This specific gauge is designed for Weil-McLain EG

The unit utilizes a sealed Monel bellows and a magnetic switching mechanism to ensure a leak-proof seal and precise responsiveness

this component withstands significant thermal expansion and vibration common in high-cycle heating systems

The S1-331-02981-000 is designed to align with the original pin configurations of the supersede part

How do I verify if this 10x8 scroll fits my specific air handler

Reznor 211819 Assembly 328140-751 This specific gauge is designedThe Reznor 211819 Assembly is a high performance venter wheel and disc assembly engineered specifically for industrial and commercial HVAC unit heaters. This precision balanced assembly is crucial for maintaining proper combustion airflow and ensuring the safe expulsion of exhaust gases. By facilitating consistent forced air circulation, the OEM Reznor 211819 helps prevent hazardous backdrafts while optimizing the pressure levels within the heating