Product Description
The AO SMITH 100074412 High Limit Switch is a replacement part. This is a genuine factory OEM repair part that is guaranteed to fit and function properly. It ships in original factory packaging and is not an aftermarket or generic part.
Replacement Part
Genuine Factory OEM repair part
Guaranteed to fit and function properly
Product Highlights
This high limit switch is designed for use with 240 and 340 gas tankless heaters and is compatible with multiple models.
Product Information
Standard Information
Brand : AO SMITH
Manufacturer Part Number : 100074412
Technical Specifications
Compatible with
LTI-240H-P, T-H3J-DV-N, T-H3J-DV-P, T-H3J-OS-N, T-H3J-OS-P, T-H3M-DV-N, T-H3M-DV-P, T-H3M-OS-N, T-H3M-OS-P, T-H3S-DV-N, T-H3S-DV-P, T-H3S-OS-N, T-H3S-OS-P, T-K2-LP, T-K2-NG, T-K4-IN-LP, T-K4-IN-NG, T-K4-OS-LP, T-K4-OS-NG, T-K4U-IN-N, T-K4U-OS-N, T-KD20-LP, T-KD20-NG, T-KJR2-IN-LP, T-KJR2-IN-NG, T-KJR2-OS-LP, T-KJR2-OS-NG, T-KJR2U-IN-N, T-KJR2U-OS-N, T-M1-LP, T-M1-NG, T-M199-LP, T-M199-NG, TK-110C-NI, TK-110U-E, TK-110U-I, TK-310C-NI, TK-310U-E, TK-310U-I
Used With
T-H3M-DV (LP), TK-110U-E (NG/LP), T-H3J-OS (LP), T-KD20 (NG), T-H3J-DV (NG), TK-110C-NI (NG), T-K4U-IN (NG), T-KJR2-OS (LP), TK-310U-E (NG/LP), T-H3M-DV (NG), T-KJR2-IN (LP), T-M1 (LP), T-H3S-OS (NG), T-K4-IN (LP), T-H3J-DV (LP), T-K4-OS (NG), T-M199 (LP), T-M199 (NG), T-K4-IN (NG), TK-110U-I (NG/LP), T-K4-OS (LP), T-H3M-OS (LP), T-H3S-DV (NG), TK-310U-I (NG/LP), T-H3J-OS (NG), T-H3S-OS (LP), TK-310C-NI (NG), T-M1 (NG), T-H3M-OS (NG), T-KJR2U-IN (NG), T-KJR2-IN (NG), T-K2 (NG), T-K2 (LP), T-KJR2U-OS (NG), T-KJR2-OS (NG), T-H3S-DV (LP), T-K4U-OS (NG), T-KD20 (LP)
Application
Replacement Part
Product Type
High Limit Switch
Additional Part Number Information
Equivalent Part Number: 100074412
TanklessParts.com Part Number
559444
Suitable For Use With
240 and 340 Gas Tankless Heaters