#Plumber NEW BOILER. Called out to service a Gas Boiler that we installed. Builder had moved the Boiler. New Boiler installed onto an s plan with underfloor heating. No bypass, Not wired correctly. Nest thermostat. Flue not sealed. PRV not connected. Very high standard Gas Boiler Installation. https://cchleeds.co.uk/ New Boiler Leeds. Ideal logic combi boiler installation Leeds.