Navien NHB-80 Condensing Gas Heating Boiler
Navien NHB-80 Condensing Gas Heating Boiler NHB-80 Super condensing efficiency Dual stainless steel heat exchangers SCH40, 2” PVC venting up to 60’ ½” Gas pipe up to 24’ TDR up to 10:1 integrated controls Navien NHB-80 Condensing Gas Heating Boiler Features Ultra Condensing Efficiency Navien’s Condensing Technology offers the high efficiency. Money and energy […]
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