Scot Pump - Vented Loops 316 Stainless Steel , Part No. 913-VL15

The 20013 Marine Vented Loop provides a proven way to break the vacuum in marine water systems. Bank siphonage will be broken if the loop is approximately two feet above water level. The Vacuum Breaker has a normally closed poppet which keeps vent line fumes from the vessel. The breaker is designed for a corrosion proof service life with aprotected air vent. All of the parts exposed to liquid are manufactured from Delrin. The Sensitive Breaker - automatically opens and prevents back siphoning. Normally closed - two feet of water vacuum will cause breaker poppet to open. The External Stainless Steel Spring is not in liquid. Has a protective dust cover. Use for Heads, Bilge Pumps, Shower Pumps and Engine Exhaust Lines Size : 1-1/2