Wilkins Blow-Out Flush Kit

Zurn RK1-375BOF Zurn RK1-375BOF This is a winterization blowout fitting for the 1 Wilkins 375 series double check assemblies. The blowout fitting is designed to remove water from the device and lines for easy winterization. Simply remove the cartridge housing and insert the blowout fitting, and attach desired fittings. Features two 3/4 NPT female taps.