Double Threaded Bulkhead Fitting (1/2 Inch) Double Threaded Bulkhead Fitting (1/2 Inch) is a heavy wall PVC bulkhead fitting for creating a watertight plumbing pass-through in aquariums, sumps, reservoirs, and filtration systems. The double threaded design accepts matching threaded fittings on both the tank side and outside connection side for flexible aquarium plumbing layouts. 1/2 Inch Double Threaded Bulkhead for Aquarium Plumbing This 1/2 inch bulkhead is useful for smaller drain, return, reactor, reservoir, and utility plumbing connections where threaded fittings are preferred on both sides. The black PVC body and included gasket help create a secure seal through a properly drilled flat panel. Double Threaded Bulkhead Features 1/2 inch nominal bulkhead fitting for aquarium plumbing. Double threaded design accepts threaded fittings on the wet side and outside connection side. Heavy wall PVC construction for durable aquarium and sump installations. Black finish blends well with many aquarium backgrounds and filtration setups. Includes gasket and lock nut for installation through a drilled panel. Useful for freshwater, saltwater, reef, sump, reservoir, and filtration plumbing. Bulkhead Specifications Product type: Double threaded bulkhead fitting Nominal size: 1/2 in Connection style: Threaded wet side and threaded outside connection side Material: PVC Colour: Black Required hole size: 1-1/4 in Use: Aquarium, sump, reservoir, and filtration plumbing pass-through Compatibility Notes Use with matching 1/2 inch threaded plumbing fittings. Confirm the required hole size before drilling, and install only through a clean, flat surface that can support a watertight bulkhead seal. Hand-tighten the lock nut and avoid overtightening, which can damage the gasket, fitting, or panel. Directions for Use Drill the correct size hole, clean away burrs and debris, and place the gasket on the wet side of the installation. Insert the bulkhead through the panel, thread the lock nut onto the opposite side, and tighten by hand until secure. Connect matching threaded plumbing fittings and test for leaks before putting the system into normal operation. What's Included 1 Double Threaded Bulkhead Fitting (1/2 Inch) 1 rubber gasket 1 lock nut
