TR2001 Gas Fireplace On/Off Remote Control Kit for Millivolt Valve, Electronic Ignition Module, Plug-in, Receiver Box with 100-240VAC Input, Wireless 46010674 The hollow design on both

The hollow design on both sides and bottom achieves better air circulation

If your grill are other brand

the size is 8

47 square inches for MESA XL

low thermal conductive

TR2001 Gas Fireplace On/Off Remote Control Kit for Millivolt Valve, Electronic Ignition Module, Plug-in, Receiver Box with 100-240VAC Input, Wireless 46010674 The hollow design on bothATTENTION: This device is NOT a power supply Ignitor unit. (No voltage output itself, but passing voltage from your fireplace thermopile for safety reason). Please connect it with power source or circuit in series if using it as a switch. Durablow 100 240VAC powered (no battery needed in receiver) R. F. 2 button transmitter and receiver kit gives wireless remote control to a gas heating appliance, including gas fireplace, fire pit, stove, ensuring