Lochinvar & A.O. Smith 100208306 Indicator Light and 3005 depending on the

and 3005 depending on the specific union configuration

Cross-referencing your furnace model or checking for part HQ1004303TD will confirm compatibility

Can this relay replace a 2-pole SPDT relay

No wiring modifications are required for the swap

5-second safety cutout prevents motor winding damage during locked rotor conditions

Lochinvar & A.O. Smith 100208306 Indicator Light and 3005 depending on theThe Lochinvar & A. O. Smith 100208306 Indicator Light is a critical diagnostic component for maintaining the operational integrity of high efficiency boilers and water heaters. Operating at 28V (and compatible with 24V control circuits), this white indicator light serves as a primary visual interface for monitoring system status and identifying lockout conditions or power faults. This part is a direct factory replacement for MSC2449 and is engineered