Thru Hull

GROCO PTHC Series NPT 90° bronze adapters, standard flow, sizes 1/2"–5", UL Listed 647B, not NSF-61 compliant, not for potable water.

With the Collar in place, the Skin Fitting-Ball Valve-Hose Tail assembly will withstand a 500 lb (227 kg) static force applied to the Hose Tail end of the assembly

TruDesign Tails eliminate the corrosion and electrical bonding problems associated with metallic fittings. Tail fittings are designed for twin hose clamps and to never crush.

The body of the Ball Valve is manufactured in glass-reinforced nylon composite with high impact and tensile strength resulting in a light weight unit, free from corrosion and electrolysis issues.

Perko Thru Hull 1" Bronze

Perko 322 DP5 PLB. THRU HULL CONN 3/4

NPSM / NPT combination thread
C83600 Bronze

GROCO IBVF Flange Adaptors, bronze/stainless, fix NPT-NPS mismatches, enable safe valve installation, sizes 3/4"–3", ideal for marine applications.

GROCO IBV Series bronze inline valves offer full-flow, PTFE seals, UL fuel/water rating, grease zerk (1-1/4"+), and a ratchet-ready handle for tight spaces.