Watts Air Separator: Cast Iron Body, For Water, 1 1/4 in Female NPT, Horizontal
The Watts Air Separator with Cast Iron Body (MPN 11/4 AS-M1 T) is an inline air separator designed for water systems. It features a 1 1/4 in Female NPT connection, horizontal orientation, and a maximum pressure of 80…
SKU 3G-OTH-70836
Also listed as: 114ASM1T · 11 4 AS M1 T · 11-4-AS-M1-T
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.
Need installation or engineering help?
Ask a question
Product Description
The Watts Air Separator with Cast Iron Body (MPN 11/4 AS-M1 T) is an inline air separator designed for water systems. It features a 1 1/4 in Female NPT connection, horizontal orientation, and a maximum pressure of 80 psi with a maximum temperature of 275°F.
Frequently Asked Questions
What is a Watts air separator used for?
A Watts air separator removes entrained air and micro-bubbles from water in hydronic heating and cooling systems. It improves system efficiency, reduces noise, and prevents corrosion by eliminating trapped air that can cause flow restrictions and pump damage.
What are the specifications of the Watts 11/4 AS-M1 T air separator?
The Watts 11/4 AS-M1 T air separator has a cast iron body, 1 1/4 in Female NPT connections, horizontal orientation, maximum pressure of 80 psi, and maximum temperature of 275°F. It is designed for water systems and manufactured by Watts.
Where to buy a Watts air separator worldwide?
3G Electric supplies the Watts 11/4 AS-M1 T air separator to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this and other industrial equipment across 14 departments.
How to install a Watts inline air separator?
Install the Watts air separator horizontally in the main supply line, typically at the highest point of the system where air collects. Ensure flow direction matches the arrow on the body. Use thread sealant on the 1 1/4 in Female NPT connections and follow local plumbing codes.
Used in
Common applications for WattsWatts Products
3G Electric supplies Watts inline air separators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
