Products Offered

We offer individual boilers ranging from 50-6000 MBH input and can design and furnish custom cascade systems to mach virtually any need

From small circulators through high volume base mounted heating and fire pumps, Great Rock Automation offers expert sales and service for all your pumping needs

With a full line of heat exchanger products at their disposal, our staff is well equipped to design, size, and service even your most complex projects 

Great Rock Automation is pleased to offer a wide selection of tanks and pressure vessels including expansion tanks, air separators, hydraulic separators, and domestic hot water storage tanks

We offer a wide selection of manual and automatic valves, strainers, suction diffusers, automatic backwash cleaning systems, and other hydronic accessories