The Reznor 93389 is a genuine OEM 8-3/4 inch carryover tubing specifically engineered for natural gas and propane furnace ignition systems

it ensures the system defaults to a safe position during outages

ensuring a precise match for system impedance and response times

This assembly is specifically designed for the left side of the unit as viewed from the front access panel

providing the structural integrity required for safe

Viessmann 7822897 Sensor R-22 The Reznor 93389 is aThe Viessmann 7822897 Sensor is a critical differential pressure sensor designed for precise monitoring and control within Vitodens series condensing boilers. As a technician, you understand that maintaining accurate pressure transducer readings is vital for the combustion control system to modulate fan speed and gas flow effectively. This OEM Viessmann replacement part ensures the boiler operates within safe pneumatic parameters, preventing fault