✔ In Stock (Can ship in 5-7 days)

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12 Months Warranty for New Products
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Power Supply:230 VAC
Probe Range:32 to 999°F
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Reviews
- J
Joyce Kramer
Feb 05, 2026
Dwyer Switch TSF-4021-DFIt was easy to navigate, which made my shopping fun!HelpfulUnhelpful - N
Nathan Kopilec
Nov 03, 2025
Dwyer Switch TSF-4021-DFIt's been a long wait, but the compressor is finally coming to the American Legion.HelpfulUnhelpful - B
Brett Wycoff
Aug 10, 2025
Dwyer Switch TSF-4021-DFThanks for the lightning-fast shipping, I really appreciate it!HelpfulUnhelpful - D
David Stuart
Jun 04, 2024
Dwyer Switch TSF-4021-DFMuy buen servicioHelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Dwyer Switch TSF-4021-DFAll was ok! No problems whatsoever.HelpfulUnhelpful
Dwyer Switch TSF-4021-DF
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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