a division of Gustavo Preston Company

Continuous pressure is not just a convenience, it’s a safety requirement. The problem with most pump system designs installed today is the lack of customization available from the manufacturer for the project. Our internal application engineers select the right pump for your pressure, flow, and business needs. We analyze every aspect of the design so there is no long term problem. Each project is tailored to meet the customer’s packaged pumping system needs.

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Few people ever think about how the water gets to the top floors of high-rise buildings. Each building’s plumbing design is just as important as any other aspect of construction. Gustavo Preston Company proudly designs, engineers, specifies, sells, services, and maintains Syncroflo, Wilo, and Penn Pump water booster systems. Depending upon the project profile, pressure, and water capacity, GPC has the perfect pump to meet the needs of any size building.  

Fire pumps are required when municipal water systems can’t provide adequate pressure to meet the demands of a building’s sprinkler system. Peerless Fire Pumps systems are proven to meet changing and demanding conditions and are field tested for reliability and longevity.

An elevator pump plays a vital role in maintaining safe equipment for passengers. Gustavo Preston works closely with Industrial Flow, the manufacturer of Stancor® elevator pumps, to ensure the pumps and controls are working properly to maintain efficiency and safety in your buildings.

From grinder and slicer pumps to condensate return pumps, Gustavo Preston works with a variety of different manufacturers to ensure a pump that meets your specifications and expectations of quality. 

Syncroflo’s standard Iron Heart and custom water booster systems are market-leading booster systems specified and supported by Gustavo Preston Company. These systems are ISO 9001:2015 certified and bear the UL labels to 778 and UL508A standards.

Weil sewage pumps are the best in the industry. They manufacture a broad range of heavy-duty, long-lasting wastewater submersible pumps for a variety of demanding applications.

peerless pump

Peerless fire pumps are field tested products designed for reliability and longevity. Gustavo Preston supports pump specifications, installation, and maintenance for Peerless Pump manufactured goods.


Wilo manufactures a variety of highly-efficient water booster systems as well as centrifugal and multi stage water pumps. Wilo’s wastewater pumps and water booster pump systems are industry-leading products suitable for a range of applications.

Stancor Pumps and Controls offers the Oil Minder solution-based pump system that integrates submersible pump and oil sensing controls to deliver code compliance while reducing environmental risks.


Penn Pump manufactures the WPB Water Booster system that is NSF/ANSI 61 & 372 certified. Penn water booster pumps offer another option for a packaged water booster system.

Featured Case Studies

Gustavo Preston Company has specified and installed thousands of Pre-packaged systems in the New England Area. Check out this Seaport case study that features many pre-packaged water pump systems that we specify.

Gustavo Preston Company  specifiers and installers are a customer-focused team of professionals that provide exceptional service. Check out this MIT Nanoscale case study that features one of the many Ejector Pumps that we specify.

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Choose Gustavo for high-quality, comprehensive service and solutions.