Boiler and water heater installation and repair - NH and MA
DSG Backflow Preventer Services can handle all your boiler and hot water heater installation and repair needs. We service both gas and electric boilers and hot water heaters, as well as the newer tankless water heaters. Our coverage area extends throughout most of New Hampshire into northern Massachusetts. From installation to maintenance and repairs, call DSG Backflow Preventer Services today at (603) 235-9645 for more information, or to schedule an appointment.