The Pinnacle(tm) gas-fired boiler fromPeerless(Boyertown, PA) is the latest addition to the company's complete line of hydronic heating products. Features include a state-of-the-art control board that uses high-end mathematics to modulate the boiler's firing rate to match the actual heating needs of the building; a Honeywell Venturi gas valve system for accurate burner output; a high, 92% AFUE, which qualifies it for an Energy Star rating; and quiet operation.