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Main Line Air Vents in relation to the F&T
Hello! I am the new recipient of an older 3 Story 1925 House. Just installed a brand new Natural Gas Steam Boiler. Its a 2 pipe system. It has one cross over upstream of the F&T. Directly downstream of the F&T there is a Hoffman 75 located 12" back from the 90 that goes down to the floor and into the boiler. There is a Hartford Loop. The system takes forever to heat up so I am sure that I need to add additional main line vents. My question are:
1. Is there supposed to be a F&T Installed?
2. Is a cross over necessary before the F&T?
3. If yes to the above should the main line vents be installed before or after the F&T? (right now the Hoffman 75 is installed after the F&T). My Contractor advised me to cap off the Hoffman and install a vent on the F&T 1 inch outlet opposite of the main line inlet. IS this a good idea?
thanks for any help you can give!!!