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Watts Air Separator: Cast Iron Body, For Water, 1 in Female NPT, Horizontal, 80 psi Max. - Inline Air Separators
WattsInline Air Separators

Watts Air Separator: Cast Iron Body, For Water, 1 in Female NPT, Horizontal, 80 psi Max.

The Watts Air Separator with Cast Iron Body is an inline air separator designed for water systems. It features a 1-inch Female NPT connection, horizontal orientation, and a maximum pressure rating of 80 psi with a…

SKU 3G-OTH-70957

Also listed as: 1ASM1T · 1 AS M1 T · 1-AS-M1-T

Brand
Watts
Item
Air Separator: Cast Iron Body, For Water, 1 in Female NPT, Horizontal, 80 psi Max.
Category
Inline Air Separators
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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

Technical Specifications

Watts
Manufacturer Part Number
1 AS-M1 T
Type
For Water, Horizontal
Max
275°F
Max.
80 psi
Female NPT
1 in
Product Type
Air Separator

Technical Documents

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Watts Air Separator with Cast Iron Body is an inline air separator designed for water systems. It features a 1-inch Female NPT connection, horizontal orientation, and a maximum pressure rating of 80 psi with a maximum temperature of 275°F. This unit is identified by manufacturer part number 1 AS-M1 T.

Frequently Asked Questions

What is a Watts air separator used for?

A Watts air separator removes entrained air from hydronic heating and cooling water systems. It improves system efficiency, reduces noise, and prevents corrosion by eliminating air bubbles that cause flow restrictions and pump damage.

What are the specifications of the Watts 1 AS-M1 T air separator?

The Watts 1 AS-M1 T air separator has a cast iron body, 1 in female NPT connections, horizontal orientation, maximum pressure 80 psi, and maximum temperature 275°F. It is designed for water systems and carries the Watts brand.

Where to buy a Watts air separator worldwide?

3G Electric supplies the Watts 1 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 model.

How to install a Watts inline air separator?

Install the Watts air separator horizontally in the main system supply line, typically after the boiler or chiller. Ensure flow direction matches the arrow on the body. Use pipe sealant on the 1 in female NPT connections and support the cast iron body to avoid stress.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts 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.

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