Thermostatic Expansion Valve Kit, Capillary Tube Length: 30 inch, Refrigerant Type: R-410A, Material: Bi-Metal, Dimensions: 19 inch L x 3.8 inch W x 3.8 inch H, For Use With: Models RCFM-HM3617AC, RCFM-HM3621AC, RCFM-HU3617AU, RCFM-HU3621AU, RCSM-HM3621AU, RCSM-HU3621AU, RCFL-AU3617AC, RCFL-AU3617BC, RCFL-AU3621AC, RCFL-AU3621BC, RCFL-HM3617AC, RCFL-HM3621AC, RCFL-HU3617AU, RCFL-HU3621AU, RCSL-AU3617AU, RCSL-AU3621AU, RCSL-HM3617AU, RCSL-HM3621AU, RCSL-HU3617AU, RCSL-HU3621AU, Applications: For Flow Control of Liquid Refrigerant