How to light gas water heater
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Gas water heater ECO

Gas valves
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Back to 10 things for troubleshooting water heater
6) Gas water heater thermostats are usually single-use after ECO trips.
Exception, some intellivent-style power-vent thermostats can be reset using button sequence.
-ECO Energy Cut Off is located inside the thermostat probe that extends into the tank to measure water temperature. When ECO senses overheating inside tank, the ECO trips and shuts off gas control.
-If ECO is tripped, or other malfunction, Gas valve must be replaced.
-ECO must have continuity so small current (derived from thermocouple or thermopile when heated by pilot light) can travel from thermostat through the ECO and back again to thermostat, completing the electric circuit, and signaling to gas control to function normally.
-If water heater burner or pilot light has gas, if pilot or burner flutters and goes out, then ECO is not tripped: Gas thermostat might still be bad, but FV system or related maintenance is first suspect.
-Do not install cold water line above gas valve where condensation drips on valve. 
Thermostat calibration means tank temperature matchs thermostat setting. All setting are approximate and vary widely. Adjust temperature, replace gas control if temperature setting is unreliable.
Resources
Pilot outage troubleshoot
Test ECO on Robertshaw- White Rodgers
ECO on Robershaw,White Rodgers, Honeywell pg 17
Read about resetting intellivent
How to adjust thermostat temperature
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Back to 10 things for troubleshooting water heater
Icon gas valve
How to light water heater
How to light water heater/ pdf

For atmospheric vent models
Range Low 55 - very hot 160
Average bath 110F, typical water heater temp 120
ECO limit 199 F, ECO trips, gas valve fails
TP release water  at 170
All calibrations are approximate
Severe scalding risk over 135
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Reliance/ Honeywell gas control
American / Honeywell gas control
Kenmore water heater gas valve
Craftmaster/ Whirlpool
Bradford White
AO Smith

Honeywell gas control at Amazon
American / Honeywell gas control at Amazon
Honeywell gas valve for propane
Honeywell natural gas valve
Reliance NG at Amazon
Reliance LP at Amazon
Kenmore water heater gas valve
Gas water heater timer fits this valve
Replacement instructions
How to test & replace Honeywell gas control valve
How to replace Honeywell gas control valve

Resources:
Adjust temp on Honeywell gas valve
Error codes
Error codes
To reset gas control, rotate dial to OFF, wait 10 minutes for gas to clear. Then relight.
State Error code/ troubleshoot/ service manual/ FVIR
Bradford White service manual
Error light blinking 4 times
How to light water heater
How to light water heater/ pdf
How to light Whirlpool energy smart

How to replace gas control valves
How to test gas control valve

How to install gas water heater

How to light Honeywell gas valve
For power vent models
Range Low 90 - very hot 160
Average bath 110F, typical water heater temp 120
ECO limit 199 F, ECO trips, gas valve fails
Average bath 110F
ECO limit 199 F
TP release water  at 170
Buy
Example Honeywell gas control valve at Amazon
Reliance NG at Amazon
Replacement instructions
How to replace water heater gas valve

Resources:
Adjust temperature/ error codes on Honeywell
How to light Honeywell gas valve
Dampered Fury gas troubleshooting codes
Induced draft troubleshoot codes
Error codes, troubleshoot for gas valve
Error codes
Error codes2
Error codes
Icon gas valve error codes
Service manual
Bradford White service manual 2
Test gas control/ from BW service manual
Sequence of operation
How to clean burner

Safety
Water heater safety precautions
Water heater precautions/ pdf
Gas-water-heater-Safety-Precautions
Gas valve safety
Thermal expansion
Insulation blanket


How to light water heater

For power vent models
Range Low 80 to Hot 150
Error C flashes at 160
Buy
Buy Intellivent gas control at Amazon
White Rodgers/ Rheem Intellivent gas control
AO Smith intellivent
AO Smith Intellivent at Amazon
AO Smith White Rodgers at Amazon

Replacement instructions
How to replace water heater gas valve

Resources:
AO Smith Intellivent troubleshoot and FVIR test/ pdf
Error codes and adjust temp on Intelli-vent gas valve
How to light water heater
Troubleshoot Intellivent/ pdf
FVIR intellivent troubleshoot .pdf
Intellivent service manual
Intellivent FVIR troubleshoot and reset
Sample manual
Intellivent wiring
Power direct vent troubleshoot
Sequence of operation
Intellivent error codes-troubleshoot
Promax gas water heater manual
For resetting controller: After the unit has been off for at least a minute, plug it in, turn on the switch; within a few seconds, depress both arrow buttons on the controller, and hold them until the left light begins to blink.  Release them, and within a few seconds, push those arrow buttons in the following sequence:  L/R/L/L/R/L/R/R.  This should reset the controller.
White Rogers thermostat
How to light gas water heater

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Camco White Rodgers at Amazon

Resources:
Troubleshooting/ pdf
How to light gas water heater
How to replace water heater gas valve


Remove gas valve
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gas valve setting
How to light water heater/pdf

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Gas control valve thermostats at Amazon
Gas water heater thermostats at Amazon
Rheem gas control valve at Amazon
Gas control valve at Amazon
Camco White Rodgers at Amazon
Gas water heater timer fits this valve
Replacement instructions
How to replace water heater gas valve
Resources:
Service manual
Service manual 2
Service manual 3
Operation and safety
How to light water heater/pdf
General troubleshoot manual /pdf
White Rodgers gas control valve replacement pdf
Power vent water heater issues
Magnet testing
Test thermocouple
Gas valve testing
How to light gas water heater
White Rodgers NG replace, install, set temp
Honeywell Smart Valve AO Smith
Honeywell Smart Valve
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Resources:
Temperature settings and features
Smart valve error codes
Service manual
Install smart valve & troubleshoot
Robertshaw Natural gas control valve
Robertshaw Natural gas
How to light water heater/pdf

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Robert Shaw natural gas
RS Natural gas at Amazon
Camco RS at Amazon
Gas water heater timer fits this valve


How to light gas water heater
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Gas water heater thermostats at Amazon
Robert Shaw natural gas
Robert Shaw propane gas
Replacement instructions
How to replace water heater gas valve

Resources:
Robert Shaw models
Robert Shaw/ Unitrol troubleshooting/ pdf
General troubleshoot/ pdf
General troubleshoot manual /pdf
How to light water heater/pdf
Magnet testing
Test thermocouple
Gas valve testing
Operation and safety
Recalibrate gas control/ pdf
How to light gas water heater
Adjust pilot on unitrol gas control valve
How to test White Rodgers gas valve p14
How to test Honeywell Icon gas valve p23
How to test Robertshaw gas valve p14
Atwood gas control valve
Atwood gas control valve
Fits all Atwood water heater that have a pilot light

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Atwood gas control valve at Amazon
Atwood parts at Amazon
Atwood water heaters and parts at Amazon
Resource:
How to replace gas control valve thermostat
Atwood water heater troubleshoot resources
Suburban water heater service manual

Honeywell L4006 water heater controller
Honeywell immersion thermostat
12-277 volt AC SPST controller
12-48 volt DC
Add to any hot water tank
Surface mount or immersion into tank
Temperature range: 100-180F
Water over 135 poses extreme danger of scalding.
Add mixing valve.

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Honeywell/ Rheem SP11798B
Honeywell L4006
Line Voltage Mechanical Thermostats

Resources:
Add another thermostat to gas or electric water heater
Advantages-disadvantages mixing valve
Control recirculation pump using controller
L4006 manual
L4006 wiring illustration
Honeywell L8104 water heater controller

SIT gas control valve for water heater
SIT gas control valve for water heater
How to light and set temperature SIT gas control


Kenmore with power anode rod
How to light Effex water heater
Effex service manual

Suburban water heater service manual

Whirlpool energy smart gas water heater manual

Robert shaw gas control valve
How to light water heater
Robert Shaw 120Volt input gas control valve
For power vented water heaters
Wiper Control and Gas Valve assembly
Triangle pointed upward is 120 degrees F
Replacement for Rheem power vent/ Buy
Rheem wiper SP20123A thermostat KIT
Wiper SP20123B valve/ no thermostat


Resources
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Error Codes and troubleshoot
Guardian power vent Robert Shaw error code
Check the blower motor, gas control etc
Rheem parts list
American power flex parts
General manual with lighting instructions
Replace water heater gas control and FV
Check pressure switch, blower, gas control
Sequence of operation
How to light water heater
To reset: turn the red control knob on and off 6 times within 30 seconds to reset the board.


Make sure gas is ON Check that water heater matches type of water heater Natural gas NG and propane gas LP are different Check label on side of tank for type of gas.

How to install gas water heater
Water heater safety precautions
Power ventblower Blower
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Resources:
Power vents:
Power vent water heater issues
Anode covered by power vent

Blower troubleshoot
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Troubleshoot hot surface ignition
How to check blower motor
Check blower motor

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Test pressure switch
Air pressure switch testing
Intellivent wiring
Pressure switch replacement
Check pressure switch
 Igniter
How to test piezo igniter
How to check the igniter
Electronic spark troubleshoot
Troubleshoot hot surface ignition
Hot surface igniter troubleshoot
Power vent hot surface ignition



Gas valves
How to set temperature on gas valves
How to maintain water heater




Dusty environments Trace chemicalsAvoid dusty environment that will clog air intake, cause unburned fuel, and create fire hazard
-Do not install cold water line above gas valve where condensation drips on valve.  
-Annually clean burner area with wire brush and vacuum cleaner. read1 read2
Troubleshoot and clean gas water heater

Remove chemicals from same room as water heater.
-Chemicals corrode water heater parts and vent pipe. 'Spray propellants, cleaning solvents, refrigerants, swimming pool chemicals, calcium and sodium chloride, household bleach, waxes and process chemicals are corrosive at very low levels with no odor." Read Bradford White Pdf pg2-8    Read Rheem pdf
Outlet polarity
If gas valve is connected to electricity, the outlet polarity must be correct
Water heater must be grounded. Poor ground can prevent flame. GFCI circuit can cause short cycling. If outlet is not dedicated or has GFI, other loads such as florescent lighting can cause short cycling.

Unplug cord. Test for continuity between ground prong on plug and manifold tube on gas valve.
Connect water heater to different outlet. Test outlet with circuit analyzer
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