Viessmann 7133088 Oil Filter Insert 320720-756 it is best professional practice

it is best professional practice to mount this unit in the original factory orientation to ensure the internal spring and gravity-assisted contacts operate within their calibrated tolerances

While the 221526 is factory-calibrated for Natural Gas

this 24V damper actuator delivers 20 lb-in (2 Nm) of torque

abnormally high superheat at the evaporator

ensuring the exact manifold pressure and BTU input required for optimal burner performance

Viessmann 7133088 Oil Filter Insert 320720-756 it is best professional practiceThe Viessmann 7133088 Oil Filter Insert is a critical OEM replacement part engineered for high performance fuel filtration in residential and commercial heating systems. Designed specifically for Viessmann Chassis oil burners and Vitoflame 100 VEM 18 40 series, this cartridge ensures that the oil burner nozzle receives a steady supply of contaminant free fuel. By trapping microscopic sediment and sludge, the 7133088 oil filter prevents irregular flame