Viessmann 7831028 Radial Fan R-134A Using it with synthetic oils

Using it with synthetic oils or higher-pressure refrigerants will lead to immediate mechanical failure

Technicians should first verify 120/240V power at the 5-pin harness and 24V signals at the 4-pin connector

a differnet Maxon mounting assembly would be required to handle the increased torque and physical footprint

Engineered for seamless integration with Trane HVAC units

Industrial Build: Engineered for long-term exposure to outdoor elements without losing structural integrity or pitch

Viessmann 7831028 Radial Fan R-134A Using it with synthetic oilsThe Viessmann 7831028 Radial Fan is a critical combustion air blower component designed for high efficiency boiler systems, specifically the Vitodens 200 and Vitodens 300 series. As an RLS154 radial fan, this unit is engineered to manage precise air fuel ratios required for condensing boiler modulation. This specific SKU is provided without electrics, meaning the housing and impeller assembly are intended for field integration with your existing