The Vantage® modulating heater provides increased fuel efficiency by modulation, the adjustment of both fuel and combustion air, resulting in efficient and optimum combustion throughout the full range of burner inputs, the company says. Burner modulation can be fully automatic or manual control to suit different applications. Available in natural gas or propane, the heater has a hot surface electronic ignition control for startup. Features include onboard diagnostics for fault and system status, a protective enclosure for the controls, and heat-treated aluminized tubing.

Roberts-Gordon, 1250 Williams St., Buffalo, NY 14206; 716-852-4400;

eProduct #185