The Peerless® Pinnacle® gas-fired boiler from Peerless Boilers is available for either natural or LP gas and is offered in five sizes, including two new models. The boiler offers an ultra-high, 92% AFUE that exceeds the requirements for the Energy Star® rating. High-grade stainless steel construction assures the boiler's durability and the new metal mesh burner element improves turndown and reduces emissions. The compact, lightweight design of the boiler allows for maximum installation flexibility. The boilers are equipped with a new P125 Control Board that offers state-of-the-art technology. Supply and return temperatures, flame signal and fan speed (firing rate) can all be viewed from the improved LED digital display module for enhanced boiler serviceability. Peerless® Boilers.