The Dierolf Supply Company was established in 2008. With service areas covering Gilbertsville, Pottstown, Allentown, Quakertown, Harleysville and other surrounding areas of Montgomery, Chester, Lehigh and Berks Counties, Dierolf Supply Company is the premier water treatment company to contact if you need a Water Softener, Water Conditioner or Drinking Water system to treat your homes water supply. Whether your house is fed by Well Water or City Water, Dierolf Supply Company has the right water treatment or water filtration system to help keep the water that you and your family rely on safe for drinking, cooking and bathing. Call us today for a water analysis that will evaluate your home’s water condition and help us determine the best water treatment solution for you.

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Your authorized Safeway Water dealer servicing:

  • Gilbertsville
  • Green Lane
  • Downingtown
  • Pottstown
  • Quakertown
  • Fleetwood
  • Chester Springs
  • Spring City
  • Harleysville
  • Glenmoore
  • Collegeville
  • Schwenksville
  • Allentown
  • Boyertown
  • Zionsville

Well Water



  • Iron
  • Sulfur Odors
  • Manganese

Iron Zapper systems work when
others fail because our design has a proven track record!

City Water

Single and dual tank systems for city and chlorinated well water.

Systems provide triple treatment for water hardness, tastes and odors.

Three treatments for one low price!

Drinking Water

  • Quick change cartridges
  • Auto shut-off
  • Hinged bracket (easy access)
  • Storage tank will not rust
  • Chrome faucet
  • Easy installation

Water Analysis

Get a no obligation water analysis from a trained water treatment professional.

Salt Delivery Service

Convenient Salt Delivery Service

We deliver water softener salt for any brand softener in our service area.

We service all makes
and models!

Get our 21-point inspection for 50% off. (Please call for details.)