QS Supplies
Call UsCall Us

Call Us: 0116 251 0051Call us today until 5:00pm

Added Cart Added to Cart

Clearwater Siena Quarsil 1 Bowl Granite Kitchen Sink



10-14 Working Days Approx

3.8 out of 5 3.8 out of 5

Based on 4 Ratings.

Shipping: FREE* Check Postcodes

Product Variants
Available Sizes Step 1
Available Finishes Step 2
SKU Code: QS-V104865


Siena SIEN340PO Details

Ideal for everyday kitchen spaces, the Clearwater Siena Quarsil 1 Bowl Granite Kitchen Sink represents a new direction in kitchen decor and functionality. Formed in the shape of a square, this sink is designed to spark the imagination with dazzling finish choices 8 in all. The perfect gift for fresh decor, this sink comes in one of three sizes 370mm, 430mm and 530mm. It can be acquired in one of 8 available choices: Polar, Onyx, Moonstone, Nero, Croma, Poppy, Basalt, Mocha, and Concrete.

Designed for under-mount or inset installation, the perfectly rectangular single bowl features the ultimate minimalist effect with easy wipe-down surfaces without raised edges. It can be installed with solid surface worktops such as wood, stone, granite and synthetic. It is loaded with features that make it a unique, value-adding purchase. Suitable to use with kitchen mixer tap, pull-out kitchen taps or boiling water taps.

Key Features
  • Supplied with standard waste
  • Easy wipe-down surfaces with no raised edges
  • Lifetime warranty against any manufacturing defects
  • Available finishes: Polar, Onyx, Moonstone, Nero, Croma, Poppy, Basalt, Mocha, Concrete
  • Available length: 370mm, 430mm, 530mm.
  • It can be installed as an under-mount or inset.
  • The purist's first choice to attain the ultimate minimalist effect.
  • Installation in solid surface worktops only - wood, stone, granite, synthetic.
  • Refer to the technical diagram for complete technical dimensions.
  • Features of 370mm Bowl:.
  • Overall size: Length 370mm x Width 460mm.
  • Bowl size: Length 340mm x Width 400mm x Depth 200mm.
  • Minimum cabinet size: 450mm.
  • Features of 430mm Bowl:.
  • Overall size: Length 430mm x Width 460mm.
  • Bowl size: Length 400mm x Width 400mm x Depth 200mm.
  • Minimum cabinet size: 500mm.
  • Features of 530mm Bowl:.
  • Overall size: Length 530mm x Width 460mm.
  • Bowl size: Length 500mm x Width 400mm x Depth 200mm.
  • Minimum cabinet size: 600mm.
  • Features:.
  • QUARSIL: The new generation of Quarsil has been developed over 30 years and now features substantially improved properties. It is now even easier to clean and has a new intensity of colour.
  • HYGIENIC SURFACE: The advanced anti-bac surface quality of Quarsil ensures optimum safety when handling food.
  • DIRT-REPELLENT EFFECT: The material's fine structure means the dirt that could be a breeding ground for bacteria finds it impossible to stick to the surface.
  • Granite sinks are up to 80% natural quartz sand.
  • QUAIL has been specially developed for the demands of the kitchen.
  • The rigours of everyday use vanish with hardly a trace.
  • Odour-free: Leaves the surface free of smells.
  • Heat-proof: Not temperature sensitive.
  • Food-safe: Absolutely safe material.
  • Impact-resistant: Tough and resistant material.
  • Stain-resistant: Food stains cannot stick.
  • Made to last: Extremely durable.

Technical Specifications

Please note all the measurements are in 'mm'
  • ⤷ Colour
  • : Basalt, Croma, Concrete, Mocha, Moonstone, Nero, Onyx, Polar, Poppy
  • ⤷ Installation/Style
  • : Undermount, Inset
  • ⤷ Number of Bowls
  • : 1
  • ⤷ Overall Length
  • : 370, 430, 530
  • ⤷ Overall Width
  • : 460
  • ⤷ Length of Main Bowl
  • : 340, 400, 500
  • ⤷ Width of Main Bowl
  • : 400
  • ⤷ Depth of Main Bowl
  • : 200
  • ⤷ Material
  • : Granite
  • ⤷ Waste Included
  • : Yes
  • ⤷ Warranty/Guarantee
  • : Lifetime

Technical Images

Total: £219.26 10-14 Working Days Approx QS Supplies

1 Features Included In This Product Explained



A unique material developed by the brand over 30 years, it offers all the features of granite but with substantial improvements and is made to last. Besides these, it features intense colour and easy-to-clean properties and is heat-proof. The odourless material ensures optimum safety in the kitchen with its advanced antibacterial surface, which decelerates any dust collection and could be a potential breeding ground for germs and bacteria. The dirt simply runs off the surface, which makes tedious cleaning easy. It reduces the build-up of limescale, so there's little to clean, and it extends the product's life as it is impact resistant and made from tough and resistant material.

You've Selected which adds to a total of

Reviews & Ratings

Rate this Item.:

Questions & Answers

Submit Your Questions 4 Questions Answered

Have a question about this item? Ask our technical team. We aim to reply within 72 hours.

Nicola Asked :

Clearwater sink - which colour is darker, nero or onyx? Thanks.

Answered By QS Team Answered by the QS Technical Team

Nero is a jet black, and Onyx is a metallic black.

Was this answer helpful?
Theresa Asked :

Does this sink have an overflow - I can’t see that it does from the pictures.

Answered By QS Team Answered by the QS Technical Team

The overflow is located at the back of the bowl.

Was this answer helpful?
Gillean Asked :

Can you please explain the difference between Nero and Onyx? I can't tell any difference on the screen, and also, which is your darkest grey - is it Basalt? I like how Clearwater has such a choice of colours compared to other brands.

Answered By QS Team Answered by the QS Technical Team

Nero is more jet black, and Onyx is metallic black. Basalt is our darkest grey.

Was this answer helpful?
Ben Asked :

Hi, I was looking at the Clearwater Siena Quarsil 1 Bowl Granite Kitchen Sink and was wondering if you offer it with the gold waste fixing?

Answered By QS Team Answered by the QS Technical Team

Unfortunately, this sink comes with chrome finish waste only.

Was this answer helpful?
Accepted Answer 1 Thumbs Down 0
Siena Range Of Products
Popular Categories At QS

Write Your Review.
Enter Your Name
Enter Your City
Enter Review title
Please enter your review comment

How Many Stars Would You Give for the Following?

Rate the product on quality
Value For Money:  
Rate the product on value for money
Rate the product on style
Ask A Technical Question
Please enter your name

Please enter your valid email address Invalid email address

Please enter your question

Delivery & Returns
Please enter postcode

At QS Supplies, we use trustworthy carriers for deliveries across UK, Scotland and Ireland. We also follow an up-to-date tracking system to keep you posted on the status of your orders. Delivery dates are approximate, and therefore, we suggest you do not schedule any installation work until you have received the items. To learn more about our delivery service, click here. Please do not book Tradesmen until the items are safely received and thoroughly checked.


Before travelling for collections, please wait for a formal communication from us confirming your order is ready. For urgent orders, we recommend you call ahead to check lead times. Our Sales Team can be reached at 0116 251 0051, Monday to Friday from 8.30 am to 5.00 pm.


For complete information on returns, click here.

Notify me when this product is in Stock
Please enter your name
Please enter your valid email address Invalid email address
Please enter your contact no
Thank You For Your Rating

We will soon verify the details and add your rating appropriately.