Is this expansion vessel is pre-charged on delivery and what is the pre-charged pressure?

The pressure vessel is pre-charged at 3.5 bar.

Will this stop continual dripping from pressure relief valve on my 10ltr unvented water heater

Yes. It is necessary to allow for expansion. Hot water expands by up to 10% and the vessel allows for this. If you don’t fit then the pressure forces it’s way out via the tap (dripping) or out of the pressure relief valve.

what fitting do i need to connect this to my 15mm pipe work?

I suggest you take the vessel to a plumbers merchant and ask them to give you an adapter from the thread on the vessel to 15mm pipe.

Is the membrane made from epdm rubber?

It is synthetic rubber but I cant say if it is EPDM, Nitrile , or something else. I cannot think of any water component that would cause a problem with those.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Water Heater Expansion Vessel Kit A

Product ID: 49212828

Details

Brand
Ariston
Capacity
2 litres
Colour
White
Material
Brass Steel
Special feature
Check Valve

💧2L capacity

⚙️10 bar max pressure

🛡️Check valve safety

693 kr

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Description

💧 Elevate your water heater’s performance with Ariston’s precision expansion kit!

COMPACT 2 L CAPACITY - Optimized size for efficient pressure management without bulk
INTEGRATED CHECK VALVE - Ensures safety by preventing backflow and system damage
PREMIUM BUILD MATERIALS - Durable brass and stainless steel for long-lasting reliability
ROBUST 10 BAR PRESSURE RATING - Engineered to handle high-pressure demands with ease
SEAMLESS ARISTON COMPATIBILITY - Designed specifically for Ariston water heaters for perfect fit

The Ariston Water Heater Expansion Vessel Kit A is a 2-litre capacity accessory designed to maintain optimal pressure in Ariston water heaters. Featuring a robust 10 bar maximum pressure rating and a built-in check valve for enhanced safety, this kit combines durable brass and stainless steel materials to ensure long-lasting performance. Perfectly tailored for Ariston systems, it offers a reliable, compact solution to protect your water heater and improve efficiency.

Specifications

ASIN	B00QVMB9KG
Best Sellers Rank	39,626 in DIY & Tools ( See Top 100 in DIY & Tools ) 38 in Water Heaters & Parts
Brand	Ariston
Capacity	2 litres
Colour	White
Customer Reviews	4.5 out of 5 stars 251 Reviews
Is Electric	No
Manufacturer	Ariston
Manufacturer Warranty Description	12 months.
Material	Brass , Stainless Steel
Maximum Pressure	10 Bars
Model Number	445190
Mount Type	internal
Number of Items	1
Number of Packs	1
Part Number	Kit A
Special Features	Check Valve Safety Feature
Special feature	Check Valve Safety Feature
Style	Water Heater Accessory
UPC	708747445190
Unit Count	1.0 count

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TrustScore 4.5 | 7,300+ reviews

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693 kr

Duties & taxes included

In stock

Sold byAmazon NorwayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Norway.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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