AMP condensing, water-tube boilers by Thermal Solutions are AHRI-certified at 97% efficiency and offer 10:1 turndown. The boilers are compact and uniquely serviceable, providing complete access to the burner and combustion chamber, the company notes. AMP’s large diameter are ideal for variable -and full-flow system designs, the company says. Available in 400 to 4,000 MBH.

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