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Sewer Prevention Contracts Start $29/Month 

Heating Service Contracts Start $21/Month 

15% OFF All Service Repairs

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Commercial Backflow Testing
Nassau and Suffolk County, NY

Sewer Prevention Contracts Start $29/Month 

Heating Service Contracts Start $21/Month 

15% OFF All Service Repairs

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Protect Your Business With Certified Backflow Testing

Your commercial property requires annual backflow testing to ensure safe drinking water and regulatory compliance. Sullivan Plumbing & Heating Inc provides certified backflow testing and prevention services throughout Nassau and Suffolk County, NY. Our NYS certified backflow testers deliver thorough inspections to safeguard your water supply from contamination. Reach out to us to schedule your commercial backflow testing today.

When Your Commercial Property Needs Backflow Testing
Commercial buildings, restaurants, medical facilities, and industrial sites throughout Nassau and Suffolk County, NY face mandatory backflow testing requirements. Backflow devices prevent contaminated water from flowing backward into the clean water supply, protecting public health. Testing is essential when:
  • Annual certification is due for regulatory compliance
  • New backflow prevention devices have been installed
  • Water pressure issues or system changes occur
  • Property renovations affect plumbing systems
  • Municipal authorities issue testing notices

Sullivan Plumbing & Heating uses advanced testing equipment to verify your backflow prevention devices function properly. Our licensed technicians complete inspections efficiently while maintaining detailed records for your compliance documentation.
Why Choose Sullivan Plumbing & Heating
Sullivan Plumbing & Heating has served local businesses for over two decades with reliable backflow testing services. Our family-owned company brings experience and personalized service to every commercial property. Benefits include:
  • NYS certified backflow testers on staff
  • Same-day estimates available
  • Licensed and insured technicians
  • One-year warranty on parts and labor
  • Emergency services for plumbing and heating needs
  • Financing options to fit your budget
  • Bilingual team speaking English and Spanish

Our National Grid certified technicians understand local regulations and work with municipal authorities to ensure your business stays compliant. With preventative maintenance contracts starting at just $29 per month, we make it easy to protect your water system year-round.
Contact Us

Schedule your backflow testing before your deadline arrives. Sullivan Plumbing & Heating arranges convenient appointments that work around your business operations. Our certified technicians arrive prepared with the tools and knowledge to complete your inspection quickly and accurately. New customers receive 10% off any service, and we offer special promotions on equipment installations. Contact us today to schedule your commercial backflow testing and ensure your water system remains safe and compliant.

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