Carrier Bryant Payne Furnace control circuit board module HK42FZ018 Brand new, box opened to take pictures. Please do the research to see if it fits your system, I won’t be able to tell you. If you are not sure what this is or how to set up and configure this equipment, then this is probably not what you want. I cannot provide any technical assistance. New, never installed, It is old stock, but it has never been installed or used. Has been sitting on the shelf for awhile but it’s new. If your problem is not solved by replacing this part, it is still not returnable. Some of the items have shelf wear and some items may have been on the shelf of a service van but none of the parts are used unless specified above. We do not mark merchandise values below value or mark items as “gifts” – US and International government regulations prohibit such behavior. Unless otherwise specified, if it’s not in the picture, it’s not included. Should fit: PG9YAA060100ACSS 19 PG9YAB036080AAAA 12 PG9YAA036060ABSS 19 PG9YAB060100AAAA 12 PG9YAA036080ACSS 19 58HDX080 10116 12 PG9YAA048080ACSS 19 359AAV060100AAAA 12 58HDX080 10112 12 PG9YAA060100ABSS 19 PG9YAA048080ABSS 19 359AAV036080AAAA 12 PG9YAA036080ABSS 19 PG9YAB036060AAAA 12 58HDX100 10120 12 PG9YAB048080AAAA 12 359AAV036060AAAA 12 58HDX060 10112 12 359AAV048080AAAA 12 PG9YAA036060ACSS.