Cimm 18 Litre Potable Water Expansion Vessel – WRAS & ACS Approved (Model ACS CE 18)
The Cimm 18 Litre Potable Water Expansion Vessel is a top quality solution to maintain safe and stable pressure in hot and cold sanitary water systems. For residential and light commercial use this compact expansion vessel prevents pipe bursts, water hammer and damage caused by pressure fluctuations.
WRAS and ACS approved, the ACS CE 18 is fully compliant with UK and European regulations for use with drinking water (potable) so it’s the safe and reliable choice for pressurised domestic water systems.
Key Features
Certified for Potable Use – WRAS & ACS approved for drinking water systems
Pre-Charged – Comes pre-loaded to 3.5 bar for quick installation
Wide Operating Range – Temperature: -10°C to +100°C | Max Pressure: 10 bar
Reliable Diaphragm Design – Maintains pressure and prevents contamination
Why Choose This?
18 Litre Capacity – Ideal for small to medium potable water systems and domestic hot water storage applications.
WRAS & ACS Approved – Safe for drinking water use in the UK and Europe.
Pressure Regulation – Protects plumbing systems from pressure spikes, extends pipework and appliance life.
Energy Efficient – Reduces pump cycling and energy use by stabilising pressure in pressurised systems.
Space-Saving Design – Compact for easy installation in tight spaces.
Durable Construction – Built for long term use in high pressure, high temperature environments (up to 10 bar, 100°C)
Maintenance Friendly – Pre-charged and easy to service, reduces system downtime and maintenance costs.
Ideal For:
Domestic and small commercial potable water systems
Unvented hot water cylinders
Cold water booster sets and pressurising systems
Refrigeration and chilled water circuits
Buy the Cimm 18 Litre Potable Expansion Vessel Today
Get safe and stable pressure in your potable water system. Buy now for a WRAS approved, high performance solution trusted by professionals.
Specification
Cimm 18 Litre Potable Water Expansion Vessel Specification
Manufacturer
Cimm
Model
ACS CE 18
Standards
PED 2014/68/UE and EN 13831
Approvals
WRAS & ACS
Capacity
18 Litres
Dimensions (H x W x D)
420 x 260 x 260 mm
Connection
3/4" Bsp Male
Pre-Loaded
Yes - Pre-loaded to 3.5 bar
Diameter
260mm
Max. Operating Pressure
10 bar
Working Water Temperature
-10 to +100°C
Potable Water Use
Yes – WRAS & ACS Approved
Application
Hot & Cold Water, Pressurising, Sanitary and Refrigeration Systems
Product Type
Potable Water Expansion Vessel
Features
Cimm 18 Litre Potable Water Expansion Vessel Features
Certified for Potable Use – WRAS & ACS approved for safe use in drinking water systems
Pre-Charged – Comes pre-loaded to 3.5 bar for quick installation
Wide Operating Range – Temperature: -10°C to +100°C | Max Pressure: 10 bar
Reliable Diaphragm Design – Maintains pressure and prevents contamination
