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XPak Residential Hydronic Heating Boiler - 120,000 BTU/HR RK012686 The XPak wall-hung boilers bring proven technology to the residential market in a seamlessly smooth product only offered by Raypak. • Up to 90.5% thermal efficiency; Infinitely modulating condensing design meets or exceeds Energy Star standards • Factory installed circulator pump with bypass and condensate siphon; Thermostatical

Reznor UDBP-175 Commercial Power Vented High Static Gas Fired Unit Heater, NG, 230/3/60 - Standard Features Certified for commercial/industrial heating applications 82-83% thermal efficient ~ TOP in its class!