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Maestrini Brass Anti-Siphon Device Kit (19mm Hose / 10mm Vent)

Part No. 410031

£38.08 You pay £38.08 Incl VAT You pay £31.73 Excl VAT

RRP £42.30 £35.25

Save £4.22 (10.0%) Save £3.52 (10.0%)


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Brand Maestrini
Country of Origin Italy
Hose Size Suits ID: 19mm (3/4") (with 10mm (3/8") connection for vent line)
Hose Tail Size 19mm (3/4")
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 3/4" BSPF ports and one 1/2" BSPF port (410014)
  • 1 x brass siphon valve with one 1/2" BSPM and one 3/8" BSPF port (410023)
  • 2 x brass 3/4" BSPM to 19mm hose tails (404045)
  • 1 x brass 3/8" BSPM to 10mm hose tail (404023)

Once assembled, these give a complete anti-siphon device suitable for 19mm 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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