this model is the official replacement for the TE-6321P-1 and fits the same mounting footprint and wiring specifications

Misalignment can cause flame rollout or improper heating of the flame sensor

Reliable Signaling: The 1 N/O (Normally Open) contact configuration provides a clean circuit closure for system feedback and secondary load control

it maintains factory-specified tolerances for manifold alignment and orifice positioning

What is the primary function of the 1 N/O and 1 N/C contacts

Lochinvar & A.O. Smith 100208514 Relay Els PW 17895 this model is the officialThe Lochinvar & A. O. Smith 100208514 Relay is a critical 24V electromagnetic control designed for precise low voltage circuit switching in commercial and residential hydronic systems. As the direct replacement for RLY2903, this OEM component ensures seamless HVACR system compatibility when interfacing between thermostat controllers and high load mechanical parts. This 24VAC relay is frequently utilized in boiler control boards and water heater wiring