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1. | A O Smith Water Heater HYB 90N ManualInstallation and Operating Manual HYBRID GAS WATER HEATERS POWER VENT GAS MODELS www.hotwater.com CSA 4.3b-2008 ANSI Z21.10.3b-2008 AN ODORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER. ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED. KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED. PRINTED IN U.S.A. 0610 316888-000 Rev. 00 For Your ... Brands:A | User Manual | ENGLISH | [View] | ||||||||||