Description: The K2 Firetube Boiler features a stainless steel vertical firetube heat exchanger and is available in six sizes ranging 85-270 MBtuh. A combi version is also available (155 MBtuh). All models can be wall-hung and feature 5:1 modulation. The product features an ergonomically-angled touchscreen display, which interfaces with the Sage2.2™ boiler control system and wireless outdoor rest. Additional features include a three-in-one vent connection, top or bottom supply/return/gas connections, a split-voltage junction box with fused connection boards, and a full-height side access panel. The unit comes with a free three-year parts and limited labor warranty upon registration within 90 days of installation.

Contact: 888-432-8887; www.usboiler.net

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