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

Watts Wall Hydrant: For 12 in Wall Thick, 16 3/16 in Overall Lg, Bronze, Chrome-Plated - Watts Wall Hydrants
WattsWatts Wall Hydrants

Watts Wall Hydrant: For 12 in Wall Thick, 16 3/16 in Overall Lg, Bronze, Chrome-Plated

The Watts HY 420 12 is a non-enclosed, rectangular wall hydrant designed for 12-inch wall thickness, with an overall length of 16 3/16 inches. It features a chrome-plated bronze face and is manufactured by Watts…

SKU 3G-OTH-429240

Also listed as: HY42012 · HY-420-12

Brand
Watts
Item
Wall Hydrant: For 12 in Wall Thick, 16 3/16 in Overall Lg, Bronze, Chrome-Plated
Category
Watts Wall Hydrants
Available to Order
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
HY 420 12
Type
Bronze, Chrome-Plated, Rectangle
Overall Lg
16 3/16 in
Face Type
Non-Enclosed
Face Shape
Rectangle
Color/Finish
Chrome-Plated
Face Material
Bronze

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 HY 420 12 is a non-enclosed, rectangular wall hydrant designed for 12-inch wall thickness, with an overall length of 16 3/16 inches. It features a chrome-plated bronze face and is manufactured by Watts under part number HY 420 12.

Frequently Asked Questions

What is the Watts HY 420 12 wall hydrant used for?

The Watts HY 420 12 is a non-enclosed wall hydrant designed for outdoor or indoor water access through walls up to 12 inches thick. It is commonly used in commercial and industrial facilities for hose connection, washdown, or frost-free service where a chrome-plated bronze finish is desired.

What are the specifications of the Watts HY 420 12?

The Watts HY 420 12 has an overall length of 16 3/16 inches, fits a 12-inch wall thickness, and features a chrome-plated bronze face with a rectangular shape. The face type is non-enclosed, and the manufacturer part number is HY 420 12. It is made by Watts.

Where to buy the Watts HY 420 12 worldwide?

3G Electric supplies the Watts HY 420 12 wall hydrant worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this Watts part to any country.

How to install the Watts HY 420 12 wall hydrant?

Install the Watts HY 420 12 by mounting it through a 12-inch wall opening, securing the flange against the exterior surface, and connecting the supply line per local plumbing codes. Ensure the hydrant is properly supported and sealed to prevent leaks. Always follow Watts' installation guidelines for best results.

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 watts wall hydrants. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Wall Hydrant: For 4 in Wall Thick, 5 1/2 in Overall Lg, Nickel Bronze, Chrome-Plated, Square (MPN HY-330)
Watts
WATTS Wall Hydrant: For 4 in Wall Thick, 5 1/2 in Overall Lg, Nickel Bronze, Chrome-Plated, Square (MPN HY-330)
WATTS Wall Hydrant: For 14 in Wall Thick, 18 3/16 in Overall Lg, Nickel Bronze, Polished, Rectangle (MPN HY-700-14)
Watts
WATTS Wall Hydrant: For 14 in Wall Thick, 18 3/16 in Overall Lg, Nickel Bronze, Polished, Rectangle (MPN HY-700-14)
WATTS Hydrant Key: HY1, Chrome Brass, Unfinished (MPN HY-1)
Watts
WATTS Hydrant Key: HY1, Chrome Brass, Unfinished (MPN HY-1)
WOODFORD MFG. Wall Hydrant: For 12 in Wall Thick, 13 7/8 in Overall Lg, Brass, Chrome-Plated (MPN B22CP-12)
WOODFORD MFG.
WOODFORD MFG. Wall Hydrant: For 12 in Wall Thick, 13 7/8 in Overall Lg, Brass, Chrome-Plated (MPN B22CP-12)
WOODFORD MFG. Wall Hydrant: For 12 in Wall Thick, 16 in Overall Lg, Brass, Polished, Rectangle (MPN 65P-12)
WOODFORD MFG.
WOODFORD MFG. Wall Hydrant: For 12 in Wall Thick, 16 in Overall Lg, Brass, Polished, Rectangle (MPN 65P-12)

More from Watts

View all Watts parts
WATTS Wall Hydrant: For 3 in Wall Thick, 3 1/2 in Overall Lg, Bronze, Chrome-Plated, Rectangle (MPN HY 430)
Watts
WATTS Wall Hydrant: For 3 in Wall Thick, 3 1/2 in Overall Lg, Bronze, Chrome-Plated, Rectangle (MPN HY 430)
WATTS Wall Hydrant: For 8 in Wall Thick, 12 3/16 in Overall Lg, Bronze, Chrome-Plated, Rectangle (MPN HY 420 8)
Watts
WATTS Wall Hydrant: For 8 in Wall Thick, 12 3/16 in Overall Lg, Bronze, Chrome-Plated, Rectangle (MPN HY 420 8)
WATTS Wall Hydrant: For 12 in Wall Thick, 16 3/16 in Overall Lg, Nickel Bronze, Polished, Rectangle (MPN HY-700-12)
Watts
WATTS Wall Hydrant: For 12 in Wall Thick, 16 3/16 in Overall Lg, Nickel Bronze, Polished, Rectangle (MPN HY-700-12)
WATTS Wall Hydrant: For 8 in Wall Thick, 12 3/16 in Overall Lg, Nickel Bronze, Chrome-Plated, Square (MPN HY-725-8)
Watts
WATTS Wall Hydrant: For 8 in Wall Thick, 12 3/16 in Overall Lg, Nickel Bronze, Chrome-Plated, Square (MPN HY-725-8)
WATTS Wall Hydrant: For 14 in Wall Thick, 18 3/16 in Overall Lg, Nickel Bronze, Chrome-Plated (MPN HY-725-14)
Watts
WATTS Wall Hydrant: For 14 in Wall Thick, 18 3/16 in Overall Lg, Nickel Bronze, Chrome-Plated (MPN HY-725-14)
WATTS Wall Hydrant: For 10 in Wall Thick, 14 3/16 in Overall Lg, Bronze, Chrome-Plated, Rectangle (MPN HY420 10)
Watts
WATTS Wall Hydrant: For 10 in Wall Thick, 14 3/16 in Overall Lg, Bronze, Chrome-Plated, Rectangle (MPN HY420 10)
WATTS Wall Hydrant: For 14 in Wall Thick, 18 3/16 in Overall Lg, Bronze, Chrome-Plated, Rectangle (MPN HY-420-14)
Watts
WATTS Wall Hydrant: For 14 in Wall Thick, 18 3/16 in Overall Lg, Bronze, Chrome-Plated, Rectangle (MPN HY-420-14)
WATTS Wall Hydrant: For 12 in Wall Thick, 16 3/16 in Overall Lg, Nickel Bronze, Chrome-Plated (MPN HY-725-12)
Watts
WATTS Wall Hydrant: For 12 in Wall Thick, 16 3/16 in Overall Lg, Nickel Bronze, Chrome-Plated (MPN HY-725-12)