The Fenwal 35-705902-001 is a direct spark ignition (DSI) control module designed for reliable performance in heating systems. Engineered with advanced technology, this unit ensures efficient operation with a 120-volt power input and incorporates a 4-second trial for ignition with zero-second pre-purge to enhance safety and efficiency.
The Fenwal DSI Control Module is particularly suited for professional HVAC installations requiring precise ignition controls.