It’s possible to leave the oil (or propane, natural gas, wood) boiler in place and tie your new pellet boiler in with it. You will most likely need a separate flue, particularly if there’s a chance that both boiler may run at the same time. That is the case if, for example, a […]
ASME stands for The American Society of Mechanical Engineers. This organization has standards for design, materials, construction, and testing of many different things including the pressure vessels of boilers.
Some states, including Massachusetts, Michigan, Oregon and others require ASME certification for any boiler that’s installed pressurized. Other states require ASME only for commercial […]