Watts Air Vent: One Port, Top Port, 1 in MNPT, For Water, Brass Body, 150 psi Max.
The Watts Air Vent: One Port is a vertical-discharge air vent with a brass body, designed for water systems. It features a 1 in MNPT top port and a bottom port, with a maximum pressure of 150 psi and a maximum…
SKU 3G-OTH-70088
Also listed as: FV4M11 · FV 4M1 1 · FV-4M1-1
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
Need installation or engineering help?
Ask a question
Product Description
The Watts Air Vent: One Port is a vertical-discharge air vent with a brass body, designed for water systems. It features a 1 in MNPT top port and a bottom port, with a maximum pressure of 150 psi and a maximum temperature of 240°F. This model, manufacturer part number FV-4M1-1, is a single-port unit for releasing trapped air.
Frequently Asked Questions
What is the Watts FV-4M1-1 air vent used for?
The Watts FV-4M1-1 air vent is used to automatically release trapped air from water systems, preventing air locks and improving system efficiency. It is commonly installed on hydronic heating and cooling systems, boilers, and piping networks where air accumulation can reduce performance.
What are the specifications of the Watts FV-4M1-1 air vent?
The Watts FV-4M1-1 is a vertical-discharge air vent with a brass body. It has a 1 in MNPT top port and a bottom port, rated for water at a maximum pressure of 150 psi and a maximum temperature of 240°F. This single-port model is designed for releasing trapped air in water systems.
Where to buy the Watts FV-4M1-1 air vent worldwide?
You can source the Watts FV-4M1-1 air vent worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Watts model.
How to install the Watts FV-4M1-1 air vent?
Install the Watts FV-4M1-1 air vent at the highest point of the water system where air collects. Use thread sealant on the 1 in MNPT connection and tighten securely. Ensure the vent is oriented vertically for proper discharge. Follow local plumbing codes and the manufacturer's instructions for safe operation.
Used in
Common applications for WattsWatts Products
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.
