Watts FV-4M1-3/4 Vertical-Discharge Air Vent, 3/4 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 3/4 in MNPT top port and a bottom connection, rated for a maximum pressure of 150 psi and a…
SKU 3G-OTH-70082
Also listed as: FV4M134 · FV 4M1 3 4 · FV-4M1-3-4
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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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 3/4 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-4M1-3/4 air vent used for?
The Watts FV-4M1-3/4 air vent is used to automatically release trapped air from water systems, such as hydronic heating or cooling loops. Its vertical-discharge design and brass body make it suitable for commercial and industrial applications where reliable air elimination is required to prevent air binding and corrosion.
What are the specifications of the Watts FV-4M1-3/4 air vent?
The Watts FV-4M1-3/4 air vent has a brass body with a 3/4 in MNPT top port and a bottom connection. It is rated for a maximum pressure of 150 psi and a maximum temperature of 240°F. This one-port, vertical-discharge model is designed specifically for water systems.
Where to buy the Watts FV-4M1-3/4 air vent worldwide?
3G Electric supplies the Watts FV-4M1-3/4 air vent worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this Watts air vent to any international destination.
How to install the Watts FV-4M1-3/4 air vent?
Install the Watts FV-4M1-3/4 air vent by connecting the 3/4 in MNPT top port to a threaded fitting at the highest point of the water system. Ensure the vent is oriented vertically for proper operation. Apply thread sealant to the male threads and tighten securely. Follow local plumbing codes and the manufacturer's instructions for best results.
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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.