Question about Water Heaters
There must be a control knob that has high or low on it which you can turn
Posted on Dec 11, 2016
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Posted on Jan 02, 2017
There's a 5/16 nut on the end of the "wire" that leads from the fire side to the gas valve just unthread it. I'd try loosening it a bit and then retightening it first. They often just get corroded and loose the mechanical contact inside.
Posted on Nov 27, 2009
Testimonial: "we just got uner and inside and tapped several conntections Opps just went out again! :("
Probably a bad solenoid in the gas valve. Higher voltage of a new thermocouple keeps it open longer but it still fails over a period of time. Look into a new gas valve for the water heater.
Posted on Dec 17, 2009
If you have the little thermo cut off in the circuit to thermostat, (little resistor inside small plastic tube) try removing it from the circuit. Just pull the wires at each end and attach directly to thermostat where it was before. If it works now, you found the problem, if not, get back to me.
Posted on May 09, 2010
Time to call qualified service technician. And watch what that person does to learn about your water heater.
I assume you have Honeywell Icon gas valve. Honeywell makes different several model numbers.
Here is 'typical' Honeywell Icon gas valve service manual for Bradford White, that may or may not apply to your water heater. It shows testing for Icon and disassembly instructions, and error codes.
Gas water heaters today require yearly service that includes cleaning burner parts and combustion chamber, checking vent and air intake, electrical connections, testing gas valve, checking gas pressure, bleeding air out of gas line, etc. These are things you can learn to do by reading service manual, and making sure you have a spare water heater around to connect real quick if experiment goes wrong.
If Icon gas valve is problem, that control is modular and can be replaced without draining tank.
Posted on Aug 08, 2011
Reliance water heater?
Thermocouple is good if the pilot stays lit continuously.
501 is older model. Unknown if this unit has FVIR protection and sealed combustion chamber or open air intake on front of unit.
With FVIR protection:
Get more fresh air to the unit.
Clean the flame arrestor screen.
Test and replace the thermocouple:
Inspect and clean burner and combustion parts
Test gas pressure, bleed air out of gas line.
Replace gas control valve.
Test draft air by lighting match and see if smoke is pulled into the vent pipe at draft hood on top of tank.
Posted on Aug 20, 2012
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Dec 17, 2010 | Water Heaters
it is important to turn off
the gas supply to the water heater at the manual gas shut-off
valve. This valve is typically located beside the water heater.
Note the position of the shut-off valve in the open/on position
then proceed to turn it off.
2. On the lower front of the water heater locate the combination
gas control valve/thermostat. Depress and hold
the lock tab located under the gas control knob on the right.
Rotate the gas control knob on the combination gas control
valve/thermostat clockwise until "OFF" aligns with the mark on
the front of the gas valve. Once the gas supply has been shutoff,
remove outer door. 3. Using a 1/4" nut driver or socket loosen the two screws securing
the manifold door assembly until they are free. Do not
totally remove the screws and plastic retainer washers from
the manifold door. The screws and retainer washers will be
needed to reattach the manifold door. 4. In this step, the thermocouple, manifold tube, pilot tube and
igniter wire will be disconnected from the combination gas
control valve/thermostat. Using a 7/16" wrench
disconnect the thermocouple (left-hand thread) and pilot tube
(right-hand thread). Using a 3/4" wrench disconnect the manifold
tube (right-hand thread). Carefully pull the igniter wire from
the igniter button.
5. Grasp the manifold tube and push down slightly to free the
manifold tube, pilot tube, and thermocouple from the combination
gas control valve/thermostat. when installation is complete and gas is back on, You should be able to relight the pilot and the functionality of your gas hot water heater should be restored.
Nov 27, 2010 | Reliance Natural Gas Water Heater Control
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