Check the listing for details. Ohmeda Infant Warmer System Oem Main Logic Control Board Assy Tested. Condition: Seller refurbished. Listed at 745.00 USD. Ohmeda Infant Warmer System PartsSPARES - REPAIRS - UPGRADESGENUINE OEM OHMEDA PARTSMPN # 6600-0521-700Oem Main Logic Control Board Assembly TestedTested - Get a Good One ! Sells elsewhere online for MUCH MORESave $$$ right here at GetThatPart ! About This ItemReconditioned part from fully tested machine, inspected thoroughly. Only what is shown is included. Guaranteed functional and guaranteed for 30 daysKnow What You are BuyingWe typically take the time to post actual pictures of the unit you are buyingWe also typically take the time to thoroughly test the units we are sellingBuy with CONFIDENCE from a reputable seller with 20 Years experienceDESCRIPTION Manufacturer - OhmedaPart # 6600-0521-700SKU: 115922TESTED Parts – these parts were all tested and confirmed functional in all modes in our professional shop before parts harvest. Machine was Ohmeda Medical / Infant Warmer System Model 4400 and the S/N was HCCL00693 Description – Main Logic Controller Board for the machine. Ohmeda firmware chip shows 0799-R 6.10Comps - GE Datex Ohio Ohmeda Infant Warmer System (IWS) Model 4400 and possibly others in the family such as 5000 3000 3050 3100 3150 3300 3500 4000 4300 - please check to be certain before ordering.Other Numbers – 66000521700 6600-0800-600 66000800600 6600-0223-700 66000223700 6600-0509-500 66000509500 6600-0101-850 66000101850 Thanks for looking!