part 3604.0037 Delivery Valve Comet code 3604.0037 Details Comet number3604.0037 DescriptionDelivery Valve ItalianValvola MandataQty per pump3 Fits these pumps Comet TWS 5 TWS 4073 STWS 4573 STWS 5073 STWS 6073 STWS 7073 S