Lochinvar & A.O. Smith 100208633 Kit 319847-401 Its universal mounting bracket and

Its universal mounting bracket and standardized footprint facilitate a straightforward drop-in replacement for existing DP contactors from brands like Square D

this unit is designed for legacy equipment utilizing R-22 refrigerant

This dual-circuit capability is critical for synchronized activation of ignition precursors

Functioning as a 2 to 5 wire adapter

it is not compatible with standard 230V single-phase residential power

Lochinvar & A.O. Smith 100208633 Kit 319847-401 Its universal mounting bracket andMaintain consistent ignition performance in high efficiency heating systems with the Lochinvar & A. O. Smith 100208633 Electrode Spark Harness Kit. As a critical component for boiler ignition systems, this OEM 100208633 harness ensures a reliable millivolt signal transfer from the control board to the spark electrode. It is engineered to withstand the thermal stresses common in Lochinvar FBL and FBN series boilers, including models FBL0751 through