The JB K1-1 uses 3/4" NPS (National Pipe Straight) threads

Reliable Millivolt Output: Ensures consistent voltage to the standing pilot gas valve

Which water heater models use this specific gas valve

Precision Airflow Control: Maintains consistent air delivery to prevent evaporator coil freeze-ups and furnace overheating

Trane CNT6951 Control Board 323080-701 The JB K1-1 uses 3/4"The Trane CNT6951 integrated furnace control board acts as the central microprocessor for managing ignition sequences, blower timings, and safety circuits in specific high efficiency furnace models. For technicians performing HVAC control board replacement, this OEM component ensures seamless communication between the thermostat and system hardware. It features a streamlined layout for easy furnace control board troubleshooting and utilizes diagnostic