Roy for Model Number wcvh6600hww The inverter that the technician showed me on my machine that is bad is a whole lot smaller than what was ordered. The original is just bigger than a computer mouse. He said it's called and inverter. The one I ordered is the only one I saw for purchase. AP4421584
Answer Hello Roy. According to your model number, this is the correct inverter board for your unit. Hope this helps. Read More... Answered by AppliancePartsPros.com | Monday, April 18, 2011