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

THIS SERVICE HANDBOOK IS FOR USE BY QUALIFIED SERVICE PROFESSIONALS ONLY.LOW LEADCONTENTService HandbookResidential FVIRGas Water HeatersMODELS:GCV, G

10 • Residential Standard Gas Water Heater Service HandbookPILOT/FLASH CODES7. Wait 10 minutes and try to light the Pilot according to the instructio

Residential Standard Gas Water Heater Service Handbook • 11SYSTEM CHECKSSYSTEM CHECKSExplosion RiskWARNING! Before performing any test, check the are

12 • Residential Standard Gas Water Service HandbookSYSTEM CHECKSTable 3. Gas PressuresIF . . .. . . THEN...the supply gas pressure is lower than r

Residential Standard Gas Water Heater Service Handbook • 13COMMON ISSUESFire and Explosion HazardWARNING! Do not attempt to light the water heater if

14 • Residential Standard Gas Water Service HandbookCOMMON ISSUESand early spring months. Even when the water heater is working properly, it may tak

Residential Standard Gas Water Heater Service Handbook • 15COMMON ISSUESTank Leak CondensaƟ onIf you see small puddles of water in the drain pan or he

16 • Residential Standard Gas Water Service HandbookCOMMON ISSUESTemperature Too HighScalding RiskA water heater can make water hot enough to cause s

Residential Standard Gas Water Heater Service Handbook • 17SERVICE PROCEDURESSERVICE PROCEDURES Removing the Manifold/Burner Assembly1. Turn the gas

18 • Residential Standard Gas Water Heater Service HandbookSERVICE PROCEDURESB. Installing the New Pilot/Thermopile Assembly1. Read this step careful

Residential Standard Gas Water Heater Service Handbook • 19SERVICE PROCEDURES3. Reassemble following the procedure under “Replacing the Manifold/Burne

2 • Residential Standard Gas Water Heater Service HandbookBASICS 2 • Residential Standard Gas Water Heater Service HandbookBASICS 2 • Residential Sta

20 • Residential Standard Gas Water Heater Service HandbookSERVICE PROCEDURESpart on the pilot or pilot assembly. If no spark is visible, check the

Residential Standard Gas Water Heater Service Handbook • 21SUPPLEMENTS EVALUATING COMBUSTION AND VENTILATION AIR SUPPLYWARNING! Gas water heaters requ

22 • Residential Standard Gas Water Heater Service HandbookSUPPLEMENTSroom to get a better estimate of the air available.Room Volume – Object Volume

Residential Standard Gas Water Heater Service Handbook • 23SUPPLEMENTSTable 5. Minimum Free Area of Permanent Openings for VenƟ laƟ on and CombusƟ

24 • Residential Standard Gas Water Heater Service HandbookSUPPLEMENTSElevated Air Temperature:In some areas, attics can reach in excess of 160°F. S

Residential Standard Gas Water Heater Service Handbook • 25SUPPLEMENTS• The venting system must be installed according to the water heater’s installa

26 • Residential Standard Gas Water Heater Service HandbookSUPPLEMENTSair openings). See “Pilot Outage: Insufficient Makeup Air” and “Pilot Outage:

Residential Standard Gas Water Heater Service Handbook • 27SUPPLEMENTSTypes of Vent Pipe Covered in this SecƟ on• Single Wall - Galvanized Steel• Dou

28 • Residential Standard Gas Water Heater Service HandbookSUPPLEMENTS• When transition to a larger vent size is required, the vent transition connec

Residential Standard Gas Water Heater Service Handbook • 29NOTESNOTES

Residential Standard Gas Water Heater Service Handbook • 3BASICSResidential Standard Gas Water Heater Service Handbook • 3BASICSResidential Standard G

30 • Residential Standard Gas Water Heater Service Handbook NOTESNOTES

Residential Standard Gas Water Heater Service Handbook • 31NOTESNOTES

COPYRIGHT © 2014 A.O. SMITH CORPORATION. ALL RIGHTS RESERVED.ALL TECHNICAL AND WARRANTY QUESTIONS SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM T

4 • Residential Standard Gas Water Heater Service HandbookBASICS 4 • Residential Standard Gas Water Heater Service HandbookBASICSGENERAL SAFETYYour s

Residential Standard Gas Water Heater Service Handbook • 5BASICSResidential Standard Gas Water Heater Service Handbook • 5BASICSFire or Explosion Harz

6 • Residential Standard Gas Water Heater Service HandbookBASICS 6 • Residential Standard Gas Water Heater Service HandbookBASICSCOMPLETED INSTALLATI

Residential Standard Gas Water Heater Service Handbook • 7BASICSHoneywell® Gas Control Valve/ThermostatWater heaters covered by this handbook are equi

8 • Residential Standard Gas Water Heater Service HandbookBASICSScalding RiskA water heater can make water hot enough to cause severe burns instantly

Residential Standard Gas Water Heater Service Handbook • 9PILOT/FLASH CODES LIGHTING THE PILOT / DIAGNOSTIC FLASH CODESLighƟ ng the Pilot: 1. Read an