G Thread (British BSPP) Male to NPT Female Adapter - Lead-Free (2 1/2" x 2 1/2")

G thread runs parallel — NPT runs tapered. They don't connect directly, which is exactly what this adapter solves. The Cascada 2½" G male BSPP to 2 1/2" NPT female adapter bridges the two standards in one lead-free brass fitting. No washer needed. Screw-in install. Rated to 300 PSI and handles temperatures from -65°F all the way up to 250°F — built for both residential plumbing and demanding industrial environments. Lifetime warranty. Thread Connection Male side: 2 1/2" G (BSPP) — parallel thread, constant diameter Female side: 2 1/2" NPT — tapered thread No washer needed — G thread seals by compression on the NPT side; nothing extra required Where It Gets Used Shower systems and valve connections where G thread meets NPT pipework Water heater installations — adapting G thread heaters to NPT supply lines Industrial plumbing applications requiring large-bore thread conversion Plumbing renovations connecting imported BSPP fixtures to US NPT fittings Features Lead-free brass construction — safe for potable water; corrosion-resistant for long-term daily use 300 PSI maximum pressure — handles high-pressure lines without compromise -65°F to +250°F temperature range — works in both cold water and high-heat applications Screw-in installation — hand tools only; no special equipment needed Lifetime warranty — Cascada Showers backs every adapter sold Technical Details MPN: CSSL56162559 Size: 2 1/2" Male G (BSPP) to 2 1/2" Female NPT Finish: Brass Shape: Adapter Installation: Screw-In Maximum Pressure: 300 PSI Temperature Range: -65°F to +250°F (-53°C to +121°C) Measurement System: Inch Package Quantity: 1 Warranty: Lifetime Package Includes 1 × G Thread 2 1/2" Male to NPT 2 1/2" Female Brass Adapter