Watts Air Vent: One Port, Side Port, 1/8 in MNPT, For Water, Brass Body, 125 psi Max.
The Watts Air Vent: One Port is a horizontal-discharge air vent designed for water systems. It features a brass body with a 1/8 in MNPT side port and bottom connection, rated for a maximum pressure of 125 psi and a…
SKU 3G-OTH-70272
Also listed as: HAV18 · HAV 1 8 · HAV-1-8
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 horizontal-discharge air vent designed for water systems. It features a brass body with a 1/8 in MNPT side port and bottom connection, rated for a maximum pressure of 125 psi and a maximum temperature of 240°F.
Frequently Asked Questions
What is a Watts HAV-1/8 air vent used for?
The Watts HAV-1/8 air vent automatically releases trapped air from water systems, preventing air locks and improving system efficiency. It is commonly installed on hydronic heating loops, radiators, and water pipelines where air accumulation can reduce flow or cause noise.
What are the specifications of the Watts HAV-1/8 air vent?
The Watts HAV-1/8 is a one-port, side-port air vent with a 1/8 in MNPT connection and a brass body. It is rated for water service up to 125 psi maximum pressure and 240°F maximum temperature. The bottom port allows horizontal discharge of air.
Where to buy a Watts HAV-1/8 air vent worldwide?
3G Electric supplies the Watts HAV-1/8 air vent to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this genuine Watts part.
How to install a Watts HAV-1/8 air vent?
Install the Watts HAV-1/8 air vent with the bottom port threaded into a 1/8 in MNPT fitting on the highest point of the water line. Ensure the vent is upright for proper air release. Use thread sealant on the male threads and do not overtighten the brass body.
Used in
Common applications for WattsWatts Products
3G Electric supplies Watts horizontal-discharge air vents. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
