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Watts AD 12 Float Thread Adapter - Thread Adapters
WattsThread Adapters

Watts AD 12 Float Thread Adapter

The WATTS Adaptor: Float Thread Adapter (SKU AD 12, MPN AD 12) is a bronze thread adapter designed for use with stems. It features a 5/16"-18 connection thread size and a 1/4"-20 thread size.

SKU 3G-OTH-453468

Also listed as: AD12 · AD-12

Brand
Watts
Item
AD 12 Float Thread Adapter
Part Number
AD 12
Category
Thread Adapters
Available to Order
Also known as:AD 12Watts
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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
AD 12
Type
Bronze, 5/16"-18, 5/16"-18 Connection 1 Thread Size, 1/4"-20
Compatible Product Type
Stems

Technical Documents

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

Product Description

The WATTS Adaptor: Float Thread Adapter (SKU AD 12, MPN AD 12) is a bronze thread adapter designed for use with stems. It features a 5/16"-18 connection thread size and a 1/4"-20 thread size.

Frequently Asked Questions

What is the WATTS AD 12 float thread adapter used for?

The WATTS AD 12 float thread adapter is used to connect a float to a stem in industrial fluid-control systems. Its bronze construction resists corrosion, making it suitable for water, HVAC, and steam applications where reliable stem-to-float attachment is required.

What are the specifications of the WATTS AD 12 adapter?

The WATTS AD 12 is a bronze float thread adapter with a 5/16"-18 connection thread size and a 1/4"-20 thread size. It is compatible with stems and carries the manufacturer part number AD 12. The bronze material provides durability in wet environments.

Where to buy the WATTS AD 12 adapter worldwide?

You can source the WATTS AD 12 adapter through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this bronze thread adapter.

How to install the WATTS AD 12 float thread adapter?

To install the WATTS AD 12 adapter, thread it onto the stem using the 5/16"-18 connection, then attach the float to the 1/4"-20 side. Hand-tighten securely; avoid over-torquing to prevent damage to the bronze threads. Use thread sealant if required for your application.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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Watts Products

3G Electric supplies Watts thread adapters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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