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1. | A O Smith Water Heater GVCA 40 103 ManualRESIDENTIAL GAS SERVICE PARTS LIST MODELS: GVCA- 30 100, GVCA-30 101, GVCA-40 100, GVCA-40 102, GVCA-40 103, & ACVT-50 100 A.O. Smith Water Heater Parts Fulfillment 125 Southeast Parkway Franklin, TN 37068 www.hotwater.com 1-800-433-2545 Note: With the exception of the burner orifice, high altitude models use the same components as standard models. A.O. Smith Water Heater Parts Fulfillment phone: 1-800-433-2545 www.hotwater.com PRINTED IN THE U.S.A. 0308 186550-001 ... Brands:A | User Manual | ENGLISH | [View] | ||||||||||