The Lukka Sigma60 Square In-Wall Flush Buttons are a smart and stylish solution for creating a clean, modern bathroom with a more streamlined appearance around the toilet area. Designed for use with concealed cistern systems, these square in-wall flush buttons offer smooth everyday operation while helping maintain a tidy and uncluttered look that works especially well in contemporary homes, apartments, and renovation projects. Their balanced square design gives bathrooms a refined finish without drawing too much attention away from the overall space, making them a practical option for those who appreciate subtle modern details. With a range of finish combinations available, they can easily coordinate with different bathroom fittings and interior styles. For the best long-term performance, it is a good idea to confirm cistern compatibility before installation and clean the flush plate regularly with a soft cloth to keep it looking polished and operating smoothly over time.
Product Features:
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Designed to provide smooth and reliable flushing control for concealed cistern systems, the Lukka Sigma60 Square In-Wall Flush Buttons help create a clean, streamlined bathroom look with a modern square profile that suits a wide range of interiors.
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Ideal for contemporary homes, apartment bathrooms, and renovation projects, these in-wall flush buttons are a practical option for anyone wanting a minimalist finish that keeps the toilet area looking tidy and uncluttered.
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Available in a selection of black and chrome, as well as brushed chrome and chrome finish combinations, these flush buttons can be paired easily with different tapware styles and bathroom accessories for a coordinated appearance.
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The square in-wall design offers a more refined and space-conscious alternative to traditional exposed flush systems, making it especially suitable for modern bathroom layouts where simple lines and subtle details matter.
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For best results, check compatibility with your concealed cistern before installation and handle the flush plate carefully during fitting to maintain its crisp edges and smooth surface. Regular cleaning with a soft cloth will help keep the buttons looking neat and easy to use over time.
The Lukka Sigma60 Square In-Wall Flush Buttons are a thoughtful addition to any modern bathroom, combining everyday practicality with a sleek, understated design. Their clean square styling and versatile finish options make them an easy choice for creating a polished bathroom space that feels both functional and contemporary.
Warranty & care
Warranty: 15 years (tanks/frames) / 3 years valves / 3 years flush plates. Warranty periods and exclusions are set by the supplier. Your rights under the Australian Consumer Law are not affected.
Care: Clean with mild soapy water and a soft cloth. Avoid abrasive cleaners, scourers and harsh chemicals, which can damage finishes and may affect your warranty. Follow any care instructions supplied with the product.
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Warranty & care
Warranty: 15 years (tanks/frames) / 3 years valves / 3 years flush plates. Warranty periods and exclusions are set by the supplier. Your rights under the Australian Consumer Law are not affected.
Care: Clean with mild soapy water and a soft cloth. Avoid abrasive cleaners, scourers and harsh chemicals, which can damage finishes and may affect your warranty. Follow any care instructions supplied with the product.
Delivery policy
Goods will not be delivered inside private residences. Delivery is limited to:
- Garage or carport, or
- Ground floor entrance (provided there are no stairs or access restrictions)
Promotional free delivery: Sydney Metro
During promotional periods where free delivery is offered, this applies to Sydney Metro addresses only and is provided under the following conditions:
- Ground floor drop-off service only
- One-person delivery service (driver only)
- No carrying goods upstairs or into multiple levels of a property
Exclusions
Free delivery promotions do not apply to:
- NSW regional locations
- Interstate locations
Standard delivery rates apply for all excluded areas.
Lead times
- Lead times vary by supplier. Each product page shows an estimated delivery window based on its supplier. Most suppliers deliver within 5–10 business days of your order.
- Made-to-order and special-order items: some suppliers add extra weeks for custom or made-to-order products. Extra weeks apply only to made-to-order products; the additional time is shown on the product page and confirmed with you after your order.
- Items held in stock by Renovation Kingdom: same-day pickup from North Parramatta when the item is held at that location.
Pickup
Pickup is available from our North Parramatta location for items held in stock there. Whether pickup is available for your cart is confirmed at checkout.
Additional delivery information
Stone bath deliveries are drop-off only.
Customers will be contacted by our warehouse team once their order is ready for collection or delivery.
A pick-up time must be booked prior to arrival using the provided booking link. Collections without a confirmed booking may experience delays due to warehouse scheduling.
Please note that weights and dimensions provided for products are approximate and may vary slightly. Customers are responsible for verifying final product measurements prior to installation.
Payment and security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Why buy from Renovation Kingdom
- Family-run Sydney supplier.
Helping Sydney renovators since 2014, with showrooms at Taren Point and North Parramatta. - Trusted brands.
Every product is backed by the manufacturer's warranty and a curated range from trusted suppliers. - Free expert advice.
Book a free one-hour consultation and get $200 off eligible orders of $2,000 or more. Book now - Price guarantee.
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