Connect heater hose to a threaded port with confidence using this durable brass barb adapter fitting. Designed for marine heater plumbing, it converts a 3/8" male NPT threaded connection to a 5/8" hose barb for a secure, leak-resistant hose-to-thread transition. The hex body allows easy wrench tightening, while the barbed end grips flexible heater hose for a dependable hold when paired with a proper hose clamp.

• Type: Hose barb adapter / hose-to-thread fitting
• Thread: 3/8" Male NPT (pipe thread)
• Hose Connection: 5/8" Barb (for 5/8" ID heater hose)
• Material: Brass
• Features: Hex head for wrench installation; barbed end for secure hose engagement
• Common Use: Marine heater hose plumbing on Malibu Boats and similar applications

Installation note: Apply appropriate thread sealant (PTFE tape or pipe dope rated for your system) to NPT threads and secure the hose with a correctly sized clamp. Confirm hose ID and thread type before ordering.