The VCMA Series is a fully automatic condensate removal pump with 1/2 gallon capacity. The series features a vertical-type pump with stainless steel motor shaft, rust proof, high-impact ABS volute, tank and motor cover, 3 drain holes, removable 3/8" O.D. barbed check valve. (ULS) models include a safety switch that can be connected to shut down the air conditioner condenser or wired to an alarm to warn of possible tank overflow. (T) models include 20' of 3/8" ID tubing. Pump is rated for high-efficiency gas furnace applications that produce an acidic condensate. Thermally protected motor is UL and CSA listed.