Simplex 0636048 H Fire Alarm Transformer Assembly This Simplex 0636048 H Fire Alarm Transformer Assembly has an H as part of the model number, we are unable to find any info on the H model, but this looks identical to the F, please ensure that this is the model you are looking for. Devices were taken through an inspection process with an inspection sticker applied, appears to have been recertified, everything appears to be damage free but we are unable to test so it is being sold as-is. Please check all pictures and feel free to ask questions. We are selling a huge amount of new alarm equipment! Please take a look at our other listings! Feel free to message me for an inventory list including other items that we haven't listed yet! *WE CAN WORK OUT A DEAL FOR BULK ORDERS* SHELF: Warehouse BL