About Z-Guard®                                                                                                    Last Updated:3rd July 2015 

Z-Guard® anodes are produced at our own factory in the South of England. We pride ourselves on quality and all our anodes are cast to the highest possible standards of both appearance and specification. The alloy from which the zinc anodes are produced is in accordance with the US Military Specification No 18001K, which is the accepted standard worldwide. Aluminium anodes are produced to the recommended Al/Zn/In type and in accordance with U.S. MIL-A-24779 and magnesium anodes to high purity alloy.  

Z-Guard Zinc Anodes has been established since 1977. When you buy anodes from Z-Guard® you buy direct from the manufacturer. We have designed the best possible anode shapes to reduce any possible “drag” effect on vessel hulls down to an absolute minimum. 

How to Buy?
Call us now on 0870 242 1973 or Buy Online Sacrificial Anodes: Zinc, Aluminium or Magnesium Sacrificial Anode 

UNFORTUNEATELY NO COLLECTIONS FROM THE PUBLIC CAN BE MADE FROM OUR SITE, WE ARE A MANUFACTURING LOCATION SO FOR HEALTH AND SAFETY REASONS WE MUST DELIVER ORDERS THROUGH A COURIER SERVICE.

A discount will be given on large quantities, in these circumstances please email, fax or telephone your enquiry so we can promptly deal with it. Alternatively fill our online Enquiry Form.

Now you can buy best quality Sacrificial anodes online direct from the manufacturer.
Hull Anodes
The most popular size hull anodes for yachts are the pear shaped zinc bolt-on hull anode our code ZGS5R, followed by the larger ZGS10R with 200mm (7 ¾“) centres and for very large craft the ZGS25R with 229mm (9”) centres. Another popular size zinc anode is the 100mm diameter disc anode used on rudders, our code ZGR2. All these sizes are available in zinc, aluminium and magnesium.

Leisure Anodes
The most popular anodes for the Volvo single prop & duo outdrive being Z875821, Z852835, Z872793 & Z838929. Mercruiser Alpha One, Generation II and Bravo I,II, & III anodes being Z46399, Z43994, Z55989, Z806189, Z821629, Z806190, Z76214, & Z821630. Also under this category you can purchase Shaft anodes 1” & 25mm, ZGP8 & ZGP25 respectively. Zinc Strip for aluminium hulled vessels ZGST12”, ZGST15” & ZGST39” and Accessories like backing pads and fixing studs.


Engine Anodes 
Zinc pencil and Zinc Rod, Specialist engines and Brass plugs to suit all. These anodes are used in the cooling water system of inboard engines and can be manufactured using zinc rod. Our most popular sizes are the 625/2” used in Cumin engines, Kelvin Engine Anodes and Volvo Penta Z838929 & Z823661.

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