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Anti Syphon Device with Hose - Dia: 13/19/25/32mm
Anti Syphon Device with Hose - Dia: 13/19/25/32mm

Anti Syphon Device with Hose - Dia: 13/19/25/32mm

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Constant bleed of cooling water
This air vent has a hose connection to the outside of the hull and has a constant bleed of cooling water through the hose while the engine is running. Type H comes with a skin fitting, hose clamps and 4 metres of hose.


  • Types ASDH and type AIRVENTH are suitable for Ø 13, 19, 25 or 32 mm internal hose connections
  • Type ASD38H has a Ø 38 mm hose connection and is ideal for toilets or holding tanks which are installed below the waterline

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It is our policy to ensure we deliver to our customers in a timely manner. In order to achieve this we use a range of freight companies depending on the size and weight of your order. In some instances we may use a number of carriers to get your products to you. For example, chain may come by road, some electronic equipment by air.

Most orders are shipped within 2 - 5 Days

Shipping rates

Orders delivered to Australian Post Codes under $499 attract an $18.00 shipping charge.

Orders of $499 or more ship free.*

For Remote areas and bulky items. If the cost to send is vastly different to our standard delivery costs, someone from our team will contact you prior to dispatch to arrange further payment or to issue a refund if you are not happy with the additional charges.

International orders will be charged at $0.00 initially and our staff will be in contact with a shipping quote. If the quote is not accepted the customer reserves the right to cancel their order and be refunded in full.

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