Ariston Kit A – 2 Litre Expansion Vessel & Non-Return Valve 406801
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The Ariston Kit A – 2 Litre Expansion Vessel & Non-Return Valve (part number 406801) is a genuine Ariston accessory designed to protect unvented water heaters from excessive pressure and prevent backflow. This kit is essential for safe and compliant installation of Ariston Andris and Europrisma under/oversink water heaters (10L, 15L, and 30L models).
Key Features
- 2 litre potable expansion vessel absorbs expansion in the hot water system
- 15mm non-return (check) valve prevents backflow of heated water into the cold main
- Designed for use with Ariston Andris and Europrisma 10, 15, and 30 litre water heaters
- Ensures safe operation and compliance with UK water regulations
- Suitable for under or oversink installations
- Potable water-grade materials to ensure water safety
- Easy to install and maintain
- Genuine Ariston part for assured quality and reliability
Technical Specifications
| Manufacturer | Ariston |
|---|---|
| Part Number | 406801 |
| EAN / GTIN | 5411692702007 |
| Expansion Vessel Capacity | 2 litres |
| Check Valve Size | 15mm compression |
| Compatible Models | Ariston Andris & Europrisma 10L, 15L, 30L (under/oversink) |
| Weight | Approx. 1.5 kg |
| Warranty | 1 year |
Typical Applications
- Prevents pressure build-up and protects the water heater and plumbing system
- Stops backflow of hot water into the cold water main
- Required for unvented water heater installations to meet Ariston and UK standards
Choose the Ariston Kit A (406801) for safe, compliant, and reliable operation of your Ariston unvented water heater installation.
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