The Series MI cast iron residential boiler can fire either natural or LP gas. This atmospheric, gas-fired hot water boiler is designed for natural draft use with a conventional chimney. Exceeding the 80%-AFUE efficiency standard, this boiler is available with a choice of a standing pilot or an intermittent ignition. The integral draft diverter provides a low-profile design, allowing the boiler to be installed in areas with low clearance, states the company. Standard on the boiler are a flame rollout safety switch, a vent safety shutoff switch, a Taco circulator, and Honeywell controls. An insulated, enameled steel jacket is also standard.

Peerless Heater Co., Attn: Marketing Dept., 231 North Walnut St., Boyertown, PA 19512-1021; 717-285-9602; www.peerless-heater.com (website).

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