WSP Pressure Tank - Well Water, PT-AMTRO-4, Amtrol

This pressure tank from Water Softener Plus is designed to smooth out well pump cycling and maintain steady water pressure in homes or light commercial settings with well water. It offers a large 34-gallon capacity in a compact design and comes with a lifetime warranty on the tank itself.

The problem

If your well pump seems to switch on and off too frequently or your water pressure feels inconsistent—sometimes strong, sometimes weak—you’re dealing with a common issue in well water systems. These rapid pump cycles wear out equipment faster and cause fluctuating water flow at your faucets, showers, or irrigation system.

Why it’s happening

Well pumps push water into your plumbing under pressure, but without a pressure tank holding a reserve supply, the pump has to start every time you open a tap. This repeated cycling isn’t just noisy; it strains the pump’s motor and causes those dips in pressure you notice. The key check is whether your existing tank’s volume and air pressure are adequate for your home’s water use. If the tank is too small or waterlogged, the pump cycles excessively and pressure doesn’t stay steady.

What it’s costing you to leave it

Constant pump starts shorten the life of your well pump by making its motor work harder and heat up more often. You’ll also likely see more variation in water pressure across your home, making simple tasks like filling a sink or running sprinklers less reliable. Over time, this wear and tear can lead to costly repairs or early replacement of your pump. Plus, unstable pressure means less comfort and convenience every day.

How this system fixes it

This pressure tank uses a pre-pressurized diaphragm inside the tank to keep water separate from the air chamber. When your pump fills the tank, it compresses the air, storing water under pressure so it’s ready to flow when you need it. This reserve supply means your pump doesn’t have to run every time you turn on a faucet, reducing starts and smoothing pressure throughout your plumbing.

What this system can handle

The 34-gallon capacity of this tank holds a significant amount of water under pressure, which is ideal for larger households, properties with several water fixtures running at once, or light commercial use. Its wide 22-inch diameter and 30-inch height make it a practical fit in mechanical rooms with limited height but more floor space. It can handle the demands of irrigation systems and booster pumps, giving you steady pressure even when multiple taps or sprinklers run at once.

What you actually get

This is an Amtrol Well-X-Trol pressure tank built on Amtrol’s proven control platform. The tank itself carries a lifetime warranty, ensuring long-term reliability. The control valve and electronics come with the manufacturer’s warranty as specified. The diaphragm design keeps water and air separate inside the tank, preventing waterlogging and maintaining performance over time.

Is this the right size for you

This tank suits homes with higher water use and well systems that supply multiple fixtures simultaneously. If your household is small with low water demand, a smaller tank might be a better fit to avoid unnecessary bulk and cost. Conversely, if you have a very large property, multiple bathrooms, or extensive irrigation needs, you might want to consider sizing up to ensure enough drawdown and pump protection.

Living with it

Maintenance mainly involves checking the tank’s air pressure periodically—usually once or twice a year—and ensuring the diaphragm remains intact. If air pressure drops, your plumber can easily adjust it with common tools. The lifetime warranty on the tank means you’re covered against structural failure, but electronic components and control valves are covered separately by the manufacturer’s warranty. Overall, upkeep is straightforward and doesn’t require constant attention.

What it won’t do

This pressure tank won’t treat water quality issues like iron, sediment, or bacteria. It won’t soften hard water or filter out chemicals. If you have those problems, you’ll need additional equipment designed specifically for water treatment. This tank’s role is simply to stabilize pressure and extend the life of your well pump by reducing cycling.

Why buy it from us

Water Softener Plus offers this well water pressure tank with genuine Amtrol components known for durability and serviceability. The lifetime warranty on the tank itself is backed by a brand with decades of experience. We ship from Tampa with free U.S. delivery included. When you order, you get real sizing support from people who understand well water systems, not just an automated checkout. Plus, our 90-day money-back guarantee lets you buy with confidence.

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 WSP Pressure Tank online now to improve your well system’s performance and protect your pump from wear. Free U.S. shipping is already included in the price.