WSP Pressure Tank - Well Water, Amtrol

If your well pump switches on and off too often or your water pressure feels uneven, a pressure tank like this one helps by holding water under pressure to reduce pump cycling. It smooths pressure swings and protects your pump from wear, making your water delivery steadier and your system more reliable.

The problem you’re living with

When you turn on a tap or flush a toilet, your well pump starts to push water into your home. Without a pressure tank, the pump has to start and stop every time water is used. This can cause the pump to cycle rapidly, leading to noise, uneven water pressure, and premature pump wear. You might notice your pump running more often than seems necessary or your water pressure dropping suddenly at times.

Why it’s happening

Well pumps work best when they can fill a pressurized tank that stores water ready to flow without the pump running. If you don’t have a pressure tank, or if your existing one is waterlogged or too small, the pump cycles too frequently. The pressure tank’s job is to hold water under air pressure so that water flows evenly and the pump only runs when the tank’s supply is low.

What it’s costing you to leave it

Without a properly sized, functioning pressure tank, your pump works harder and wears out faster. Frequent cycling can mean higher energy bills and more frequent pump repairs or replacements. Uneven pressure also impacts daily comfort: showers may vary between strong and weak, and taps can sputter or pulse. Over time, this wear adds to the cost and inconvenience of maintaining your well system.

How this system fixes it

This pressure tank uses a captive-air diaphragm to hold water under pressure inside the tank. When you open a tap, water flows out smoothly from the tank’s stored supply, keeping pressure steady. The pump only switches on when the water in the tank drops to a lower set point, reducing how often it cycles on and off. This design separates air from water inside, maintaining proper pressure and tank capacity over time.

What this system can handle

This Amtrol Well-X-Trol WX-251 model has a 62-gallon steel tank that fits upright spaces around 22 inches wide and 47 inches tall. Its large capacity suits homes with substantial water demand—if your household uses more water, this tank smooths out pressure swings and protects your pump better than smaller tanks. It holds a generous reserve of pressurized water, helping the pump cycle less frequently even under higher flow needs.

What you actually get

You receive the Amtrol Well-X-Trol WX-251 pressure tank with a lifetime warranty on the steel pressure vessel itself. The control valve and electronics are covered separately under the manufacturer’s terms. This tank’s proven captive-air diaphragm design keeps air and water separated to avoid waterlogging and maintain performance through years of use.

Is this the right size for you

This tank fits homes with moderate to high water use where pump cycling is a problem. If your household water demand is smaller or your pump runs infrequently, a smaller tank might suit you better. Conversely, if you have very high demand or a large property, sizing up to a larger tank or multiple tanks could be necessary for optimal protection.

Living with it

The tank requires little maintenance beyond occasional checks to ensure the air charge remains at the correct pressure. Over time, the air pressure in the tank can drop, which reduces capacity and causes the pump to cycle more. Adjusting the air charge is a simple task your plumber can perform during routine system checks. The durable steel tank and diaphragm design mean it should last many years without internal repairs.

What it won’t do

This pressure tank smooths water pressure and reduces pump cycling but does not filter, soften, or otherwise treat your water’s chemical or sediment content. If your water has hardness, iron, or sediment issues, you’ll need a separate water treatment system designed for those problems.

Why buy it from us

We offer this pressure tank with genuine Amtrol quality and a lifetime warranty on the tank. Our units ship from Tampa with free U.S. shipping included. We provide straightforward sizing help based on your water needs and system. Unlike sealed disposable units, this tank has serviceable components and parts available years from now, so you can keep your well system running smoothly for the long term.

Included with this system

• Lifetime warranty on the tank. The control valve and electronics carry the manufacturer's own warranty.

Specifications

The next step

Order your Amtrol Well-X-Trol WX-251 pressure tank from us today to start smoothing your well pump cycling and improving household water pressure.