Bronze Vented Loop – 1″ Hose
Features:
- Allows air to enter to break siphon, but does not permit air and odors to escape! Cap is threaded 1/2″ NPT to accept a barb fitting if you wish to vent overboard.
- Overboard venting is required if PVL or HVL series is used in an exhaust system.
- HVL and PVL series vented loops assure clog-free anti-siphon protection for sanitation or engine exhaust systems. The oversized vent valve can easily be removed for inspection or cleaning without tools.
- Mount Hardware is included.
Specifications:
- Type: Vented Loops
- Box Dimensions: 3″H x 7″W x 8″L WT: 2 lbs
- UPC: 742985003071
SKU:GRO-HVL-1000


![Jabsco Quiet Flush E2 Fresh Water Toilet Regular Bowl - 24VSoft Close Lid [38045-4194RSP]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/jabsco-quiet-flush-e2-fresh-water-toilet-regular-bowl-24vsoft-close-lid-38045-41.webp)
![Raritan Knocks Out Odor Kit [KO2]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/raritan-knocks-out-odor-kit-ko2.webp)

![Albin Group 12V Flush Pump [07-66-036]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/albin-group-12v-flush-pump-07-66-036.webp)
![Johnson Pump Viking Power 32 Vacuum Pump - 6.3GPM - 12V [10-13373-07]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/johnson-pump-viking-power-32-vacuum-pump-6-3gpm-12v-10-13373-07.webp)

![Jabsco Quiet Flush E2 Fresh Water Toilet Regular Bowl - 12VSoft Close Lid [38045-4192RSP]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/jabsco-quiet-flush-e2-fresh-water-toilet-regular-bowl-12vsoft-close-lid-38045-41.webp)