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Watts AD 11 Bronze Thread Adapter, 1/4"-20 x 3/8"-16 - Thread Adapters
WattsThread Adapters

Watts AD 11 Bronze Thread Adapter, 1/4"-20 x 3/8"-16

The WATTS Adaptor: Float Thread Adapter (MPN AD 11) is a bronze thread adapter designed for use with stems. It features a 1/4"-20 connection thread size and a 3/8"-16 thread size, making it suitable for connecting…

SKU 3G-OTH-453472

Also listed as: AD11 · AD-11

Brand
Watts
Item
AD 11 Bronze Thread Adapter, 1/4"-20 x 3/8"-16
Part Number
AD 11
Category
Thread Adapters
Available to Order
Also known as:AD 11Watts
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Watts
Manufacturer Part Number
AD 11
Type
Bronze, 1/4"-20, 1/4"-20 Connection 1 Thread Size, 3/8"-16
Compatible Product Type
Stems

Technical Documents

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Adaptor: Float Thread Adapter (MPN AD 11) is a bronze thread adapter designed for use with stems. It features a 1/4"-20 connection thread size and a 3/8"-16 thread size, making it suitable for connecting float components to stem assemblies.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the WATTS Adaptor Float Thread Adapter used for?

The WATTS Adaptor Float Thread Adapter (MPN AD 11) is used to connect float components to stem assemblies in industrial fluid control systems. It is commonly applied in water treatment, HVAC, and process equipment where reliable stem-to-float attachment is required.

What are the specifications of the WATTS Adaptor AD 11?

The WATTS Adaptor AD 11 is a bronze thread adapter with a 1/4"-20 connection thread size and a 3/8"-16 thread size. It is compatible with stems and manufactured by WATTS. The part number is AD 11, and it is designed for float-to-stem assembly applications.

Where to buy the WATTS Adaptor AD 11 worldwide?

You can source the WATTS Adaptor AD 11 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 Adaptor Float Thread Adapter?

To install the WATTS Adaptor AD 11, thread the 1/4"-20 end onto the stem assembly and the 3/8"-16 end onto the float component. Hand-tighten securely; avoid over-torquing to prevent damage to the bronze threads. Always follow the stem manufacturer's guidelines for proper alignment.

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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