Description
The Modular Systems HD4257 is a 330 mm high commercial sink mixer tap designed for professional kitchen sinks, prep benches, and handwash stations. Featuring a DR Brass body with a polished chrome finish, it delivers precise single-lever temperature and flow control via an Ø35 mm ceramic cartridge — a standard that ensures long-lasting, drip-free performance in high-use foodservice environments.
Why operators choose the HD4257
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Chrome-finished DR Brass body — corrosion-resistant construction built for the demands of commercial kitchens and repeated sanitisation cycles.
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Ø35 mm ceramic cartridge — precision flow control with a drip-free seal that holds up to continuous daily use.
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WELS 5-star / 6 L/min rated — meets Australia's highest water-efficiency standard, reducing water costs for operators.
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Watermark certified — compliant with Australian plumbing standards for commercial installation.
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Zinc alloy lever handle with hot/cold indicators — ergonomic one-hand operation, suitable for gloved hands in a commercial environment.
Specifications
| Brand |
Modular Systems |
| Model / MPN |
HD4257 |
| Type |
Commercial Tap Set — Single-Lever Sink Mixer |
| Spout Height |
330 mm |
| Depth (Spout Reach) |
225 mm |
| Cartridge |
Ø35 mm Ceramic |
| Inlet Connection |
G1/2 (two flexible hoses, 450 mm each) |
| Lever / Handle |
Single lever — Zinc alloy |
| Body Material |
DR Brass |
| Finish |
Chrome |
| WELS Rating |
5 Star / 6 L/min |
| Certifications |
Watermark, WELS |
| Packed Dimensions |
100(W) x 300(D) x 350(H) mm |
| Country of Manufacture |
China |
| Warranty |
24 Months Parts Only |
Venue suitability: Suited to commercial kitchens, café prep areas, food truck fitouts, canteen handwash stations, and any venue requiring an Australian-certified mixer tap for a standard sink deck. The tall 330 mm spout clears most commercial sink rims with ease.
Browse our full range of Commercial Tapware or explore the complete Modular Systems catalogue for matched sink and bench accessories.
Installation & delivery: Supplied with two G1/2-450 mm flexible hoses for standard hot and cold connection. Installation by a licensed plumber is required for Watermark compliance. Dispatched Australia-wide.
Frequently asked questions
Q: Is the HD4257 Watermark certified for commercial installation in Australia?
A: Yes. The HD4257 carries Watermark and WELS certifications, making it compliant for permanent commercial plumbing installations under the National Construction Code.
Q: What is the WELS water-efficiency rating?
A: The HD4257 is rated WELS 5-star at 6 L/min — Australia's highest tap water-efficiency category, helping reduce operating water costs.
Q: What inlet connection does the HD4257 use?
A: It uses a G1/2 inlet, supplied with two 450 mm flexible braided hoses for connection to standard hot and cold supply lines.
Q: What type of cartridge is fitted?
A: An Ø35 mm ceramic disc cartridge, which provides drip-free, long-life flow control suitable for frequent daily use in commercial environments.
Q: Can this tap be used on a modular sink bench?
A: Yes. The HD4257 is part of the Modular Systems range and is designed to pair with Modular Systems commercial sink benches. It mounts through a standard deck-mount hole on the sink top.
SKU: HD4257
In Stock