This wiring assembly connects the Wi-Fi module to compatible NTI boiler models, including TRX120, TRX085, TRX150C, TRX110C, TRX150, TRX199, TRX199C, FTVN085, FTVN110, FTVN110C, FTVN150, FTVN150C, and FTVN199, allowing for wireless communication and system management.