PRACTICAL GUIDE: INSTALLING AND MAINTAINING A D90 SINK WASTE WITH STAINLESS STEEL BASKET AND OVERFLOW

Why choose a D90 sink waste with overflow?

A D90 sink waste with a stainless steel basket is ideal for modern kitchens thanks to its durability, efficient drainage, and easy maintenance.

The model presented here features:

• a durable stainless steel basket,
• an integrated overflow system for added safety,
• quick and simple installation,
• easy day-to-day maintenance,
• spare parts available for up to 20 years.

Required tools and materials

Before starting the installation, prepare:

• the supplied tightening key,
• a screwdriver,
• a utility knife,
• the complete waste system with all accessories.

Sink waste installation steps

1. Install the waste body

Start by positioning:

• the flat gasket,
• the waste body underneath the sink.

Make sure the gasket is correctly positioned to ensure perfect watertightness.

2. Secure the stainless steel basket

Then insert:

• the stainless steel flange,
• the fixing screw,
• the stainless steel basket.

Tighten progressively using the supplied key to secure the assembly without damaging the seals.

3. Install the overflow system

Connect the overflow hose to the dedicated connection on the waste system.

Depending on your sink configuration, you can install:

• the rectangular overflow kit,
  or
• the chrome ABS overflow cover.

⚠️ Make sure the hose is properly connected to prevent leaks.

4. Connect the drainage pipe

Then assemble:

• the conical gasket,
• the plastic nut,
• the drainage hose.

Tighten the connections properly without overtightening.

5. Check the installation

Once installation is complete:

1. run water into the sink,
2. check that the water drains properly,
3. inspect all connections and the overflow system for leaks.

Your installation is now ready to use ✅

How to maintain your sink waste

Regular maintenance helps preserve drainage performance and the appearance of your sink waste.

Cleaning the stainless steel basket

To clean the waste effectively:

• remove food residue,
• clean the stainless steel flange using white vinegar,
• rinse with clean water.

This helps reduce limescale buildup and unpleasant odors.

Repairability and spare parts

Good news: spare parts for this sink waste remain available for 20 years.

Replaceable parts include:

• stainless steel basket,
• gaskets and seals,
• overflow hose,
• chrome cover,
• nuts and connectors.

This allows you to extend the lifespan of your installation without replacing the complete waste system.

In summary

The D90 sink waste with stainless steel basket and overflow combines:

✅ quick installation
✅ excellent drainage performance
✅ easy maintenance
✅ added safety with overflow protection
✅ long-term repairability

An ideal solution for a modern, practical, and durable kitchen.

Source: Valentin technical instructions – D90 sink waste with stainless steel basket and overflow.