The physical industrial cartridge dimensions ensure compatibility with standard RK5 fuse blocks and disconnect switches

this primary condensate drain pan is built to withstand the rigorous thermal cycling of Goodman HVAC systems without warping or cracking

Durable Construction: High-grade materials resist the high-temperature environment of the combustion compartment without warping or losing pitch

secured away from heat-generating components like defrost heaters

this unit supports modern Intermittent Pilot Ignition (IPI) sequences

Sterling J38R04578-001 Pilot Assembly 30067439-890 The physical industrial cartridge dimensionsThe Sterling J38R04578 001 Pilot Assembly is a critical Natural Gas (NG) ignition component designed for right hand installation in high efficiency unit heaters. Engineered for intermittent pilot ignition systems, this assembly features a precision 0. 18 mm orifice and a rugged spark ignition electrode to ensure dependable flame rectification. This OEM Sterling replacement part is field proven for HVAC unit heater repair, maintaining consistent pilot