520741 Suburban Furnace and Water Heater DSI Module board -- 3-try

• Fits : NT-12-S; NT-12-SE; NT-16-S; NT-16-SE; NT-20-S; NT-20-SE; NT-24-S; NT-24-SP; NT-24-M; NT-25-K; NT-30-S; NT-30-SP; NT-30-M; NT-30-K; NT-34-S; NT-35-K; NT-40; NT-42-T; SF-20, F; SF-25, F; SF-30, F; SF-35, F; SF-42, F; FDSI6, 6M; FDSI8, 8M; DSI6, 6M; DSI8, 8M; DSI10, 10M; SW6D; SW10D
• For older furnaces with external relay.
• Brand new factory warranty
• There are no returns on electrical items, so please be certain this item is correct for your application.