The Furrion Main PCBA Control Board you ordered with a 5-prong connector fits specific models, but Furrion fireplaces use multiple board revisions with different connectors, including 6-prong types. To find the correct replacement, please provide a photo of your fireplace's model label, a clear image of your original control board showing the connectors, and the full Furrion fireplace model number. For returns, you can submit a request through our returns portal at https://elkhartrvparts.com/pages/returns?ref=ALIRVP, including your order number and shipping zip code. Once approved, you will receive detailed return instructions. We are here to assist you in identifying and obtaining the correct part.