HM25A Hull Anode – Aluminum Transom Anode

Protect your hull and transom from galvanic corrosion with the HM25A Hull Anode. Designed for many yacht applications, this aluminum sacrificial anode provides dependable underwater protection in saltwater, brackish water, and freshwater.

Manufactured from Performance Metals Navalloy® aluminum alloy, the HM25A replaces M-25 and is built to MIL-DTL-24779 military specifications. The exclusive patented Red Spot® wear indicator makes it easy to monitor anode condition and know when replacement is needed.

Key Features

• Used as a transom anode on many yachts
• Replaces M-25
• Navalloy® aluminum alloy for reliable 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 Anode
• Weight: 1.5 lbs (0.7 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

• HM25A Aluminum Hull Anode
• Mounting hardware