Lochinvar & A.O. Smith 100109691 Thermostat 321894-709 occurring when power is applied

occurring when power is applied before the tank is completely full

and gas valve management

reducing service time in tight mechanical spaces

This factory-tested motor effectively replaces worn Fasco 11177202 models

Lochinvar & A.O. Smith 100109691 Thermostat 321894-709 occurring when power is appliedThe Lochinvar & A. O. Smith 100109691 Thermostat is a high limit LP thermostat engineered for precise temperature regulation in commercial and residential water heaters. This OEM replacement part (formerly part number 100109691) is critical for maintaining safety protocols and operational efficiency within the combustion chamber. Designed specifically for liquid propane applications, this surface mount thermostat ensures accurate thermal sensing to