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2012

Adjust thermostat on hot water heater

How to replace thermostat
Gas water heater timers
Scald chart
Lower the thermostat on hot water heater <> save 3-5% operating cost for each 10° lower

Gas

Electric

coleman flashlight
With gas heater,
No candles,
open flame or smoking

Step 1
Locate gas valve

Do not turn off gas

Large dial is only thing  that will be changed
coleman flashlight Step 1: Electric

Find Flat & phillips screwdrivers
+ Flashlight

Never touch wet water heater, or water that was wet

For safety, turn off 30 Amp circuit breaker
Step 2: gas

Rotate large dial to change thermostat

Line up dial with notch at top

Newer gas valves rotate opposite direction see
water heater thermostats Step 2: Electric

Remove covers (save screws)
Pull out insulation

<>Top thermostat is larger

<>Bottom thermostat is smaller

Don't touch or move wires

 Insulation & cover must be put back when finished or thermostat will not read correct temp


Calibrate Gas control valve:
Calibration on Gas valve may not be correct.
Setting at HOT might cause higher or lower temperatures.
All settings are approximate.
If calibration is far off, then rotate dial so temp at faucet is good.
If temperatures fluctuate, then gas control is bad or you might have stacking or crossover
Troubleshoot gas water heater

120° is good for most homes
water heater thermostats
Test upper thermostat
Adjust temperature using screwdriver
How to replace thermostat
Step 3: Electric

Use flat tip screwdriver to set top and bottom thermostats to 120°
this temperature is good for most homes

For homes that use more hot water, set top thermostat 5-10° higher.

All water heater thermostat settings are approximate > test result at faucet with thermometer

Wire thermostat
Troubleshoot thermostat
Replace thermostat
Vacation <> this means pilot light is ON and tank is heated to about 50° to prevent freezing

Use this setting to save money when hot water is not needed

Gas water heater timers
electric water heater in basement Step 4: Finish electric

Put covers on <> make sure insulation is put back or cool air will cause thermostat to misread temp <> put metal covers on <> pick up tools <> turn on circuit breaker

Inspect for water on floor or leaking pipes Troubleshoot leak

Hot water can scald and burn a child
safety chart
water heater thermostat Use cooking thermometer to check temperature at each faucet.
If one faucet is not receiving same temperature, pipes may be clogged, or faucet cartridge is bad
Crossover
Low hot water pressure
Compare thermometer reading with thermostat setting on water heater to roughly estimate efficiency of water heater

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State electric water heater Manuals
State thermostat

If 120° leaves you short of hot water, the tank could have sediment build-up
How to flush water heater
gas valve setting
Service manual
Hot water can scald and burn a child
safety chart

If you smell gas, leave hose immediately and call the gas company

Avoid CO hazard
Read about CO hazard 1 2


See old and new gas valves

Gas control valve replacement pdf

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Reliance: thrmostat

Reliance water heaters
How to install point-of-use water heater
White Rogers thermostat

Troubleshooting/ pdf
Service manual for power vent model
Troubleshoot gas water heater
Whirlpool self diagnostic control      
Whirlpool and Craftmaster Energy Smart

Choose 4 different energy settings plus adjust temperature using selector.

Adjust thermostat from 80° to 150°

Typical gas control thermostats

Atwood gas valve has lever

Typical gas controls
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Gas control thermostat
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White Rodgers gas control valve replacement pdf
ECO wires/ thermocouple/ manifold tube/ pilot tube/ piezo igniter

More water heater thermostats

See larger image
Error codes and adjust temp on Intelli-vent gas valve
Intellivent service manual
Interllivent FVIR troubleshoot and reset
Sample manual
Icon gas valve
Adjust temp on Honeywell gas valve
Icon gas valve error codes
Full service manual

Bradford White Service manual
Bradford White service manual 2
More Bradford White service manuals
How to clean burner
How to replace Honeywell gas control
How to light Honeywell gas control
Whirlpool Gas control valve
Honeywell/Whirlpool gas control valve thermostat settings, error codes

Energy Smart Manual
Manuals at Whirlpool

Troubleshoot gas water heater
Honeywell gas valve
Adjust temperature/ error codes on Honeywell
Range 90° to 156°
Hot is 120° F // Very Hot 156°
ECO limit 199° F
How to light honeywell gas control valve
Dampered Fury gas troubleshooting codes
Error codes
Error codes2
Service manual
Kenmore gas valve
Kenmore gas valve
Honeywell Icon gas valve
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Temperature settings and error codes
Icon gas valve error codes
Full service manual

Review Kenmore Energy-star water heater
Honeywell Smart Valve AO Smith
Honeywell Smart Valve
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Temperature settings and features
Smart valve error codes
Smart Valve service manual
Service manual

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Instructions
Water heater manual page 20-23
Adjust temperature rheem tankless
Support waterheatertimer.org and buy the pdf: How to change temperature on Rheem tankless using dip switches $4
Bosch ariston thermostat
Bosch Ariston under-counter water heater thermostat
How to install and wire undercounter water heater
Ariston manual with part numbers
Geo spring control panel
GE Geo Spring hybrid manual
Review GE heat pump water heater

Kenmore with power anode rod
Review Kenmore

Whirlpool energy smart electric/ Smart Grid
Ruud heat pump water heater

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State hybrid electric manual

How to install tank-type gas water heater
How to troubleshoot Rheem tankless

How to troubleshoot Bosch tankless

Troubleshoot electric water heater

Troubleshoot gas water heater



How to troubleshoot electric water heater
How to replace element and clean out tank
How to remove rusted element
Water heater will not drain
Stacking
copper pipe
  
How to wire water heater thermostats

How to replace water heater thermostats

How water heater thermostats work

How electric water heater works
TP valve           

Water leak around bottom of tank <> even minor leak <> means water heater needs service
Do it yourself
Do it yourself water heater repairs/info

Maintain efficiency
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Intermatic GM series


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