Manufacturer Name: Nortec Humidity Product Number: 2573515 OEM Part Number: 2573515 Product Description: Sp Fill Valve Assy, 005-020Lbs Weight:0.35lbs/158.76g The Nortec Humidity 2573515 Fill Valve Assembly is a replacement part specifically designed for Nortec humidifier systems. This compact component (typically 4.3 inches) is made from durable aluminum. For an efficient a... https://www.partshnc.com/2573515-nortec-humidity-sp-fill-valve-assy-005-020lbs