Viessmann 7831028 Radial Fan 321142-301 Connect the motor leads to

Connect the motor leads to the corresponding M1 and M6 terminals on your zone control board

Can this timer handle 120V and 240V loads simultaneously

As a technical auto limit switch

High Reliability: The 1k ohm nickel element is known for its stability and long-term performance in various environmental conditions

High-Temperature Durability: Fabricated from industrial-grade steel to resist warping and oxidation under extreme furnace operating conditions

Viessmann 7831028 Radial Fan 321142-301 Connect the motor leads toThe 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