1 Gallon Reverse Osmosis Storage PAE Tank TP-4
1-Gallon Reverse Osmosis Storage Tank – PAE TP-4
Store purified water efficiently and maintain steady faucet flow with this 1-Gallon Reverse Osmosis Storage Tank – PAE TP-4. Designed for residential and light-commercial reverse osmosis systems, the pressurized bladder tank stores RO water and delivers it on demand without requiring a separate delivery pump.
The tank is manufactured by PA-E Machinery and uses a stainless-steel water connection, internal diaphragm, and precharged air chamber for dependable RO water storage.
RO Storage Made Simple: The pressurized design automatically supplies stored water when the faucet opens and refills as the RO system produces more water.
Key Features
- Designed for reverse osmosis drinking-water systems
- Precharged bladder tank for on-demand water delivery
- Stainless-steel water connection
- Internal O-ring sealed air valve cap
- Suitable for RO storage, pump-tank, and compatible thermal-tank applications
Technical Specifications
| Specification | Details |
|---|---|
| Model | TP-4 |
| Total Tank Volume | 1 gallon |
| Approximate Usable Water Storage | Approximately 0.67 gallon / 2.54 L at 60 PSI |
| Maximum Working Pressure | 100 PSI |
| Factory Air Precharge | Approximately 6 PSI |
| Water Connection | 1/4-inch stainless-steel connection |
Included Components
- One reverse osmosis storage tank
- Tank support bracket or stand
Tank valve not included. A compatible tank ball valve must be purchased separately. See Part No. 105139.
Capacity Notice: The usable water volume is lower than the tank’s total internal volume because part of the tank contains the pressurized air chamber. Actual delivery capacity varies with feed pressure, tank precharge, RO shut-off pressure, and operating conditions.


