Providing Commercial and Residential Plumbing Services to Delaware and Maryland for over 25 years
Back Flow Testing
Backflow testing monitors the health and safety mechanisms designed to protect water purity.
When the pressure in a water system isn't maintained, the risk for water to flow backward into the water system
and become contaminated is greatly increased.

    Harry Caswell Plumbing, Mechanical and Utilities Contractor provides professional service for testing,
    certification, preventative maintenance, repairs if needed, and compliance reporting
    Harry Caswell Plumbing, Mechanical and Utility Contractor can install new backflow preventers, replace
    damaged or stolen backflows, and installs backflow cages and protection options to deter theft.
24 Hours-7 Days A Week-365 Days a Year
Emergency Plumbing Service
When it comes to your plumbing needs, Harry Caswell Plumbing, Mechanical and Utility Contractor is ready to
    Our Fully Trained and Proficient Emergency Maintenance Engineers are available 24 Hours 7 Days a week,
    365 days a year to attend to your problems promptly and competently.
Areas Serviced

Bethany Beach-Bridgeville-Dewey Beach-Dover-Fenwick Island-Georgetown-Greenwood-
Harrington-Laurel-Lewes-Long Neck-Millsboro-Milton-Milford-Rehoboth Beach-Seaford-Smyrna

Berlin-Delmar-Denton-Easton-Fruitland-Federalsburg-Hurlock-Ocean City-Ocean Pines-Salisbury
302-945-5322    FAX 302-945-7746

32645 Long Neck Rd Millsboro, DE 19966

Copyright (c)  Harry Caswell, Inc. All rights reserved