{"id":24851,"date":"2026-08-26T10:05:21","date_gmt":"2026-08-26T17:05:21","guid":{"rendered":"https:\/\/www.appliancepartspros.com\/b\/?p=24851"},"modified":"2026-08-26T10:05:21","modified_gmt":"2026-08-26T17:05:21","slug":"how-to-replace-the-thermistor-in-your-dryer-and-why-it-s-worth-checking-first","status":"publish","type":"post","link":"https:\/\/www.appliancepartspros.com\/b\/how-to-replace-the-thermistor-in-your-dryer-and-why-it-s-worth-checking-first\/","title":{"rendered":"How to Replace the Thermistor in Your Dryer (and Why It&#8217;s Worth Checking First)"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>Your dryer runs for what feels like an eternity, but your clothes come out damp.<\/p>\n","protected":false},"author":16,"featured_media":24852,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"how to replace thermistor in dryer","_yoast_wpseo_title":"How to Replace the Thermistor in Your Dryer (and Why It's Worth Checking First)","_yoast_wpseo_metadesc":"Your dryer runs for what feels like an eternity, but your clothes come out damp.","_aviaLayoutBuilderCleanData":"[av_image src='https:\/\/www.appliancepartspros.com\/b\/wp-content\/uploads\/2026\/08\/hero_bw2587_hero_b098_candB_2026-08-24-1500x630.png' attachment='24852' attachment_size='featured_large' copyright='' caption='' styling='' align='center' font_size='' overlay_opacity='0.4' overlay_color='#000000' overlay_text_color='#ffffff' animation='no-animation' hover='' appearance='' link='' target='' title_attr='' alt_attr='A dryer with its door open in a bright utility room, laundry basket on the floor' lazy_loading='disabled' id='' custom_class='' av_element_hidden_in_editor='0' av_uid='av-sh2587img1' admin_preview_bg=''][\/av_image]\r\n\r\n[av_hr class='default' icon_select='yes' icon='ue808' position='center' shadow='no-shadow' height='50' custom_border='av-border-thin' custom_width='50px' custom_margin_top='30px' custom_margin_bottom='30px' custom_border_color='' custom_icon_color='' av-desktop-hide='' av-medium-hide='' av-small-hide='' av-mini-hide='' id='' custom_class='' av_uid='av-sh2587h0']\r\n\r\n[av_textblock size='' av-medium-font-size='' av-small-font-size='' av-mini-font-size='' font_color='' color='' id='' custom_class='' av_uid='av-sh2587t1' admin_preview_bg='']\r\n<span style=\"font-weight: 400;\">Your dryer runs for what feels like an eternity, but your clothes come out damp. Or maybe the opposite: everything is scorching hot, and your electric bill is climbing. Either way, the dryer clearly has no idea what temperature it\u2019s actually running at. Before you start suspecting the heating element or the control board, there\u2019s a small, inexpensive sensor that deserves your attention first: the thermistor.<\/span>\r\n\r\n<span style=\"font-weight: 400;\">We\u2019ve replaced hundreds of these across brands- Whirlpool, Samsung, LG, Frigidaire, GE, Maytag- and it\u2019s consistently one of the simplest and most satisfying dryer repairs you can do. Twenty minutes, a couple of basic tools, and you\u2019re back in business.<\/span>\r\n\r\n<div style=\"border-left:4px solid #E89805;background:#FFF8EC;padding:9px 14px;margin:14px 0;font-size:14.5px;line-height:1.5;color:#1A1A1A;font-family:system-ui,-apple-system,sans-serif\">\u26a0\ufe0f <b>Smell gas?<\/b> Stop \u2014 get outside, then call your gas utility (or 911) from there. <a href=\"#app-safety-notes\">Full safety notes below<\/a>.<\/div>\r\n<h2><span style=\"font-weight: 400;\">What the Thermistor Does in Your Dryer<\/span><\/h2>\r\n[lwptoc numeration=\"none\"]\r\n\r\n<span style=\"font-weight: 400;\">The thermistor is a temperature-sensing resistor, usually a small oval or cylindrical component mounted inside the blower housing or near the lint filter duct. Its job is to monitor the air temperature inside the drum and report that reading back to the control board.<\/span>\r\n\r\n<span style=\"font-weight: 400;\">Based on the thermistor\u2019s signal, the control board decides when to cycle the heating element on and off. That cycling is what keeps your dryer at the selected temperature setting. Without accurate temperature data, the control board is essentially flying blind; it either overheats or underheats because it doesn\u2019t know what\u2019s actually going on inside the drum.<\/span>\r\n\r\n<span style=\"font-weight: 400;\">This is different from the thermal fuse or the high-limit thermostat. Those are safety devices that cut power if things get dangerously hot. The thermistor is the everyday temperature regulator, the part responsible for consistent, efficient drying on every cycle.<\/span>\r\n<h2><span style=\"font-weight: 400;\">Signs Your Dryer Thermistor Has Failed<\/span><\/h2>\r\n<span style=\"font-weight: 400;\">A bad thermistor doesn\u2019t always announce itself with an error code, though on some newer models it will. Here\u2019s what to watch for:<\/span>\r\n<ul><li><p>Clothes take multiple cycles to dry<\/p><\/li><li><p>The dryer runs extremely hot, sometimes singeing fabrics<\/p><\/li><li><p>Cycle times are inconsistent, short one load, endless the next<\/p><\/li><li><p>The dryer shuts off too early, leaving clothes damp<\/p><\/li><li><p>An error code on the display (common codes include F28 on Whirlpool-made dryers, HE or tS on Samsung models)<\/p><\/li><li><p>The auto-dry cycle doesn\u2019t seem to sense moisture correctly, since the temperature data it relies on is wrong<\/p><\/li><\/ul>\r\n<span style=\"font-weight: 400;\">If your dryer heats but just can\u2019t seem to regulate that heat properly, the thermistor should be at the top of your suspect list.<\/span>\r\n<h2><span style=\"font-weight: 400;\">Tools You\u2019ll Need<\/span><\/h2>\r\n<span style=\"font-weight: 400;\">This is a light-duty repair. Here\u2019s what to gather before you start:<\/span>\r\n<ul><li><p>Phillips-head screwdriver<\/p><\/li><li><p>Quarter-inch nut driver (or a small socket)<\/p><\/li><li><p>Multimeter<\/p><\/li><li><p>Flashlight<\/p><\/li><li><p>Your replacement thermistor<\/p><\/li><\/ul>\r\n<span style=\"font-weight: 400;\">The specific thermistor part number varies by brand and model. When you\u2019re ready to find the right part, grab your model number and <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"https:\/\/www.appliancepartspros.com\/repair-help\/\">head over to our repair help section<\/a> to match the exact thermistor for your dryer.<\/span>\r\n\r\n<span style=\"font-weight: 400;\"><strong>Unplug the dryer before you do anything else.<\/strong> If it\u2019s a gas dryer, safely disconnect the gas supply also.<\/span>\r\n<h2><span style=\"font-weight: 400;\">How to Test the Thermistor<\/span><\/h2>\r\n<span style=\"font-weight: 400;\">Before you order a new part, it\u2019s worth confirming the thermistor is actually the problem. A quick resistance test with a multimeter tells you everything you need to know.<\/span>\r\n<ol><li><p>Unplug the dryer.<\/p><\/li><li><p>Locate the thermistor. On most dryers, it\u2019s mounted inside the blower housing or near the lint filter duct area at the front or rear of the machine. It\u2019s a small sensor with a two-wire connector, hard to miss once you\u2019ve got the right panel off.<\/p><\/li><li><p>Disconnect the wire harness from the thermistor.<\/p><\/li><li><p>Set your multimeter to resistance (ohms).<\/p><\/li><li><p>Touch one probe to each terminal on the thermistor itself.<\/p><\/li><\/ol>\r\n<span style=\"font-weight: 400;\">At room temperature, around 70 to 77 degrees Fahrenheit, a functioning thermistor should read approximately 10,000 ohms (10K ohms). This is a standard NTC (negative temperature coefficient) thermistor, which means its resistance drops as temperature rises.<\/span>\r\n\r\n<span style=\"font-weight: 400;\">If you get a reading that is wildly off, say 0 ohms, open line (infinity), or a number that\u2019s jumping all over the place, the thermistor is bad. Replace it. If the reading looks good but you\u2019re still having temperature issues, the problem may be elsewhere in the circuit, potentially the wiring harness or the control board itself.<\/span>\r\n<h2><span style=\"font-weight: 400;\">Replacing the Thermistor Step by Step<\/span><\/h2>\r\n<span style=\"font-weight: 400;\">Here\u2019s where the specifics depend slightly on your dryer\u2019s layout, but the general process is nearly identical across brands. On most models, plan for about 15 to 20 minutes.<\/span>\r\n<ol><li><p><strong>Unplug the dryer<\/strong> from the wall outlet. Pull it away from the wall enough to work comfortably if needed.<\/p><\/li><li><p><strong>Remove the lint screen<\/strong> and set it aside. On many dryers, the thermistor lives in the blower housing area accessible from the front, near the lint filter slot. On others, you\u2019ll access it from the rear panel.<\/p><\/li><li><p><strong>Remove the appropriate panel.<\/strong> For front-access models (common on Whirlpool, Maytag, and Kenmore), you\u2019ll typically remove two screws at the top of the lint filter housing, then remove the screws securing the front lower panel or the main front panel. For rear-access models (common on Samsung and LG), remove the screws securing the back panel. A Phillips-head screwdriver and a quarter-inch nut driver handle everything.<\/p><\/li><li><p><strong>Locate the thermistor.<\/strong> Look for a small sensor, usually white, black, or gray, with a two-pin wire connector. It\u2019s often held in place by a single screw or a mounting clip. Once you see it, you\u2019ll realize how small and simple this part is.<\/p><\/li><li><p><strong>Disconnect the wire harness.<\/strong> Gently squeeze the locking tab on the connector and pull it straight off. Don\u2019t yank on the wires themselves.<\/p><\/li><li><p><strong>Remove the mounting screw or clip<\/strong> holding the thermistor in place. Keep that screw somewhere safe; a magnetic tray works great.<\/p><\/li><li><p><strong>Install the new thermistor<\/strong> in the same position and orientation. Slide it into the mounting bracket, replace the screw, and reconnect the wire harness until it clicks.<\/p><\/li><li><p><strong>Reassemble the panels<\/strong> in reverse order. Make sure all screws are snug but don\u2019t overtighten; you\u2019re threading into sheet metal on most dryers.<\/p><\/li><li><p><strong>Plug the dryer back in.<\/strong><\/p><\/li><\/ol>\r\n<span style=\"font-weight: 400;\">The trickiest part of this whole job is usually just getting the panels off. If you\u2019ve never taken your dryer apart before, take a photo with your phone before you remove each panel. It makes reassembly much easier.<\/span>\r\n<h2><span style=\"font-weight: 400;\">Testing the Repair<\/span><\/h2>\r\n<span style=\"font-weight: 400;\">Run a short timed cycle on medium heat with a few damp towels inside. After about 10 minutes, open the door and feel the air temperature; it should be warm, not scorching. Let the full cycle finish and check that the clothes come out dry and at a reasonable temperature.<\/span>\r\n\r\n<span style=\"font-weight: 400;\">On dryers with a digital display, any temperature-related error codes should clear themselves after a successful cycle or two. If the code persists, try unplugging the dryer for a minute to reset the control board, then run the cycle again.<\/span>\r\n\r\n<span style=\"font-weight: 400;\">If your dryer has an auto-dry setting, test that too. The auto-dry cycle relies heavily on accurate thermistor readings to determine when clothes are done, so it\u2019s a great way to confirm everything is communicating properly.<\/span>\r\n\r\n<span style=\"font-weight: 400;\">For Samsung-specific thermistor issues, including where to find the part and what resistance values to expect, we\u2019ve got a detailed walkthrough on <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"https:\/\/www.appliancepartspros.com\/b\/how-to-test-and-replace-the-thermistor-on-a-samsung-dryer\/\">how to test and replace the thermistor on a Samsung dryer<\/a> that\u2019s worth checking out.<\/span>\r\n<h2><span style=\"font-weight: 400;\">Need More Help?<\/span><\/h2>\r\n<span style=\"font-weight: 400;\">If you\u2019ve replaced the thermistor and the dryer still isn\u2019t regulating temperature correctly, or if you\u2019re not sure which panel to remove on your specific model, head over to our <a target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"https:\/\/forum.appliancepartspros.com\/\">appliance repair forum<\/a>. Post your model number and symptoms, and our community of techs and experienced DIYers will point you in the right direction. You\u2019ve got this.<\/span>\r\n\r\n<div id=\"app-safety-notes\" style=\"border:1px solid #E6E6E6;border-radius:8px;overflow:hidden;margin:22px 0;font-family:system-ui,-apple-system,sans-serif\"><div style=\"background:#E89805;color:#fff;padding:9px 16px;font-weight:700;font-size:15px\">\ud83d\udd25&nbsp;Gas safety \u2014 before you start<\/div><ul style=\"margin:0;padding:14px 20px 14px 38px;font-size:15px;line-height:1.6;color:#1A1A1A;background:#fff\"><li style=\"margin:6px 0\"><b>Shut off the gas supply<\/b> before you start.<\/li><li style=\"margin:6px 0\">Follow your <b>local codes<\/b>.<\/li><li style=\"margin:6px 0\">Keep a <b>working carbon monoxide detector<\/b> nearby.<\/li><li style=\"margin:6px 0\">A <b>yellow or flickering flame<\/b> means incomplete combustion \u2014 fix it, don't ignore it.<\/li><li style=\"margin:6px 0\">If you smell a <b>strong, persistent gas odor<\/b>: get everyone outside, don't touch any switches or create a spark, and <b>call your gas utility or 911 from outside<\/b>.<\/li><\/ul><\/div>\r\n\r\n<div style=\"border:1px solid #E6E6E6;border-radius:8px;overflow:hidden;margin:22px 0;font-family:system-ui,-apple-system,sans-serif\"><div style=\"background:#1C437C;color:#fff;padding:9px 16px;font-weight:700;font-size:15px\">\u26a1&nbsp;Electrical safety \u2014 before you start<\/div><ul style=\"margin:0;padding:14px 20px 14px 38px;font-size:15px;line-height:1.6;color:#1A1A1A;background:#fff\"><li style=\"margin:6px 0\"><b>Disconnect power<\/b> before you start \u2014 unplug it or switch off the breaker, and <b>confirm it's dead<\/b>.<\/li><li style=\"margin:6px 0\">Follow your <b>local electrical code<\/b>.<\/li><li style=\"margin:6px 0\">Anything involving <b>household wiring, outlets, or the breaker panel<\/b> itself is <b>licensed-electrician territory<\/b>.<\/li><\/ul><\/div>\r\n\r\n<hr \/>\r\n\r\n<span style=\"font-weight: 400;\"><em>Written by: AppliancePartsPros Team<\/em><\/span>\r\n[\/av_textblock]\r\n\r\n[av_hr 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