

💧 Keep your water heater pressure-perfect and worry-free!
This Set of 2L Expansion Vessel and Non-Return Valve from Ariston is engineered to protect closed water heating systems by managing excessive pressure and preventing backflow. Fully UKCA certified and crafted from durable alloy steel, it’s optimized for seamless integration with Ariston Andris water heaters, ensuring reliable, long-term performance in UK homes.

| ASIN | B003ITQXFG |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 131,945 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,298 in Central Heating System Accessories |
| Colour | White |
| Customer Reviews | 4.2 4.2 out of 5 stars (56) |
| Date First Available | 23 April 2010 |
| Included Components | 2L expansion vessel, non-return valve |
| Item Package Quantity | 1 |
| Item Weight | 1.02 kg |
| Item model number | 406801 |
| Manufacturer | Ariston |
| Material | Alloy Steel |
| Part Number | 406801 |
| Product Dimensions | 12.5 x 12.5 x 23.7 cm; 1.02 kg |
| Size | 12.5 cm x 12.5 cm x 23.7 cm |
S**G
Good quality
Came quickly and was soon put to use for the purpose it was designed for
P**E
Fitted perfectly
Fitted perfectly when installing a water heater, good price too.
M**S
Good
It was bought for a studio flat a year ago and has not given any problems as yet. It is very compact and supplies hot water to a kitchen sink and shower room basin
C**R
Works well
Make sure you use a bit of sealing compound to make a completely watertight seal. Bargain.
T**H
Not Ariston
Cheap, but not as described or pictured.
J**7
Good value for money
Arrived promptly, product as described. Good value for money.
J**D
Two Stars
still only got half of order
A**N
That thing saved me 1k for a water pump replacement.
F**E
Mal funcionamiento valvula
Trustpilot
2 days ago
1 month ago