These components operate on different voltages and control sequences and are not interchangeable

This 4-inch flame sensor features a precise angle bend and a single-hole mounting design

It is not compatible with intermittent pilot or hot surface ignition modules

The 14660001 is specifically rated for gas-fired residential atmospheric boilers

Lochinvar & A.O. Smith 100327113 Thermostat These components operate on differentThe Lochinvar & A. O. Smith 100327113 Thermostat is a critical surface thermostat engineered for high accuracy temperature regulation in commercial and residential water heating systems. Effectively serving as the direct replacement for 100170479 (also identified as old part number TST1121), this component ensures seamless HVAC system compatibility across various Lochinvar DVN and DVL series models manufactured from July 1997 to the present. As a