Description: The MACH condensing commercial boiler fefatures 10:1 turndown capability. By limiting turndown to 5:1, Patterson-Kelley can maintain the dewpoint as high as possible, which allows for greater condensation. The boilers feature a fully independent cast aluminum heat exchanger, resulting in increased heat transfer surface for higher efficiency. The aluminum heat engine easily sheds condensate thanks to an aluminum oxide barrier that forms during use for extreme corrosion resistance.

Contact: 877-728-5351; www.harscopk.com

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