Laars Heating Systems RTXD7108 Control Board 321702-401 Maintenance Safety: Removable pull-out head

Maintenance Safety: Removable pull-out head provides a visible and secure break in power for technician safety

this heavy-duty steel base ensures proper mechanical alignment and vibration isolation

Engineered with a durable brass valve body and a direct acting mechanism

5-inch wide kit fits most 120

Laars Heating Systems RTXD7108 Control Board 321702-401 Maintenance Safety: Removable pull-out headThe Laars Heating Systems RTXD7108 Control Board is a critical microprocessor based ignition control board designed for high performance gas fired residential and commercial heating equipment. Engineered to manage the full direct spark ignition sequence, this OEM component regulates gas valve timing, spark generation, and continuous flame sensing to verify safe combustion. As a veteran grade HVAC replacement part, it is built to withstand the rigorous