This regular gauge glass is intended for standard duty

significantly reducing labor time on the job site while maximizing the service life of your control components

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

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

locate the small holes on the underside of the sensor dial

Lochinvar & A.O. Smith 100327113 Thermostat This regular gauge glass isThe 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