Amtrol Well-X-Trol 4.4 Gallon Inline Water System Pressure Tank - WX-102

This inline model needs no floor space, and can be conveniently installed in closets, under sinks, and tight locations.

Amtrol Inc. invented the first pre-pressurized well tank over 50 years ago. This revolutionary product featured an innovative design using a hoop ring and groove to lock the diaphragm, liner and shell together in a totally unique way.

This tradition of innovation continued with Amtrol’s Next Generation Well-X-Trol, which utilized high strength steel to deliver 150 psig working pressure - 20% higher than competitve well tanks. Backed by an industry leading 7 year warranty.

Now Well-X-Trol is combining its patent-pending Turbulator™ with an antimicrobial liner to deliver Clean Water Technology™ in every tank.

Well-X-Trol - the world’s most trusted brand of well tanks; setting the standard for quality, reliability and performance.

Well-X-Trol 4.4 Gallon Inline Water System Pressure Tank - WX-102
Model # WX-102
Capacity 4.4 Gallon
Material Steel
Size 11" X 15"
Drawdown @(30-50 PSI) 1.4 Gallons
Drawdown @(40-60 PSI) 1.2 Gallons
Connection 3/4" NPTM
Warranty 7 Year Limited Warranty
Weight 9 lbs. (Shipping Weight)
UPC 642031644084
Price: $89.00

In Stock
Features & Accessories FAQ's Literature Videos
The Industry’s Longest Warranty: 7 Years

NEW Antimicrobial Liner Protection
  • Kills over 99.9% of bacteria on contact.
  • Safe, Silver-Ion technology only targets active microorganisms.
  • Long lasting compound protects water reservoir from biofilm fouling.
Fresh Water Turbulator™
  • Patent-pending diffuser agitates incoming water stream.
  • Water-jet scrubbing action prevents sediment buildup.
  • Eliminates stagnant water in VFD applications.
  • Helps extend the life of the tank.
Projection Welded Air Valve
  • Eliminates threaded valve leak paths.
  • Tamper-evident warning label for added safety.
NEW High Strength Steel (HSS) Construction
  • Deep-drawn dome for double the strength of rolled steel.
  • Multi-dome construction for internal bracing.
Multi-Dome Construction
  • Provides internal bracing for added strength.
  • Prevents diaphragm over-extension.
Positive Hoop Ring and Groove Seal
  • Unique hoop and gring groove design secures the diaphragm, liner and shell for added strength and reliability.
  • Exclusive welding process eliminates interior rough spots and sharp edges that can damage the diaphragm and liner.
Seamless Heavy Duty Butyl Diaphragm
  • The Industry’s thickest diaphragm for extra strength and flexibility.
  • Conforms exactly to the shell without stretching, creasing or forming bubbles that could trap water or sediment.
  • Meets stringent FDA requirements.
Polypropylene Tank Liner
  • Provides 100% corrosion resistant, non-metallic water reservoir.
  • NSF® International Standard 61 listed for clean, safe water storage with no taste or odor.
  • BPA Free
Stainless Steel System Connection
  • High grade stainless steel withstands agressive water conditions.
Best-in-Class 150 psig Pressure Rating
  • 20% higher working pressure performance.
  • Each tank is pressure tested for added safety.
  • Pre-pressurized to 38 PSI (the most common pump cut-in pressure).
Tuf-Kote™ HG Indoor/Outdoor Coating Technology
  • Now standard on all models
  • Stands up to the most severe environments.
DuraBase™ Composite Tank Stand available on some models
  • Patent pending design is engineered for strength and improved air flow under the tank.
  • Allows tanks to be installed directly on cement floor without worry of scratching paint and exposing steel.
  • UV resistant material is rugged and will never corrode.


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