Maestrini DZR Brass Anti-Siphon Loop (1-1/4" BSP / 1/2" BSP Vent) proboat Allen 30mm Plain Bearing Eco Blocks RETAINER 0333739 333739 - Evinrude

RETAINER 0333739 333739 - Evinrude Johnson Spares & Parts

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50 (4-STROKE) BOTTOM COWL - Engine Numbers [9944807 THRU 0P016999] - Belgium

Length: 44cm

Maestrini DZR Brass Anti-Siphon Loop (1-1/4" BSP / 1/2" BSP Vent) proboat Allen 30mm Plain Bearing Eco Blocks RETAINER 0333739 333739 - EvinrudeThis Maestrini anti siphon device is made from DZR brass. The anti siphon device allows fluid to flow in the intended direction but when the flow is reversed, the vacuum will operate the anti siphon valve which will break the siphoning effect. This anti siphon loop is used in conjunction with 410073 siphon break valve. Typical applications for this anti siphon loop are boat water intakes, exhaust injection lines and toilet systems where installed