this combination gas valve supports significant heating capacities and is a versatile fit for most electronic ignition systems including HSI

minimizing labor time and ensuring a secure connection to the air handler control board

Professional-grade sound attenuation starts with the Carrier LM10KH017 Muffler

If the furnace is failing to close the pressure switch despite the motor running

Utica-Dunkirk 44744-002 Ignitor 318973-401 this combination gas valve supportsWhen you're servicing high efficiency systems like the Utica Dunkirk 80 90 3 series, reliable ignition is the baseline for performance. The Utica Dunkirk 44744 002 Ignitor is a specific 120V replacement part engineered as an OEM spec hot surface ignitor (HSI). This mini hot surface ignitor is critical for maintaining the proper 17 second to 34 second ignition timing sequences required by modern gas control valves. Its robust ceramic mounting block and