Line of preengineered, skid-mounted boilers provide the system as prepiped and ready for startup. The company offers boiler skids for its full line of hot water boilers. Every skid system includes the boiler, system pumps, air separator and expansion tank. Optional items include a chemical pot feeder and glycol fill station. Preengineered skids are available for gas-fired, condensing boiler systems ranging in size from 500 to 12,000 MBH capacity. Up to six boilers can be combined in a skid, and additional boilers can be added as a custom-engineered solution.