HN1A Hull Plate – Aluminum Transom Anode

Protect your hull and transom from galvanic corrosion with the HN1A Hull Plate. Designed for use on many yachts and working boats, this aluminum sacrificial anode provides dependable underwater protection in saltwater, brackish water, and freshwater.

Manufactured from Performance Metals Navalloy® aluminum alloy, the HN1A replaces N1-type anodes and is built to MIL-DTL-24779 military specifications. The exclusive patented Red Spot® wear indicator makes it easy to monitor anode condition and determine when replacement is needed.

Key Features

• Designed for transom and hull applications on yachts and working boats
• Replaces N1-type anodes
• Navalloy® aluminum alloy for dependable marine corrosion protection
• Manufactured to MIL-DTL-24779 military specifications
• Suitable for saltwater, brackish water, and freshwater
• Exclusive patented Red Spot® wear indicator
• Helps protect hulls, transoms, and other underwater metals from galvanic corrosion
• Important: Do not mix aluminum and zinc anodes on the same vessel.

Specifications

• Material: Navalloy® Aluminum Alloy
• Application: Hull / Transom Plate Anode
• Weight: 1.2 lbs (0.6 kg)
• ZEW: 5.0 lbs (2.3 kg)
• Water Compatibility: Salt, Brackish, and Fresh Water

ZEW (Zinc Equivalent Weight) represents the approximate weight of a zinc anode with the same electrochemical capacity.

Includes

• HN1A Hull Plate Anode
• Mounting hardware