The NTI Boiler 6000086436 Gas Valve Harness is an electrical wiring assembly designed for compatible NTI Trinity TFT and related boiler systems. It connects the boiler’s control circuitry to the gas valve, transmitting electrical signals that help regulate gas flow during heating operation. This replacement component supports proper communication between the control board and gas valv... https://www.partshnc.com/6000086436-nti-boiler-gas-valve-harness