Watts FV-4-1/8 Vertical-Discharge Air Vent, 1/8 in MNPT, Brass Body, 150 psi
The Watts Air Vent: One Port is a vertical-discharge air vent designed for water systems. It features a brass body with a 1/8 in MNPT top port and a bottom connection, rated for a maximum pressure of 150 psi and a…
SKU 3G-OTH-70013
Also listed as: FV418 · FV 4 1 8 · FV-4-1-8
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The Watts Air Vent: One Port is a vertical-discharge air vent designed for water systems. It features a brass body with a 1/8 in MNPT top port and a bottom connection, rated for a maximum pressure of 150 psi and a maximum temperature of 240°F.
Frequently Asked Questions
What is the Watts FV-4-1/8 air vent used for?
The Watts FV-4-1/8 air vent is used to automatically release trapped air from water systems, such as hydronic heating loops or domestic water lines. Its vertical-discharge design and brass body make it suitable for applications where air buildup can reduce efficiency or cause noise.
What are the specifications of the Watts FV-4-1/8 air vent?
The Watts FV-4-1/8 air vent has a 1/8 in MNPT top port, a brass body, and a bottom connection. It is rated for water service at a maximum pressure of 150 psi and a maximum temperature of 240°F. This vertical-discharge model is designed for one-port installations.
Where to buy the Watts FV-4-1/8 air vent worldwide?
3G Electric supplies the Watts FV-4-1/8 air vent to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this brass air vent.
How to install the Watts FV-4-1/8 air vent?
Install the Watts FV-4-1/8 air vent by threading the 1/8 in MNPT top port into a compatible fitting on the water line. Ensure the vent is oriented vertically for proper discharge. Apply thread sealant to prevent leaks and verify the system pressure does not exceed 150 psi.
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3G Electric supplies Watts vertical-discharge air vents. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.