10:1 turndown ratio Comes with an LP adapter kit (Venturi insert change) Vent/air-inlet piping length of up to 150ft. of 3in Sealed modulation combustion system Constructed using 439 stainless steel heat exchanger All stainless steel internal piping Wall or floor mounting The iFlex control interface provides easy navigation and set up with a 2.4" display Self-diagnostic display with lead lag capability Flexible design allows for plumbing and gas connections either at the top or bottom of boiler High quality appliance finish
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