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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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Sewer Prevention Contracts Start $29/Month
Heating Service Contracts Start $21/Month
15% OFF All Service Repairs
Request Lorem Epsom
Hero Request Form
Thank you for contacting us.
We will get back to you as soon as possible.
Please try again later.
When your tankless water heater stops delivering hot water on demand, you need reliable repair service fast. Sullivan Plumbing & Heating Inc specializes in diagnosing and fixing all makes and models throughout Nassau and Suffolk County, NY. Our team works with trusted brands to restore your endless hot water supply quickly. We offer same-day estimates and provide emergency services for urgent situations. Reach out to us to schedule your repair today.
- Inconsistent water temperature or no hot water
- Strange noises like rumbling or banging
- Error codes appearing on the display
- Reduced water flow or pressure
- Visible leaks around the unit
- Unit won't turn on or keeps shutting off
Our licensed and insured technicians can quickly identify the problem and get your system back on track. With over 20 years of experience, we can handle any repair efficiently.
- Certified installers for major brands including Rheem and A.O. Smith
- Bilingual service in English and Spanish
- One-year warranty on parts and labor
- 10% discount for new customers
- Financing options available
- National Grid and Navien certified
We're also proud sponsors of the Massapequa International Little League, giving back to the community we serve. When you need dependable repairs, Sullivan Plumbing & Heating is here with the skills and dedication you deserve.
A malfunctioning tankless water heater can disrupt your daily routine. Sullivan Plumbing & Heating is ready to restore your hot water supply with fast, reliable repair service. We offer preventative maintenance plans to keep your system running at peak performance, and our emergency services ensure help is available when you need it most. Contact us today for same-day estimates and let our experienced team take care of your tankless water heater repair needs.
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