279834 Gas Valve Solenoid Coil Kit — Fix a Gas Dryer That Won't Heat
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Understanding the Problem
What 279834 is and why it matters: The 279834 kit contains the solenoid coils that operate the gas valve on many Whirlpool/Maytag/Frigidaire/Kenmore gas dryers. When these coils fail the valve won't open and the burner won't light even though the motor and igniter may run. Below are practical diagnostic and repair steps you can follow. 1) Confirm the symptom: Run the dryer on a timed or heated cycle and observe. Typical clues a coil problem is present: - Motor and drum run but no flame. - You hear a rapid clicking at the gas valve when the dryer should be igniting (or you hear nothing at the valve). - Igniter glows (on many models) but the burner never lights. 2) Basic checks before replacing coils: - Verify gas supply: make sure the gas supply valve to the dryer is ON and other gas appliances work. - Check common parts: ensure the igniter, high-limit thermostat, thermal fuse, flame sensor/thermistor and cycling thermostat are intact (a burned thermal fuse or open igniter will also prevent heat). Use continuity checks on those parts. - Visually inspect the gas valve coils for burnt plastic, melting, discoloration or loose wiring. 3) Test the coils with a multimeter: - Unplug dryer and turn off gas supply. - Access the coils on the gas valve (front panel/top removed depending on model). - Disconnect coil connectors and measure resistance/continuity across each coil. A coil with infinite resistance (open) or clearly different reading from the other(s) is bad. Note: values vary by model; you are checking for continuity and relative similarity between coils. 4) Replace the coils (general step-by-step): - Tools: nut drivers/screwdrivers, multimeter, needle-nose pliers, putty knife (for top removal), soapy water/leak detector if you disturb gas fittings. - Safety: unplug the dryer and turn OFF the gas supply at the shutoff valve. Work in a ventilated area. - Remove access: on most Whirlpool-style dryers remove the lint screen, then top panel (release clips with a putty knife) or remove front panel by taking off screws at the front and disconnecting door switch harness if necessary. - Locate the gas valve on the burner housing (usually behind the drum, near the blower). The coils are stacked on the valve body, often secured by a spring clip or retainer. - Note wiring positions or take a photo. Disconnect the coil wire harness connectors. - Remove the retainer clip and slide off the old coils and plunger assemblies (some kits include new plungers and springs—replace if provided). - Install new coils from the 279834 kit in the exact orientation, reinstall the retainer clip, and reconnect wiring. - Reassemble the dryer panels. Turn the gas back on. If you had to disconnect the gas line (rare for coil replacement), check all fittings with soapy water or a gas leak detector before powering and using the dryer. - Plug dryer back in and run a test cycle. You should see the igniter glow then the burner light. If it still won’t light, re-check wiring, thermostats, and igniter functionality. 5) Final checks and testing: - Listen for the gas valve click and watch for flame. If ignition occurs, run the dryer for a few minutes and confirm consistent flame. - If intermittent heating remains, the valve body (mechanical valve) itself or thermostatic controls may be failing and need further diagnosis. Safety note: Always turn off power and gas before working. If you are not comfortable working around gas fittings or diagnosing ignition systems, hire a qualified appliance or gas technician.
Common Symptoms
Dryer tumbles but does not heat; igniter glows but burner never lights; clicking at gas valve; intermittent or weak flame.
Common Causes
- Failed/open gas valve solenoid coil(s) that won't pull the valve plunger
- Burned or open igniter, thermal fuse, or safety thermostat (secondary causes that mimic coil failure)
- Stuck or mechanically failed gas valve plunger or carbon/debris inside the valve
Popular Parts That Fix This Problem
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Helpful Repair Tip
Before replacing, measure coil continuity with a multimeter; an open coil (infinite ohms) or a coil reading drastically different from the others means the coil kit needs replacement. Also swap identical coil connectors (when possible) to see if the problem follows the coil.
Frequently Asked Questions
Can I replace just one failed coil or do I have to replace the whole kit?
Replace the entire coil kit. Coils are sold as a matched set and often wear together; installing the full kit ensures consistent operation and avoids repeating the repair. Many kits also include replacement plungers/springs which should be installed at the same time.
Is it safe for a homeowner to replace the 279834 coils?
Yes — replacing coils is a common homeowner repair if you are comfortable with basic electrical tools. Important: always unplug the dryer and shut off the gas supply before starting. You usually don't have to disconnect the gas line to change the coils, but if you do or if you disturb fittings, check for leaks with soapy water and follow local gas-safety rules. If you're uncomfortable working near gas or the dryer still won't ignite after replacement, call a licensed technician.
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