We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
Watts AD 15 Bronze Thread Adapter, 5/16"-18 x 3/8"-16 - Thread Adapters
WattsThread Adapters

Watts AD 15 Bronze Thread Adapter, 5/16"-18 x 3/8"-16

The WATTS Adaptor: Float Thread Adapter (MPN AD 15) is a bronze thread adapter designed for use with float valves. It features a 5/16"-18 connection 1 thread size and a 3/8"-16 thread size, with the SKU AD 15.

SKU 3G-OTH-453466

Also listed as: AD15 · AD-15

Brand
Watts
Item
AD 15 Bronze Thread Adapter, 5/16"-18 x 3/8"-16
Part Number
AD 15
Category
Thread Adapters
Available to Order
Also known as:AD 15Watts
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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.

Technical Specifications

Watts
Manufacturer Part Number
AD 15
Type
Bronze, 5/16"-18, 5/16"-18 Connection 1 Thread Size, 3/8"-16
Compatible Product Type
Float Valves

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The WATTS Adaptor: Float Thread Adapter (MPN AD 15) is a bronze thread adapter designed for use with float valves. It features a 5/16"-18 connection 1 thread size and a 3/8"-16 thread size, with the SKU AD 15.

Frequently Asked Questions

What is the WATTS Adaptor Float Thread Adapter used for?

The WATTS Adaptor Float Thread Adapter (MPN AD 15) is used to connect float valves to piping systems. Its bronze construction provides corrosion resistance in water and industrial applications, making it suitable for commercial and industrial fluid control systems.

What are the specifications of the WATTS Adaptor Float Thread Adapter?

The WATTS Adaptor Float Thread Adapter (MPN AD 15) is made of bronze. It has a 5/16"-18 connection 1 thread size and a 3/8"-16 thread size. It is compatible with float valves and carries the SKU AD 15.

Where to buy the WATTS Adaptor Float Thread Adapter worldwide?

You can source the WATTS Adaptor Float Thread Adapter (MPN AD 15) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring reliable supply for your operations.

How to install the WATTS Adaptor Float Thread Adapter?

To install the WATTS Adaptor Float Thread Adapter, first ensure the float valve threads are clean. Apply thread sealant to the 5/16"-18 connection, hand-tighten the adapter, then use a wrench for a secure fit without overtightening. Always follow the valve manufacturer's instructions.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from Watts

View all Watts parts
Brass thread adapter with 1/2" NPT female connection on one end and 3/8"-16 NPT male thread on the other. Used to connect float balls to piping systems in fluid-level control applications
Watts
Brass thread adapter with 1/2" NPT female connection on one end and 3/8"-16 NPT male thread on the other. Used to connect float balls to piping systems in fluid-level control applications

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first