Newly introduced VRT 3 Unloader is an updated version of the Arrow Line VRT unloader with a stronger valve body with less porosity. The pressure adjustment handle was redesigned for easier operation at all pressure levels. ARNA exclusive heavy duty 3/8° F. fittings on all the inlets and outlets provide secure and leak free operation. All the VRT 3 Unloaders are designed to handle up to 10.5 GPM, and 194° F.