 20IF300GRA-C202DF, 23II200GRA, 23II200GRA-PROD)
9. Warranty and Support
Specific warranty information for this product is not available in the provided details. For support or warranty inquiries, please refer to the seller or manufacturer's contact information provided at the time of purchase.





