Standard Threaded Bulkhead Fitting (1-1/2 Inch) Standard Threaded Bulkhead Fitting (1-1/2 Inch) is a heavy wall PVC bulkhead fitting for creating a watertight plumbing pass-through in aquariums, sumps, reservoirs, and filtration systems. It uses a threaded wet-side connection and a slip outside connection, making it useful when the inside fitting should remain removable while the exterior plumbing is solvent-welded. 1-1/2 Inch Standard Threaded Bulkhead for Aquarium Plumbing The 1-1/2 inch size is a practical choice for larger drains, overflows, sump connections, reservoirs, and custom filtration plumbing where more flow capacity is needed than smaller fittings provide. The black PVC body, rubber gasket, and lock nut create a secure seal through a properly drilled flat panel. Standard Threaded 1-1/2 Inch Features 1-1/2 inch nominal bulkhead fitting for larger aquarium plumbing. Threaded wet-side connection for matching threaded fittings. Slip outside connection for solvent-welded pipe installations. Heavy wall PVC construction for durable aquarium and sump use. Black finish blends well with aquarium backs, overflows, sumps, and equipment areas. Includes gasket and lock nut for installation through a drilled panel. Bulkhead Specifications Product type: Standard threaded bulkhead fitting Nominal size: 1-1/2 in Connection style: Threaded wet side and slip outside connection Material: PVC Colour: Black Required hole size: 2-1/2 in Use: Aquarium, sump, reservoir, and filtration plumbing pass-through Compatibility Notes Use a matching 1-1/2 inch threaded fitting on the wet side and compatible slip pipe on the outside connection. The exterior lock-nut threads are only for securing the bulkhead nut and should not be used as the outside pipe connection. Confirm hole size, panel thickness, and plumbing clearance before installation. Directions for Use Drill the required hole through a clean, flat panel and smooth any rough edges. Place the gasket on the wet side, insert the bulkhead through the panel, and hand-tighten the lock nut from the opposite side. Connect the wet-side threaded fitting and outside slip plumbing, allow any glued joints to cure as directed, and leak-test before normal operation. What's Included 1 Standard Threaded Bulkhead Fitting (1-1/2 Inch) 1 rubber gasket 1 lock nut
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