HVAC

****DAVE IS ASSIGNED TO THIS**** Install Navien Model NHB-110 High efficiency natural gas wall mounted boiler The natural gas pipe is black steel 1.25" in diameter and comes our from my basement wall approximately 3 feet (I believe this to be original as it also connects to the water tank). Then a black rubber coated flexible steel pipe comes off of that to connect to the Navien box. The rubber coated steel pipe is also 1.25" in diameter.. CA fee included