Viessmann EM-M1a Extension
The Viessmann EM-M1a extension provides additional control functions for one mixed heating circuit and is designed for installation within the indoor unit or universal controller.
The extension provides connections for a separate mixer motor, heating circuit pump and an immersion temperature sensor, including applications using a low loss header. It is suitable for both heating and cooling operation.
Product details
- Extension for one mixed heating circuit
- For installation in the indoor unit or universal controller
- Connection for separate mixer motor
- Connection for heating circuit pump
- Connection for immersion temperature sensor
- Suitable for applications with a low loss header
- Suitable for heating and cooling operation
Standard delivery
Returns
Opened items with ripped or broken seals are non-returnable. Please see the 'Returns' tab for further information.
Product images are for illustration purposes and may not be an exact representation.