Key Benefits Broad Compatibility: Engineered for use in Ultra Gas Series 3

High-temperature rating specifically engineered to handle low-pressure steam and high-flow hydronic requirements

System Protection: Integrated 3-amp replacable fuse guards the 24V furnace control circuit and transformer from electrical faults

this SPST furnace switch acts as a primary safety mechanism to prevent hazardous conditions by interrupting the burner circuit if heat exceeds calibrated limits

OEM Reliability: Genuine 20030204 Goodman part ensures fitment and electrical compatibility without field modification

Lochinvar & A.O. Smith 100208490 Relay 319848-301 Key Benefits Broad Compatibility: EngineeredThe Lochinvar & A. O. Smith 100208490 Relay is a heavy duty, 10AMP DPDT relay designed for high reliability switching in commercial and residential HVACR systems. Engineering to handle demanding electrical loads, this double pole double throw relay provides precise control over dual circuits, making it a critical component for sequencing blowers, burners, or pumps. This genuine OEM replacement part is identical to industry part numbers RLY2051 and