The 1/2" NPT external fitting allows the bulb to be secured into a tank or pipe via a well or packing nut for a pressure-tight seal

but both part numbers refer to the exact same 1/4" barb vent fitting

covering the majority of air conditioning and refrigeration requirements

ensuring a secure mechanical and electrical fit

Built to handle the rigorous demands of rooftop units and condensing systems

Heil Quaker ICP 1190028 Housing Kit 326010-701 The 1/2" NPT external fittingThe Heil Quaker ICP 1190028 Housing Kit is a critical structural component engineered for high efficiency condensing gas furnaces and HVAC blower assemblies. This replacement kit is designed to restore factory spec airflow and pressure stabilization within the induced draft motor assembly or blower housing, ensuring the combustion process remains sealed and efficient. Manufactured to exact OEM specifications, the 1190028 addresses common failure