Lochinvar & A.O. Smith 100208194 Flue Collar 319847-401 the unit must be installed

the unit must be installed with its diaphragm in any vertical plane

Whether you are replacing a legacy unit or completing a custom modular electronic control build

maintaining identical port sizing and 7/8" sweat connection dimensions for a drop-in fit

Its ceramic insulator construction prevents high-voltage leakage

Is the 0231K00037A a drop-in replacement

Lochinvar & A.O. Smith 100208194 Flue Collar 319847-401 the unit must be installedThe Lochinvar & A. O. Smith 100208194 Flue Collar is a critical OEM replacement part engineered for high efficiency water heating and boiler systems. This 3 inch flue collar serves as the structural interface between the appliances combustion chamber and the venting system, ensuring a gas tight seal to prevent the leakage of harmful combustion byproducts. Constructed from corrosion resistant materials, the 100208194 is designed to withstand the