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David M. Murphy Plumbing, Heating and Gas Fitting, Inc. has been providing quality plumbing and heating services to residents and businesses in the Merrimack Valley since 1983. We value our reputation as a professional, reliable company, with customer satisfaction as our top priority. We offer prompt, courteous, specialized service using the right tools and skills to get the job done. Our services include general plumbing, heating, and gas fitting needs, as well as specialized services like water heater replacements and heating system upgrades. Whether you're remodeling a kitchen or bathroom, or need assistance with a plumbing or heating emergency, we're here to help.