Steel 40 tank filter
TNK-S40
Our largest tank filter — for big villas and heavy use.
In stock — installed by appointment
Choose the size
Installed by our own team
Every joint pressure-tested
Water-quality reading recorded
10-year warranty in writing
Drink with confidence
Protection from scale
Less scale in your heater, washing machine and taps.
Softer skin and hair
Softer water for bathing, without chlorine drying your skin.
Better taste
Water without the taste or smell of chlorine.
Specifications
CodeTNK-S40
TypeCentral filter
Filtration stages5-7
Cartridge scheduleEvery 4–6 months
Price, installedQAR 5,200
Warranty10 years
Service on annual contractA visit every 3 months
Cartridge size40 in
Replacements
See stages & intervalsCartridges for this system: 2 stages
Cartridges for the steel 40 / 30 / 20 / 10 tank filters — replaced at your home, pressure-checked after.
Cartridges are replaced every 4–6 months (alkaline and mineral every two years). The price is quoted on request, or sits inside the annual service contract.
Save 10% — get it in a bundle
All bundles →
Cartridge schedule for this system
- Large sediment cartridgeEvery 4–6 months
Traps sand and rust from the tank before any other stage.
- Large carbon cartridgeEvery 4–6 months
Removes chlorine, taste and odour from all household water.
Common questions
Is installation included in the price?
Yes. Every published price includes full installation.
How long is the warranty?
10 years on the steel central filters, 5 years on the Triple Jambo, and one year on the kitchen filters — written into the contract.
Can I pay in instalments?
Yes — a down payment and monthly instalments. We agree the details when you book.
What does the annual maintenance contract include?
A visit every 3 months: cartridge changes on schedule, connection checks, and a water-quality reading.
