Professional Grade Reliability: Engineered as a durable alternative to battery-only operation or "power-stealing" thermostat configurations

It serves as the direct technical successor to the obsolete ICP 1172829 part number

This switch is factory-sealed to maintain specific safety tolerances for high-altitude combustion

ensuring a perfect fit and electrical alignment

Viessmann 7133088 Oil Filter Insert R-134A Professional Grade Reliability: Engineered asThe 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