On the blow molder, heating is where bottle quality gets made—or lost. When a heater bulb on your Krones Ergomodul 1 starts to dim or quits outright, preform heating drifts, and you start seeing haze, uneven wall thickness, and a pile of rejects. Downtime piles up fast. We built this Ergomodul 1 heater bulb spare to keep the heating tunnel stable and keep your cycle times where they should be. What matters under the hood This Ergomodul 1 spare runs short-wave infrared halogen emitters inside a quartz tube, matched to the machine’s power curve and spectral requirements. It’s dimensioned to the same footprint and mounting as the original, with an R7s connector and the correct length so it drops straight into the existing socket—no rewiring. We hold wattage and voltage tolerances tight so the heating profile stays repeatable, which is exactly what you need when you’re heating PET preforms for stretch blow molding. Why it plays in your Ergomodul 1 In that machine, consistent preform heating means fewer stretch breaks, stronger top-load performance, and less shift-to-shift variability. This spare restores the intended heat density in each heating zone, so warm-up is quicker, temperature swings shrink, and output settles down. Energy stays in line because the emitter delivers the right output without overshoot. The payoff is fewer emergency changeouts, less scrap, and maintenance windows you can actually plan. A few shop-floor reminders Installation is straightforward, but the lamp is sensitive to oil and impact. Handle it by the ceramic base only, wipe the quartz with isopropyl alcohol, and seat it square in the holder. Double-check your machine’s voltage and connector type before ordering—mismatched voltage will shorten service life. For best lifespan, run the heater within the specified power range and keep the reflector clean and aligned.