✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
Power Supply:230 VAC
Probe Range:32 to 999°F
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Reviews
- E
Ernest Boudreaux
Jan 13, 2026
Dwyer Switch TSF-4021-MDFI truly appreciate it again!HelpfulUnhelpful - M
Miles Mcdonald
Aug 08, 2025
Dwyer Switch TSF-4021-MDFvery good service. i had to change the ship to address after i placed the order and had no problems!HelpfulUnhelpful - R
Richard Jordan
Sep 18, 2023
Dwyer Switch TSF-4021-MDFExactly what I ordered, and it arrived promptly!HelpfulUnhelpful - J
Jack Moody
Jul 29, 2023
Dwyer Switch TSF-4021-MDFEasy ordering, got the right product quickly.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Dwyer Switch TSF-4021-MDFAll was ok! No problems whatsoever.HelpfulUnhelpful
Dwyer Switch TSF-4021-MDF
✔ 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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