A.O. Smith GCVX-50 (LP) Service Manual

1Instruction ManualPRINTED IN THE U.S.A 0905 PART NO. 184165-003KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCEWHENEVER MAINTENANCE

10WATER PIPINGHOTTER WATER CAN SCALD:Water heaters are intended to produce hot water. Water heated to atemperature which will satisfy space heatin

11Figure 9 shows the typical attachment of the water piping to the waterheater. The water heater is equipped with 3/4 inch NPT waterconnections.NOTE:

12FIGURE 10.FILLING THE WATER HEATERNever use this water heater unless it is completely full of water. To preventdamage to the tank, the tank must be

13There must be a minimum of 6 inches (153 mm) clearance betweensingle wall vent pipe and any combustible material. Fill and seal anyclearance betwee

14Use pipe joint compound or teflon tape marked as being resistant to theaction of petroleum [Propane (L.P.)] gases.The appliance and its gas connecti

15FOR YOUR SAFETY READ BEFORE LIGHTINGWARNING: If you do not follow these instructions exactly, a fire orexplosion may result causing property damage,

16FOR YFOR YFOR YFOR YFOR YOUR INFORMAOUR INFORMAOUR INFORMAOUR INFORMAOUR INFORMATIONTIONTIONTIONTIONSTART UP CONDITIONSDRAFT HOOD OPERATIONCheck dra

17Because of the suddenness and amount of water, condensation watermay be diagnosed as a “tank leak”. After the water in the tank warms up(about 1-2

18VENTING SYSTEM INSPECTIONAt least once a year a visual inspection should be made of the ventingsystem. You should look for:1. Obstructions which co

19INSTALLED IN SUITABLE AREA: To insure sufficient ventilation andcombustion air supply, proper clearances from the water heater mustbe maintained. S

2SAFE INSTSAFE INSTSAFE INSTSAFE INSTSAFE INSTALLAALLAALLAALLAALLATIONTIONTIONTIONTION, USE AND SERVICE, USE AND SERVICE, USE AND SERVICE, USE AND SER

20LEAKAGE CHECKPOINTSLEAKAGE CHECKPOINTSLEAKAGE CHECKPOINTSLEAKAGE CHECKPOINTSLEAKAGE CHECKPOINTSRead this manual first. Then before checking the wat

21REPREPREPREPREPAIR PAIR PAIR PAIR PAIR PARTS LISTARTS LISTARTS LISTARTS LISTARTS LIST Key No. Part Description1 Burner Assembly2 Burner Head3 Bu

22These guidelines should be utilized by a qualified service agent. When calling for service notify the service agentthat this is a “Flammable Vapor I

23NOTES:NOTES:NOTES:NOTES:NOTES:

24®

3GENERAL SAFETYGENERAL SAFETYGENERAL SAFETYGENERAL SAFETYGENERAL SAFETY

4SAFE INSTALLATION, USE AND SERVICE ... 2GENERAL SAFETY ...

5TYPICAL INSTTYPICAL INSTTYPICAL INSTTYPICAL INSTTYPICAL INSTALLAALLAALLAALLAALLATIONTIONTIONTIONTIONGET TO KNOW YOUR WATER HEATER - GAS MODELSA Vent

6TYPICAL INSTTYPICAL INSTTYPICAL INSTTYPICAL INSTTYPICAL INSTALLAALLAALLAALLAALLATIONTIONTIONTIONTIONFIGURE 2. MIXING VALVE USAGEThis applianc

7FACTS TO CONSIDER ABOUT THE LOCATIONCarefully choose an indoor location for the new water heater, becausethe placement is a very important considerat

8FIGURE 3.A gas water heater cannot operate properly without the correct amountof air for combustion. Do not install in a confined area such as a clo

9unconfined space. The total input of all gas utilization equipment installedin the combined space shall be considered in making this determination.E