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1. | A O Smith Water Heater BTP 650A ManualCONSERVATIONIST COMMERCIAL GAS DIRECT VENT TANK-TYPE WATER HEATERS BTP-540A, BTPV-540A, BTP-650A, BTPV-650A, BTP-740A, BTPV-740A STANDARD FEATURES Low NOx Certified Meets ASHRAE/IES 90.1-1999 thermal efficiency and standby loss requirements. Meets SCAQMD Low NOx requirements. Professional Start-Up is provided. BTP ATMOSPHERIC CONVENTIONAL (Vertical Venting) -- A barometric draft regulating damper is provided. BTPV HORIZONTAL AND DIRECT VENT -- Optional vent kits allow for sidewall ventin... Brands:A | User Manual | ENGLISH | [View] | ||||||||||
2. | A O Smith Water Heater BTPV 650A ManualCONSERVATIONIST COMMERCIAL GAS DIRECT VENT TANK-TYPE WATER HEATERS BTP-540A, BTPV-540A, BTP-650A, BTPV-650A, BTP-740A, BTPV-740A STANDARD FEATURES Low NOx Certified Meets ASHRAE/IES 90.1-1999 thermal efficiency and standby loss requirements. Meets SCAQMD Low NOx requirements. Professional Start-Up is provided. BTP ATMOSPHERIC CONVENTIONAL (Vertical Venting) -- A barometric draft regulating damper is provided. BTPV HORIZONTAL AND DIRECT VENT -- Optional vent kits allow for sidewall ventin... Brands:A | User Manual | ENGLISH | [View] | ||||||||||