how much time it's good until need replacement ?

Mine lasted 18 months. Considering it was a replacement for a different tank that lasted 5 years, I consider that pretty poor.

How much pressure is in it when received?

It comes with the proper pressure. Over time, the pressure will get too low. Go on YouTube to For instructions on how to re-pressurize.

What's the recommended pressure to keep on the bladder? 8psi?

Pre-charge with 5-7 psi of air pressure. When tank is full it may reach 45 to 50 psi of pressure depending on your RO system.

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PA-E RO-122 Small Reverse Osmosis Water Storage Pressure Tank

PA-E RO-122 Small Reverse Osmosis Water Storage Pressure Tank

Product ID: 97634529

Details

Brand
PA-E
Capacity
2.2 gallons
Included components
Storage Tank
Installation type
Under Sink
Material
Brass Steel
Package information
Dispenser

💧2.2-gallon capacity

🔧Pre-pressurized, maintenance-free

🛡️NSF/ANSI Standard 58 certified

€ 259.81

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Elevate your hydration game with pressure-perfect purity!

SPACE SAVVY DESIGN - Compact stainless steel tank fits perfectly under sinks, in RVs, or campers without sacrificing performance.
PLUG PLAY PRESSURE - Pre-charged internal bladder design means zero maintenance and instant water flow.
CERTIFIED CLEAN SAFE - NSF/ANSI Standard 58 certification guarantees your drinking water meets top health standards.
LEAK PROOF RELIABILITY - Sealed brass air valve and o-ring cap provide a durable, leak-free water storage solution.
CONSISTENT HYDRATION ON DEMAND - 2.2-gallon capacity ensures steady, pressurized filtered water whenever you need it.

The PA-E RO-122 is a 2.2-gallon stainless steel reverse osmosis water storage tank designed for under-sink RO systems. Featuring a pre-pressurized internal bladder and NSF/ANSI Standard 58 certification, it delivers consistent, contaminant-free water with a compact, leak-proof design ideal for home, RV, or camper use.

Specifications

ASIN	B00A7GFVI8
Best Sellers Rank	1,126,382 in DIY & Tools ( See Top 100 in DIY & Tools ) 732 in Under-Sink Filters
Brand	PA-E
Capacity	2.2 gallons
Container Type	Dispenser
Customer Reviews	5.0 5.0 out of 5 stars (1)
EU Spare Part Availability Duration	5 Years
Included Components	Storage Tank, Tank Holding Bracket
Installation Type	Under Sink
Item Dimensions L x W x H	22.9L x 22.9W x 35.6H centimetres
Manufacturer	PA-E
Manufacturer Part Number	RO-122
Material Type	Brass, Polypropylene, Stainless Steel
Model Name	RO-122
Model Number	RO-122
Number of Items	1
Number of Packs	1
Other Special Features of the Product	NSF certified
Power Source	Corded Electric
Purification Method	Reverse Osmosis
Supported Water TDS Level Maximum (PPM)	500
UPC	670541140116 661799343824
Unit Count	1.0 count

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€ 259.81

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered 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 Italy.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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