Lochinvar & A.O. Smith 100109690 Thermostat 326010-701 whereas the Burnham 8116322 is

whereas the Burnham 8116322 is an electrical actuator

It effectively compensates for frequency shifts between 35Hz and 75Hz

Technical Precision: Maintains steady-state current and specific ohm ratings required to prevent control board lockout

maintaining performance in harsh outdoor environments

Engineering specifications reveal a robust hermetic design with brazed stub tube connections—typically 1-1/8 inch suction and 5/8 inch discharge—and a 1750 RPM operating speed

Lochinvar & A.O. Smith 100109690 Thermostat 326010-701 whereas the Burnham 8116322 isThe Lochinvar & A. O. Smith 100109690 Natural Gas Thermostat is a precision engineered OEM replacement part designed for high performance residential and commercial gas fired water heaters and boilers. This natural gas thermostat kit, also identified under part numbers 9004102205 and 100109690, is built to restore accurate thermal regulation and ensure the safe operation of your heating system. Utilizing advanced sensing technology, this replacement