WebDec 18, 2024 · The high limit switch is there to protect against the type of heat damage you describe, along with fire. I'm amazed that metal melted without burning down your house. And yes, CO can build up due to a clogged heat exchanger, which is probably what tripped the limit switch to begin with. ... furnace high limit switch measure 74-96 ohm, is it bad ... WebNov 18, 2024 · To clean the high limit switch sensor, follow these directions: Shut off power to the furnace and remove the access panel. Locate the high limit switch. It is usually found screwed into the plenum somewhere above the burners. Remove the high limit switch from the plenum by unscrewing it and taking out the wire connectors.
Rheem Furnace Fan Limit Switch Replacement #47 …
WebThe main high limit control may be open due to low air flow or a over fired heat exchanger. The manual reset rollout switch located above the burner may be tripped. Check for … WebSep 29, 2024 · High temperature limit switch allows burner operation between a specific temperature range (photo shows a 160°F high limit and 130°F low limit operating range). Home-Cost Identifying the Limit Switch … sluggo furniture poplar bluff mo
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WebNov 17, 2024 · It’s a simple process if you know how to remove the furnace limit switch. Locate the limit switch and unscrew the switch plate. Then remove the malfunctioning limit switch and install the matching replacement. The switches cost between $4 and $25, while professional replacement costs start at $65. WebNov 19, 2014 · Rheem Furnace Safety Limit Switch Replacement #47-25349-01 RepairClinic.com 475K subscribers Subscribe 93 Share 37K views 8 years ago Rheem Furnace This video provides step-by-step... WebIf the high limit switch was bad, the furnace should not fire. When the high limit switch trips, the flame/heating element will be shut off and the blower will continue to run to clear the heat. The blower will continue to run until either the … sokhey samrath