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Maestrini Brass Anti-Siphon Device Kit (25mm Hose Line / 10mm Vent Hose)

Part No. 410033

38.03 You pay €50.65 Incl VAT You pay €42.21 Excl VAT

RRP €56.28 €46.90

Save €5.63 (10.0%) Save €4.69 (10.0%)


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Brand Maestrini
Country of Origin Italy
Hose Size Suits ID: 25mm (1") (with 10mm (3/8") connection for vent line)
Hose Tail Size 25mm (1")
Construction Brass bend and hosetails. Valve is brass with a rubber valve
With Valve Yes

Maestrini anti-siphon loop and breaker valve kit supplied with hose tails for a complete hose line anti-siphon installation. This kit is supplied with the following parts to create a working anti-siphon device:

  • 1 x brass loop with two 1" BSPF ports and one 1/2" BSPF port (410015)
  • 1 x brass siphon valve with one 1/2" BSPM and one 3/8" BSPF port (410023)
  • 2 x brass 1" BSPM to 25mm hose tails (404054)
  • 1 x brass 3/8" BSPM to 10mm hose tail (404023)

Once assembled, these give a complete anti-siphon device suitable for 25mm hose lines and a 10mm vent hose. This will only allow water to flow in the intended direction and will create a vacuum if the flow is reversed. Typical installations for an anti-siphon device are sea water intakes, exhaust injection lines and toilet systems where the equipment installed is below the waterline.

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