V100 Boiler Panel 2 Htg 1 DHW

This panel is designed to work with Viessmann Vitodens 100-W boilers. The panel primary piping matches up to the Vitodens boiler system supply and return.

The panel has four Grundfos UPS15-58 pumps. There is a primary pump, a DHW pump and two heating pumps. The primary pump is controlled by the boiler. The DHW pump is controlled by an aquastat (third party) wired to the terminal strip on the panel. Each heating pump is controlled by a thermostat (supplied separately) wired to the terminal strip on the panel. The water temperature is controlled by the boiler.