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Carrier 338085-758 Limit Switch L210°F-20°F

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Special Price $80.00 Regular Price $98.36
In stock
SKU
338085-758
The Carrier 338085-758 Safety is an essential protective piece of equipment called a limit switch, intended for Carrier HVAC equipment with a compressor. This switch is as small as a matchbox with dimensions of 2”, 1.5”, and 1”, yet it has a essentialfunction of preventing your system from overheating. This preset functions to switch an electrical circuit ‘on’ or ‘off’ depending on the temperature usually measured between -20°F and 210°F. If the compressor temperature goes high, the switch turns off the compressor to avoid any harm due to heat.
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HVAC Controls & Electrical, Safety & Limit Devices
Manufacturer:
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Specifications

  • Temperature Range: L210°F - 20°F
  • Type: Limit Switch
  • Weight: 0.07lbs
  • Length: 2 "
  • Width: 1.5 "
  • Height: 1 "
Manufacturer Name: Carrier
Product Number: 338085-758
OEM Part Number: 338085-758
Product Description: L210-20F Limit Switch
Weight:0.07lbs/31.75g

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Product Questions (2)
Customer Questions
What maintenance is required for the Carrier 338085-758 Limit Switch?

Carrier limit switch maintenance, it's an electrical safety switch; maintenance includes inspecting contacts for wear, ensuring clean terminals, checking secure mounting and wiring, and verifying calibration. Preventive care avoids overheating faults and ensures safe furnace operation.

What are common issues with the Carrier 338085-758 Limit Switch?

  • Contact burnout or pitting causing intermittent cutoff.
  • Miscalibration leading to early or late shutdown.
  • Wiring looseness causing open circuit faults.
  • Mechanical fatigue from repeated cycling.
  • Overheating sensor failure or a sticking mechanism.

Installation Steps

Step 1: Turn off power at breaker and confirm unit is completely cool.

Step 2: Remove access panel and locate existing old limit switch on heat exchanger housing.

Step 3: Disconnect wiring carefully, labeling terminals if needed.

Step 4: Align new switch and mount the in same orientation and bracket.

Step 5: Reconnect wiring securely and ensure better terminal contact.

Step 6: Reinstall panel, restore power, and test for proper high-limit shutdown operation and safety cutoff response.