This listing is a Repair Service for the unit. Regardless of what issues your unit has, we will fully refurbish the unit. A normal repair can be completed within 2-3days depending on part stock. If additional non stock parts are needed are needed, this could increase lead times by 3-10 days. Our repairs are guaranteed for 6-12 Months, depending on which product you are repairing.We are very liberal with our policy. However, we do not cover external power surges or abuse. There will be no other charges at all. All customer units are logged in our system with their model and serial number. The item "Repair Service for Onan Control Board 300-4297 6-Mon Warranty" is in sale since Wednesday, May 6, 2020. This item is in the category "Specialty Services\Restoration & Repair\Electronics". The seller is "brooks_circuit_specialists" and is located in Mount Laurel, New Jersey. This item can be shipped worldwide.