Search found 1 match

by sznichol
Mon Oct 17, 2016 9:13 pm
Forum: OpenTherm Setup & Help
Topic: Install advice required for new evohome with OT bridge
Replies: 1
Views: 570

Install advice required for new evohome with OT bridge

Hi I have a Vaillant Ecotec Plus 637 (system boiler) in an 'S plan' configuration with 3 zone valves (DWH, CH + single room Underfloor with mixer valve). It is currently controlled by a Vaillant controller with weather compensation, which I really do not like and some external rooms also do not get ...